# Docs - Quick Start: Learn how to use SupplementDEX - **Introduction** - [Quick Start](/docs): Getting started with SupplementDEX - [What is SupplementDEX](/docs/what-is-supplementdex): Introducing SupplementDEX, a supplement database that anyone can use. - [Comparisons](/docs/comparisons): How is SupplementDEX different from other existing supplement websites? - [How to read evidence](/docs/how-to-read): How SupplementDEX rates and presents research - **Use Cases** - [Dietitians](/docs/dietitians): How dietitians use SupplementDEX for evidence-based supplement advice - [Physicians](/docs/physicians): How physicians use SupplementDEX for rapid, study-backed supplement decisions - [Patient & Consumer](/docs/patient-and-consumer): How patients and consumers use SupplementDEX to decide what is worth buying - Supplements: Ingredient database - **Introduction** - [Supplements](/docs/supplements): Clinical ingredient library — 2600+ evidence reviews synthesised for point-of-care decisions - [DEX Score](/docs/supplements/dex-score): The DEX score combines effectiveness and evidence evaluation scores to represent supplement value and performance data. It's how SupplementDEX combines Effect Size, Evidence, and Trust into a single 1–5 score. - **Most Popular Supplements** - [Creatine](/docs/supplements/c/creatine) - [Vitamin D](/docs/supplements/v/vitamin-d) - [Fish Oil](/docs/supplements/f/fish-oil) - [Melatonin](/docs/supplements/m/melatonin) - [Caffeine](/docs/supplements/c/caffeine) - [Magnesium](/docs/supplements/m/magnesium) - **Supplements A-Z** - [View All Supplements](/docs/supplements/view-all): Full A–Z clinical ingredient library - A - [Acai](/docs/supplements/a/acai): Acai is a South American palm berry rich in antioxidants. Clinical evidence for specific health benefits remains limited. - [Acetyl-L-Carnitine](/docs/supplements/a/acetyl-l-carnitine): Acetyl-L-carnitine (ALCAR) supports mitochondrial fatty-acid metabolism. Possible benefits for depression and neuropathy are strongest in older adults. - [Algal Oil](/docs/supplements/a/algal-oil): Algal oil provides vegan DHA and EPA. Strongest signal is preterm birth risk reduction in people with low DHA status. - [Aloe](/docs/supplements/a/aloe): Aloe is used for skin and digestive support. Clinical benefits vary widely by preparation and condition. - [Alpha-GPC](/docs/supplements/a/alpha-gpc): Alpha-GPC is a choline donor used for cognition and performance. Evidence remains limited for most outcomes. - [Alpha-Linolenic Acid](/docs/supplements/a/alpha-linolenic-acid): Alpha-linolenic acid (ALA) is a plant omega-3 fat. Conversion to EPA/DHA is limited and clinical effects vary by outcome. - [Alpha-Lipoic Acid](/docs/supplements/a/alpha-lipoic-acid): Alpha-lipoic acid is an antioxidant studied for neuropathy and metabolic outcomes. Evidence strength differs by condition. - [American Ginseng](/docs/supplements/a/american-ginseng): American ginseng is used for fatigue, cognition, and glycemic support. Evidence is mixed across conditions. - [American Pawpaw](/docs/supplements/a/american-pawpaw): American pawpaw has very limited clinical evidence as a supplement. - [Apigenin](/docs/supplements/a/apigenin): Apigenin is a flavonoid studied for sleep, anxiety, and related outcomes. Clinical evidence is still early. - [Apple Cider Vinegar](/docs/supplements/a/apple-cider-vinegar): Apple cider vinegar is commonly used for glycemic and weight outcomes. Evidence is mixed and often modest. - [Arnica](/docs/supplements/a/arnica): Arnica is used topically for bruises and soreness. Oral use is more limited and caution is warranted. - [Arrowroot](/docs/supplements/a/arrowroot): Arrowroot has very limited clinical evidence as a supplement. - [Artichoke](/docs/supplements/a/artichoke): Artichoke extracts are studied for lipids and digestive symptoms. Evidence quality varies by outcome. - [Ashwagandha](/docs/supplements/a/ashwagandha): Ashwagandha is studied for stress, sleep, and performance outcomes. Benefits appear strongest for stress-related measures. - [Asparagus](/docs/supplements/a/asparagus): Asparagus extracts have limited clinical evidence for supplemental use. - [Astaxanthin](/docs/supplements/a/astaxanthin): Astaxanthin is a carotenoid antioxidant studied for skin, eye, and exercise outcomes. Evidence varies by condition. - [Astragalus](/docs/supplements/a/astragalus): Astragalus is a traditional herb studied for immune and fatigue-related outcomes. Clinical evidence is mixed. - [Avocado](/docs/supplements/a/avocado): Avocado and avocado extracts are studied for metabolic and skin outcomes. Evidence depends on the preparation and endpoint. - [Ayahuasca](/docs/supplements/a/ayahuasca): Ayahuasca is a psychoactive brew with emerging clinical research. It is not a conventional dietary supplement and carries significant risks. - B - [Bacopa](/docs/supplements/b/bacopa): Bacopa is studied for memory and cognitive performance. Effects are typically modest and build over weeks. - [Branched Chain Amino Acids (BCAAs)](/docs/supplements/b/bcaas): BCAAs are used for muscle recovery and fatigue. Benefits are context-dependent and often smaller than whole-protein intake. - [Berberine](/docs/supplements/b/berberine): Berberine is studied for glycemic and metabolic outcomes. Evidence is promising for some markers but not universal. - [Beta-Alanine](/docs/supplements/b/beta-alanine): Beta-alanine raises muscle carnosine and can improve high-intensity performance lasting about 1–4 minutes. - [Beta-Glucan](/docs/supplements/b/beta-glucan): Beta-glucans are fiber compounds studied for cholesterol, glucose, and immune outcomes depending on source and dose. - [Bilberry](/docs/supplements/b/bilberry): Bilberry is used for eye and vascular outcomes. Clinical evidence varies by condition and extract quality. - [Biotin](/docs/supplements/b/biotin): Biotin is an essential B-vitamin. Supplemental benefit is clearest when correcting deficiency, not for general hair/skin claims. - [Black Tea](/docs/supplements/b/black-tea): Black tea and its catechins/theaflavins are studied for cardiovascular and metabolic markers. Effects are often modest. - [Blackberry](/docs/supplements/b/blackberry): Blackberries are nutrient-dense fruits. High-quality human evidence for supplemental blackberry extracts is currently limited. - [Blueberry](/docs/supplements/b/blueberry): Blueberries and blueberry extracts are studied for cognition and metabolic markers. Effects are often modest and dose-dependent. - [Borage](/docs/supplements/b/borage): Borage oil is a source of GLA used for skin and inflammatory outcomes. Evidence varies by condition. - [Boron](/docs/supplements/b/boron): Boron is a trace mineral studied for bone and hormone-related outcomes. Evidence remains limited for many claims. - [Boswellia](/docs/supplements/b/boswellia): Boswellia (frankincense) extracts are studied for joint and inflammatory outcomes. Results depend on extract standardization. - [Brewer's Yeast](/docs/supplements/b/brewers-yeast): Brewer's yeast provides B-vitamins and other nutrients. Clinical evidence for specific therapeutic uses is limited. - C - [Caffeine](/docs/supplements/c/caffeine): Caffeine is a stimulant that reliably improves alertness and some aspects of exercise performance. Effects and side effects are dose-dependent. - [Calcium](/docs/supplements/c/calcium): Calcium is essential for bone health. Supplemental benefit depends strongly on dietary intake and the outcome studied. - [Casein Protein](/docs/supplements/c/casein-protein): Casein is a slow-digesting dairy protein used for muscle protein synthesis and satiety, especially overnight. - [Cassia Cinnamon](/docs/supplements/c/cassia-cinnamon): Cassia cinnamon is studied for glycemic outcomes. Coumarin content makes long-term high-dose use a safety consideration. - [Cat's Claw](/docs/supplements/c/cats-claw): Cat's claw is a traditional Amazonian vine. High-quality human evidence for specific health outcomes is currently limited. - [Ceylon Cinnamon](/docs/supplements/c/ceylon-cinnamon): Ceylon cinnamon is the 'true' cinnamon variety studied for metabolic outcomes. Evidence remains limited compared with cassia. - [Chlorophyll](/docs/supplements/c/chlorophyll): Chlorophyll and chlorophyllin are used for odor and skin-related claims. Robust clinical evidence is limited. - [Choline](/docs/supplements/c/choline): Choline is essential for brain, membrane, and muscle function. Supplemental benefits for cognition and performance remain limited or unclear. - [Chondroitin Sulfate](/docs/supplements/c/chondroitin-sulfate): Chondroitin sulfate is used for osteoarthritis symptoms. Effect sizes are often modest and product quality varies. - [Chromium](/docs/supplements/c/chromium): Chromium is a trace mineral studied for glycemic control. Clinical effects are mixed and often small. - [Cissus Quadrangularis](/docs/supplements/c/cissus-quadrangularis): Cissus quadrangularis is traditionally used for bone and joint support. Modern trial evidence is still limited. - [Citicoline](/docs/supplements/c/citicoline): Citicoline (CDP-choline) is a choline donor studied for cognition and neurological outcomes. - [Cocoa](/docs/supplements/c/cocoa): Cocoa flavanols are studied for blood pressure, cognition, and vascular function. Effects depend on flavanol dose. - [Coconut Oil](/docs/supplements/c/coconut-oil): Coconut oil is high in saturated fat and MCTs. Evidence for unique metabolic benefits over other fats is mixed. - [Coenzyme Q10](/docs/supplements/c/coenzyme-q10): Coenzyme Q10 is involved in mitochondrial energy production and is studied for heart failure, statin symptoms, and migraine. - [Collagen](/docs/supplements/c/collagen): Collagen peptides are studied for skin, joints, and connective tissue. Benefits appear modest and outcome-specific. - [Creatine](/docs/supplements/c/creatine): Creatine works but comes with a risk of common side effects. - [Curcumin](/docs/supplements/c/curcumin): Curcumin is the main bioactive in turmeric, studied for inflammation and joint outcomes. Absorption depends heavily on formulation. - D - [Devil's Claw](/docs/supplements/d/devils-claw): Devil's claw is traditionally used for joint pain and osteoarthritis symptoms. Evidence quality varies by extract and outcome. - E - [Echinacea](/docs/supplements/e/echinacea): Echinacea is commonly used for colds and immune support. Evidence is mixed and depends on species, part used, and timing. - [Elderberry](/docs/supplements/e/elderberry): Elderberry is used for cold and influenza symptoms. Clinical evidence is limited and product quality varies. - [Eleuthero](/docs/supplements/e/eleuthero): Eleuthero (Siberian ginseng) is used as an adaptogen for fatigue and stress. Evidence quality varies by outcome. - [Eucalyptus](/docs/supplements/e/eucalyptus): Eucalyptus is used for respiratory symptoms and topical relief. Evidence depends on preparation and route. - [Evening Primrose Oil](/docs/supplements/e/evening-primrose-oil): Evening primrose oil is a source of GLA studied for skin and women's health outcomes. Effects are often modest. - F - [Fadogia Agrestis](/docs/supplements/f/fadogia-agrestis): Fadogia agrestis is marketed for testosterone and performance. High-quality human evidence is currently limited. - [Fish Oil](/docs/supplements/f/fish-oil): Fish oil provides EPA and DHA. Strongest evidence is for triglycerides and some cardiovascular outcomes, with mixed results elsewhere. - [Flaxseed Oil](/docs/supplements/f/flaxseed-oil): Flaxseed oil is rich in ALA omega-3. Conversion to EPA/DHA is limited and clinical effects vary by outcome. - [Flaxseed](/docs/supplements/f/flaxseed): Flaxseed provides fiber, lignans, and ALA. Whole/ground seed effects can differ from oil alone. - [Fo-Ti](/docs/supplements/f/fo-ti): Fo-ti (He Shou Wu) is a traditional Chinese herb. Clinical evidence for specific outcomes is limited and liver safety warrants caution. - [Fulvic Acid](/docs/supplements/f/fulvic-acid): Fulvic acid is a humic substance sold for mineral and inflammation claims. Robust human evidence remains limited. - G - [GABA](/docs/supplements/g/gaba): GABA is an inhibitory neurotransmitter sold for calm and sleep. Oral supplements have uncertain brain uptake and mixed evidence. - [Gamma-Linolenic Acid](/docs/supplements/g/gamma-linolenic-acid): GLA is an omega-6 fatty acid from oils like borage and evening primrose. Evidence varies by condition and dose. - [Gamma-Oryzanol](/docs/supplements/g/gamma-oryzanol): Gamma-oryzanol is a rice bran compound used for lipids and menopause symptoms. Clinical evidence is limited. - [Garcinia Cambogia](/docs/supplements/g/garcinia-cambogia): Garcinia cambogia (HCA) is marketed for weight loss. High-quality evidence for meaningful fat loss is weak. - [Garlic](/docs/supplements/g/garlic): Garlic and its sulfur compounds are studied for lipids, blood pressure, and immune outcomes. Effects depend on preparation and dose. - [Ginger](/docs/supplements/g/ginger): Ginger is well studied for nausea and some inflammatory outcomes. Evidence strength varies by condition. - [Ginkgo](/docs/supplements/g/ginkgo): Ginkgo biloba is studied for cognition and circulation. Benefits are often small and product-dependent. - [Glucosamine](/docs/supplements/g/glucosamine): Glucosamine is widely used for osteoarthritis. Effect sizes are often modest and depend on salt form and study quality. - [Glutamine](/docs/supplements/g/glutamine): Glutamine is a conditionally essential amino acid studied for gut, immune, and recovery outcomes. Benefits are context-specific. - [Glycine](/docs/supplements/g/glycine): Glycine is an amino acid studied for sleep quality and metabolic outcomes. Evidence is promising but still developing. - [Green Tea](/docs/supplements/g/green-tea): Green tea and its catechins (EGCG) are studied for metabolic, cardiovascular, and cognitive outcomes. Effects are often modest. - [Guarana](/docs/supplements/g/guarana): Guarana is a caffeine-containing seed used for alertness and energy. Effects largely track its caffeine content. - H - [Hawthorn](/docs/supplements/h/hawthorn): Hawthorn is traditionally used for heart-related symptoms. Clinical evidence is mixed and depends on extract and outcome. - [Horny Goat Weed](/docs/supplements/h/horny-goat-weed): Horny goat weed (Epimedium) is marketed for sexual function. High-quality human evidence remains limited. - I - [Inositol](/docs/supplements/i/inositol): Inositol is studied for PCOS, metabolic, and mood-related outcomes. Effects depend on form (myo-/D-chiro) and dose. - [Inulin](/docs/supplements/i/inulin): Inulin is a prebiotic fiber studied for gut, metabolic, and mineral-absorption outcomes. GI side effects are common at higher doses. - [Iodine](/docs/supplements/i/iodine): Iodine is essential for thyroid hormone production. Supplementation helps most when intake is inadequate and excess can be harmful. - [IP-6](/docs/supplements/i/ip-6): IP-6 (inositol hexaphosphate/phytic acid) is researched mainly in early cancer-related contexts. Human evidence remains limited. - [Iron](/docs/supplements/i/iron): Iron is essential for oxygen transport. Supplements correct deficiency but excess iron can cause harm. - [Ivy Gourd](/docs/supplements/i/ivy-gourd): Ivy gourd is traditionally used for blood sugar support. Clinical evidence is limited and mixed. - J - [Jasmine](/docs/supplements/j/jasmine): Jasmine is used aromatically and in teas. High-quality clinical evidence for supplemental use is lacking. - [Jiaogulan](/docs/supplements/j/jiaogulan): Jiaogulan (Gynostemma) is traditionally used for metabolic and cardiovascular support. Clinical evidence remains limited. - [Job's Tears](/docs/supplements/j/jobs-tears): Job's tears (Coix seed) is used in traditional diets and herbal practice. Clinical evidence for specific health outcomes is limited. - [Jojoba](/docs/supplements/j/jojoba): Jojoba oil is mainly used topically for skin. Oral supplemental evidence is limited. - K - [Kava](/docs/supplements/k/kava): Kava is studied for anxiety relief. Liver toxicity risk means quality and dosing matter. - [Kefir](/docs/supplements/k/kefir): Kefir is a fermented dairy (or water) drink studied for gut and metabolic outcomes. Effects vary by strain and product. - [Kohlrabi](/docs/supplements/k/kohlrabi): Kohlrabi is a cruciferous vegetable. Clinical evidence for supplemental use is lacking. - [Kombucha](/docs/supplements/k/kombucha): Kombucha is a fermented tea drink with limited clinical evidence for specific health outcomes. - [Kratom](/docs/supplements/k/kratom): Kratom has stimulant and opioid-like effects. Safety concerns and limited clinical evidence warrant caution. - [Kudzu](/docs/supplements/k/kudzu): Kudzu is traditionally used for alcohol-related and metabolic outcomes. Clinical evidence is mixed and limited. - L - [L-Carnitine](/docs/supplements/l/l-carnitine): L-carnitine supports fatty-acid transport into mitochondria. Benefits are clearest when levels are low or demand is high. - [L-Citrulline](/docs/supplements/l/l-citrulline): L-citrulline is studied for nitric-oxide support, blood flow, and exercise performance. Effects vary by dose and context. - [L-Cysteine](/docs/supplements/l/l-cysteine): L-cysteine is a sulfur amino acid used as a glutathione precursor. Clinical evidence for supplementation is limited. - [L-Tryptophan](/docs/supplements/l/l-tryptophan): L-tryptophan is a serotonin precursor studied for sleep and mood. Dosing and safety context matter. - [Lactase](/docs/supplements/l/lactase): Lactase enzyme supplements help digest lactose and reduce symptoms of lactose intolerance when taken with dairy. - [Lecithin](/docs/supplements/l/lecithin): Lecithin provides phospholipids used for liver and lipid-related outcomes. Evidence quality varies by form and endpoint. - [Lion's Mane Mushroom](/docs/supplements/l/lions-mane): Lion's mane is studied for cognitive and nerve-related outcomes. Human evidence is still early and mixed. - [Lutein](/docs/supplements/l/lutein): Lutein is a carotenoid concentrated in the retina and studied for eye and cognitive outcomes, often with zeaxanthin. - [Lycopene](/docs/supplements/l/lycopene): Lycopene is a tomato carotenoid studied for prostate, cardiovascular, and antioxidant-related outcomes. - [Lysine](/docs/supplements/l/lysine): Lysine is an essential amino acid studied mainly for cold sores and related outcomes. Evidence is mixed. - M - [Maca](/docs/supplements/m/maca): Maca is a Peruvian root studied for energy, libido, and hormonal outcomes. Evidence quality varies by preparation. - [Magnesium](/docs/supplements/m/magnesium): Magnesium is essential for hundreds of enzymes. Supplements help most when intake is low, with form affecting GI tolerance. - [Maitake Mushroom](/docs/supplements/m/maitake-mushroom): Maitake is studied for immune and metabolic outcomes. Human evidence remains limited. - [Melatonin](/docs/supplements/m/melatonin): Melatonin is a sleep-timing hormone used for jet lag and insomnia. Dose and timing matter more than many expect. - [Methionine](/docs/supplements/m/methionine): Methionine is an essential sulfur amino acid. Supplemental evidence for specific conditions is limited. - [Milk Thistle](/docs/supplements/m/milk-thistle): Milk thistle (silymarin) is studied mainly for liver-related outcomes. Results are mixed across conditions. - [Molybdenum](/docs/supplements/m/molybdenum): Molybdenum is a trace mineral cofactor. Deficiency is rare and clinical supplementation evidence is limited. - [Multivitamin](/docs/supplements/m/multivitamin): Multivitamins fill dietary gaps for some people. Effects on hard outcomes are generally modest and context-dependent. - N - [N-Acetyl Cysteine (NAC)](/docs/supplements/n/n-acetyl-cysteine): NAC is a glutathione precursor studied for respiratory, psychiatric, and antioxidant-related outcomes. - [NADH](/docs/supplements/n/nadh): NADH is studied for energy and cognitive outcomes. Human evidence remains limited and mixed. - [Nattokinase](/docs/supplements/n/nattokinase): Nattokinase is a fermented-soy enzyme studied for cardiovascular and clot-related markers. Bleeding risk is a concern. - [Nicotinamide Riboside](/docs/supplements/n/nicotinamide-riboside): Nicotinamide riboside is an NAD+ precursor studied for metabolic and aging-related biomarkers. Clinical outcome data are still early. - [Nutmeg](/docs/supplements/n/nutmeg): Nutmeg is mainly a culinary spice. Clinical evidence for supplemental use is very limited, and high doses can be toxic. - O - [Oats](/docs/supplements/o/oats): Oats and oat beta-glucan are studied for cholesterol, glycemic, and gut-related outcomes. - [Oleic Acid](/docs/supplements/o/oleic-acid): Oleic acid is the main monounsaturated fat in olive oil. Evidence often comes from dietary fat replacement rather than isolated supplements. - [Olive Oil](/docs/supplements/o/olive-oil): Olive oil, especially extra-virgin, is studied for cardiovascular and metabolic outcomes as part of Mediterranean-pattern diets. - P - [Panax Ginseng](/docs/supplements/p/panax-ginseng): Panax (Asian) ginseng is studied for cognition, fatigue, and metabolic outcomes. Effects depend on extract standardization and dose. - [Phosphatidylcholine](/docs/supplements/p/phosphatidylcholine): Phosphatidylcholine is a major phospholipid studied for liver and cognitive outcomes. Lecithin is a common food source. - [Phosphatidylserine](/docs/supplements/p/phosphatidylserine): Phosphatidylserine is a membrane phospholipid studied mainly for cognition and stress-related outcomes. - [Potassium](/docs/supplements/p/potassium): Potassium is an essential electrolyte for blood pressure and muscle function. Supplements help most when dietary intake is low. - [Probiotics](/docs/supplements/p/probiotics): Probiotics are live microbes studied for gut and immune outcomes. Effects are strain-specific and often modest. - Q - [Quercetin](/docs/supplements/q/quercetin): Quercetin is a flavonoid studied for allergy, inflammation, and exercise-recovery outcomes. Bioavailability varies by formulation. - R - [Red Yeast Rice](/docs/supplements/r/red-yeast-rice): Red yeast rice contains monacolin K (lovastatin-like). It can lower LDL but carries statin-like risks and product variability. - [Reishi](/docs/supplements/r/reishi): Reishi (Ganoderma) is studied for immune and sleep-related outcomes. Human evidence remains limited and mixed. - [Resveratrol](/docs/supplements/r/resveratrol): Resveratrol is a polyphenol studied for metabolic and cardiovascular biomarkers. Clinical outcome evidence is still mixed. - [Rhodiola](/docs/supplements/r/rhodiola): Rhodiola rosea is studied for fatigue, stress, and exercise performance. Extract standardization matters. - S - [Saccharomyces boulardii](/docs/supplements/s/saccharomyces-boulardii): Saccharomyces boulardii is a probiotic yeast studied for diarrhea and gut-related outcomes. - [SAMe](/docs/supplements/s/same): SAMe (S-adenosylmethionine) is studied for depression, osteoarthritis, and liver-related outcomes. - [Saw Palmetto](/docs/supplements/s/saw-palmetto): Saw palmetto is studied mainly for prostate and urinary symptoms in men. Evidence quality varies. - [Selenium](/docs/supplements/s/selenium): Selenium is an essential antioxidant mineral. Supplementation helps most when intake is inadequate, and excess can be harmful. - [St. John's Wort](/docs/supplements/s/st-johns-wort): St. John's wort is studied for mild-to-moderate depression. It has major drug-interaction risks. - [Sulforaphane](/docs/supplements/s/sulforaphane): Sulforaphane is a broccoli-sprout isothiocyanate studied for detoxification and metabolic outcomes. Dose and source matter. - T - [Taurine](/docs/supplements/t/taurine): Taurine is a conditionally essential amino acid studied for cardiovascular, metabolic, and exercise-related outcomes. - [Theanine](/docs/supplements/t/theanine): L-theanine is an amino acid from tea studied for relaxation and attention, often alongside caffeine. - [Tongkat Ali](/docs/supplements/t/tongkat-ali): Tongkat ali (Eurycoma longifolia) is studied for testosterone, stress, and male sexual health. Evidence quality varies. - [Tyrosine](/docs/supplements/t/tyrosine): Tyrosine is a catecholamine precursor studied for stress, cognition, and alertness under demanding conditions. - V - [Valerian](/docs/supplements/v/valerian): Valerian root is studied for sleep and anxiety. Evidence is mixed and product quality varies. - [Vitamin A](/docs/supplements/v/vitamin-a): Vitamin A is essential for vision and immune function. Supplemental benefit depends strongly on baseline status and dose. - [Vitamin B2 (Riboflavin)](/docs/supplements/v/vitamin-b2): Riboflavin supports energy metabolism. Supplemental benefits are clearest for migraine prevention and correcting low intake. - [Vitamin B3 (Niacin)](/docs/supplements/v/vitamin-b3): Niacin affects lipids and energy metabolism. Benefits and side effects are highly dose- and form-dependent. - [Vitamin B6](/docs/supplements/v/vitamin-b6): Vitamin B6 is involved in neurotransmitter and amino-acid metabolism. Excess high-dose use can cause neuropathy. - [Vitamin B9 (Folate)](/docs/supplements/v/vitamin-b9): Folate/folic acid is essential for DNA synthesis and pregnancy outcomes. Benefits depend strongly on baseline status and form. - [Vitamin B12](/docs/supplements/v/vitamin-b12): Vitamin B12 is essential for nerves and blood formation. Supplementation helps most when intake or absorption is inadequate. - [Vitamin C](/docs/supplements/v/vitamin-c): Vitamin C is essential for collagen and immune health. Supplements help most when diet is restricted or during intense physical stress. - [Vitamin D](/docs/supplements/v/vitamin-d): Vitamin D is essential for bone and mineral metabolism. Supplemental benefit depends strongly on baseline status, dose, and outcome. - [Vitamin E](/docs/supplements/v/vitamin-e): Vitamin E is a fat-soluble antioxidant. Supplemental benefit depends strongly on baseline status, form, and outcome. - [Vitamin K](/docs/supplements/v/vitamin-k): Vitamin K is essential for blood clotting and bone metabolism. K1 and K2 forms differ in food sources and research focus. - [Vitex agnus-castus](/docs/supplements/v/vitex-agnus-castus): Vitex (chasteberry) is studied for PMS and menstrual-cycle related symptoms. Evidence quality varies by extract. - W - [Whey Protein](/docs/supplements/w/whey-protein): Whey protein is a complete dairy protein studied for muscle, recovery, and satiety outcomes. - X - [Xylitol](/docs/supplements/x/xylitol): Xylitol is a sugar alcohol studied mainly for dental caries prevention. GI tolerance limits higher doses. - Y - [Yerba Mate](/docs/supplements/y/yerba-mate): Yerba mate is a caffeinated South American tea studied for energy, metabolic, and cognitive outcomes. - [Yohimbe](/docs/supplements/y/yohimbe): Yohimbe (yohimbine) is studied for erectile function and fat loss. Safety and dosing concerns are significant. - Z - [Zeaxanthin](/docs/supplements/z/zeaxanthin): Zeaxanthin is a macular carotenoid often studied with lutein for eye and visual-performance outcomes. - [Zinc](/docs/supplements/z/zinc): Zinc is an essential mineral for immunity, wound healing, and many enzymes. Excess intake can cause copper deficiency. - Conditions: Condition-led evidence maps - **Introduction** - [Conditions](/docs/conditions): Condition-led evidence maps — ranked supplements for point-of-care decisions - **Most Searched Conditions** - [Athletic performance](/docs/conditions/a/athletic-performance) - [Type 2 Diabetes](/docs/conditions/t/type-2-diabetes) - [Anxiety](/docs/conditions/a/anxiety) - [Depression](/docs/conditions/d/depression) - [PCOS](/docs/conditions/p/polycystic-ovary-syndrome) - [Insomnia](/docs/conditions/i/insomnia) - **Conditions A-Z** - [View All Conditions](/docs/conditions/view-all): Full A–Z clinical condition library - A - [Abdominal pain](/docs/conditions/a/abdominal-pain): Supplements studied for Abdominal pain. - [Acne](/docs/conditions/a/acne): Supplements studied for acne. - [Acrodermatitis enteropathica](/docs/conditions/a/acrodermatitis-enteropathica): Supplements studied for acrodermatitis enteropathica. - [Acute kidney injury (AKI)](/docs/conditions/a/acute-kidney-injury): Supplements studied for acute kidney injury (AKI). - [Acute liver failure](/docs/conditions/a/acute-liver-failure): Supplements studied for Acute liver failure. - [Acute pain](/docs/conditions/a/acute-pain): Supplements studied for acute pain. - [Acute respiratory distress syndrome (ARDS)](/docs/conditions/a/acute-respiratory-distress-syndrome): Supplements studied for acute respiratory distress syndrome (ARDS). - [Acute respiratory infection](/docs/conditions/a/acute-respiratory-infection): Supplements studied for Acute respiratory infection. - [Adrenoleukodystrophy (ALD)](/docs/conditions/a/adrenoleukodystrophy): Supplements studied for adrenoleukodystrophy (ALD). - [Age-related Cognitive Decline](/docs/conditions/a/age-related-cognitive-decline): Supplements studied for age-related cognitive decline. - [Age-related fatigue](/docs/conditions/a/age-related-fatigue): Supplements studied for age-related fatigue. - [Age-related Macular Degeneration (AMD)](/docs/conditions/a/age-related-macular-degeneration): Supplements studied for age-related macular degeneration (AMD). - [Age-related testosterone deficiency](/docs/conditions/a/age-related-testosterone-deficiency): Supplements studied for age-related testosterone deficiency. - [Aging skin](/docs/conditions/a/aging-skin): Supplements studied for aging skin. - [Alcohol-associated liver disease](/docs/conditions/a/alcohol-associated-liver-disease): Supplements studied for alcohol-associated liver disease. - [Alcohol use disorder](/docs/conditions/a/alcohol-use-disorder): Supplements studied for alcohol use disorder. - [All-cause mortality](/docs/conditions/a/all-cause-mortality): Supplements studied for all-cause mortality. - [Allergic Rhinitis](/docs/conditions/a/allergic-rhinitis): Supplements studied for allergic rhinitis. - [Allergies](/docs/conditions/a/allergies): Supplements studied for allergies. - [Altitude sickness](/docs/conditions/a/altitude-sickness): Supplements studied for altitude sickness. - [Alveolar osteitis (dry socket)](/docs/conditions/a/alveolar-osteitis): Supplements studied for alveolar osteitis (dry socket). - [Alzheimer's Disease](/docs/conditions/a/alzheimers-disease): Supplements studied for alzheimer's disease. - [Amyloidosis](/docs/conditions/a/amyloidosis): Supplements studied for amyloidosis. - [Amyotrophic lateral sclerosis (ALS)](/docs/conditions/a/amyotrophic-lateral-sclerosis): Supplements studied for amyotrophic lateral sclerosis (ALS). - [Anemia of chronic disease](/docs/conditions/a/anemia-of-chronic-disease): Supplements studied for anemia of chronic disease. - [Anemia](/docs/conditions/a/anemia): Supplements studied for anemia. - [Angina (Chest Pain)](/docs/conditions/a/angina): Supplements studied for angina (chest pain). - [Angioplasty](/docs/conditions/a/angioplasty): Supplements studied for angioplasty. - [Antibiotic-associated diarrhea](/docs/conditions/a/antibiotic-associated-diarrhea): Supplements studied for antibiotic-associated diarrhea. - [Antidepressant-induced sexual dysfunction](/docs/conditions/a/antidepressant-induced-sexual-dysfunction): Supplements studied for antidepressant-induced sexual dysfunction. - [Antiretroviral-induced Insulin Resistance](/docs/conditions/a/antiretroviral-induced-insulin-resistance): Supplements studied for antiretroviral-induced insulin resistance. - [Anxiety](/docs/conditions/a/anxiety): Supplements studied for anxiety. - [Appetite](/docs/conditions/a/appetite): Supplements studied for appetite. - [Aromatase-inhibitor induced joint pain](/docs/conditions/a/aromatase-inhibitor-induced-joint-pain): Supplements studied for aromatase-inhibitor induced joint pain. - [Arrhythmia](/docs/conditions/a/arrhythmia): Supplements studied for arrhythmia. - [Asthenopia (Eye strain)](/docs/conditions/a/asthenopia): Supplements studied for asthenopia (eye strain). - [Asthma](/docs/conditions/a/asthma): Supplements studied for asthma. - [Atherosclerosis](/docs/conditions/a/atherosclerosis): Supplements studied for atherosclerosis. - [Athletic performance](/docs/conditions/a/athletic-performance): Supplements studied for athletic performance. - [Atopy](/docs/conditions/a/atopy): Supplements studied for atopy. - [Atrial Fibrillation](/docs/conditions/a/atrial-fibrillation): Supplements studied for atrial fibrillation. - [Attention deficit hyperactivity disorder (ADHD)](/docs/conditions/a/attention-deficit-hyperactivity-disorder): Supplements studied for attention deficit hyperactivity disorder (ADHD). - [Attention](/docs/conditions/a/attention): Supplements studied for Attention. - [Autism spectrum disorder](/docs/conditions/a/autism-spectrum-disorder): Supplements studied for autism spectrum disorder. - [Autoimmune thyroiditis](/docs/conditions/a/autoimmune-thyroiditis): Supplements studied for Autoimmune thyroiditis. - B - [Back pain](/docs/conditions/b/back-pain): Supplements studied for back pain. - [Bacterial vaginosis (BV)](/docs/conditions/b/bacterial-vaginosis): Supplements studied for bacterial vaginosis (BV). - [Bad Breath](/docs/conditions/b/bad-breath): Supplements studied for bad breath. - [Bed sores](/docs/conditions/b/bed-sores): Supplements studied for bed sores. - [Benign prostatic hyperplasia](/docs/conditions/b/benign-prostatic-hyperplasia): Supplements studied for benign prostatic hyperplasia. - [Beta blocker-induced insomnia](/docs/conditions/b/beta-blocker-induced-insomnia): Supplements studied for beta blocker-induced insomnia. - [Beta thalassemia](/docs/conditions/b/beta-thalassemia): Supplements studied for beta thalassemia. - [Biliary disease](/docs/conditions/b/biliary-disease): Supplements studied for biliary disease. - [Binge eating disorder](/docs/conditions/b/binge-eating-disorder): Supplements studied for binge eating disorder. - [Biotin deficiency](/docs/conditions/b/biotin-deficiency): Supplements studied for Biotin deficiency. - [Bipolar disorder](/docs/conditions/b/bipolar-disorder): Supplements studied for bipolar disorder. - [Bladder cancer](/docs/conditions/b/bladder-cancer): Supplements studied for bladder cancer. - [Blood sugar control](/docs/conditions/b/blood-sugar-control): Supplements studied for blood sugar control. - [Body composition](/docs/conditions/b/body-composition): Supplements studied for body composition. - [Body weight](/docs/conditions/b/body-weight): Supplements studied for Body weight. - [Bone density](/docs/conditions/b/bone-density): Supplements studied for bone density. - [Bone fractures of the wrist](/docs/conditions/b/bone-fractures-of-the-wrist): Supplements studied for bone fractures of the wrist. - [Bone health](/docs/conditions/b/bone-health): Supplements studied for bone health. - [Brain tumor](/docs/conditions/b/brain-tumor): Supplements studied for brain tumor. - [Breast cancer-induced hot flashes](/docs/conditions/b/breast-cancer-induced-hot-flashes): Supplements studied for breast cancer-induced hot flashes. - [Breast cancer](/docs/conditions/b/breast-cancer): Supplements studied for breast cancer. - [Breath holding](/docs/conditions/b/breath-holding): Supplements studied for breath holding. - [Brittle nails](/docs/conditions/b/brittle-nails): Supplements studied for Brittle nails. - [Bronchiectasis](/docs/conditions/b/bronchiectasis): Supplements studied for bronchiectasis. - [Bronchiolitis](/docs/conditions/b/bronchiolitis): Supplements studied for bronchiolitis. - [Bronchitis](/docs/conditions/b/bronchitis): Supplements studied for bronchitis. - [Bronchopulmonary Dysplasia (BPD)](/docs/conditions/b/bronchopulmonary-dysplasia): Supplements studied for bronchopulmonary dysplasia (BPD). - [Bruxism](/docs/conditions/b/bruxism): Supplements studied for bruxism. - [Burning mouth syndrome](/docs/conditions/b/burning-mouth-syndrome): Supplements studied for burning mouth syndrome. - [Burns](/docs/conditions/b/burns): Supplements studied for burns. - C - [C. difficile infection](/docs/conditions/c/c-difficile-infection): Supplements studied for c. difficile infection. - [Cachexia](/docs/conditions/c/cachexia): Supplements studied for cachexia. - [Cancer mortality](/docs/conditions/c/cancer-mortality): Supplements studied for Cancer mortality. - [Cancer-related fatigue](/docs/conditions/c/cancer-related-fatigue): Supplements studied for cancer-related fatigue. - [Cancer](/docs/conditions/c/cancer): Supplements studied for cancer. - [Canker sores](/docs/conditions/c/canker-sores): Supplements studied for canker sores. - [Cannabis addiction](/docs/conditions/c/cannabis-addiction): Supplements studied for cannabis addiction. - [Cardiovascular Disease (CVD)](/docs/conditions/c/cardiovascular-disease): Supplements studied for cardiovascular disease (CVD). - [Cardiovascular health](/docs/conditions/c/cardiovascular-health): Supplements studied for cardiovascular health. - [Carpal Tunnel Syndrome](/docs/conditions/c/carpal-tunnel-syndrome): Supplements studied for carpal tunnel syndrome. - [Cataracts](/docs/conditions/c/cataracts): Supplements studied for cataracts. - [Cavities](/docs/conditions/c/cavities): Supplements studied for cavities. - [Celiac disease](/docs/conditions/c/celiac-disease): Supplements studied for celiac disease. - [Central serous chorioretinopathy](/docs/conditions/c/central-serous-chorioretinopathy): Supplements studied for central serous chorioretinopathy. - [Cerebellar ataxia](/docs/conditions/c/cerebellar-ataxia): Supplements studied for cerebellar ataxia. - [Cerebral Palsy](/docs/conditions/c/cerebral-palsy): Supplements studied for cerebral palsy. - [Cervical cancer](/docs/conditions/c/cervical-cancer): Supplements studied for cervical cancer. - [Cervical dysplasia](/docs/conditions/c/cervical-dysplasia): Supplements studied for cervical dysplasia. - [Cervical Ripening](/docs/conditions/c/cervical-ripening): Supplements studied for cervical ripening. - [Chemotherapy-induced acral erythema](/docs/conditions/c/chemotherapy-induced-acral-erythema): Supplements studied for chemotherapy-induced acral erythema. - [Chemotherapy-induced cystitis](/docs/conditions/c/chemotherapy-induced-cystitis): Supplements studied for chemotherapy-induced cystitis. - [Chemotherapy-induced diarrhea](/docs/conditions/c/chemotherapy-induced-diarrhea): Supplements studied for chemotherapy-induced diarrhea. - [Chemotherapy-induced hepatotoxicity](/docs/conditions/c/chemotherapy-induced-hepatotoxicity): Supplements studied for chemotherapy-induced hepatotoxicity. - [Chemotherapy-induced nausea and vomiting](/docs/conditions/c/chemotherapy-induced-nausea-and-vomiting): Supplements studied for chemotherapy-induced nausea and vomiting. - [Chemotherapy-induced nephrotoxicity](/docs/conditions/c/chemotherapy-induced-nephrotoxicity): Supplements studied for chemotherapy-induced nephrotoxicity. - [Chemotherapy-induced Peripheral Neuropathy](/docs/conditions/c/chemotherapy-induced-peripheral-neuropathy): Supplements studied for chemotherapy-induced peripheral neuropathy. - [Chemotherapy-related fatigue](/docs/conditions/c/chemotherapy-related-fatigue): Supplements studied for chemotherapy-related fatigue. - [Chemotherapy side effects](/docs/conditions/c/chemotherapy-side-effects): Supplements studied for Chemotherapy side effects. - [Child cognitive development](/docs/conditions/c/child-cognitive-development): Supplements studied for Child cognitive development. - [Child development](/docs/conditions/c/child-development): Supplements studied for Child development. - [Child growth](/docs/conditions/c/child-growth): Supplements studied for child growth. - [Childhood cognitive function](/docs/conditions/c/childhood-cognitive-function): Supplements studied for childhood cognitive function. - [Cholera](/docs/conditions/c/cholera): Supplements studied for cholera. - [Cholestasis of pregnancy](/docs/conditions/c/cholestasis-of-pregnancy): Supplements studied for cholestasis of pregnancy. - [Choroideremia](/docs/conditions/c/choroideremia): Supplements studied for choroideremia. - [Chronic fatigue syndrome (CFS)](/docs/conditions/c/chronic-fatigue-syndrome): Supplements studied for chronic fatigue syndrome (CFS). - [Chronic kidney disease (CKD)](/docs/conditions/c/chronic-kidney-disease): Supplements studied for chronic kidney disease (CKD). - [Chronic mountain sickness (CMS)](/docs/conditions/c/chronic-mountain-sickness): Supplements studied for chronic mountain sickness (CMS). - [Chronic Obstructive Pulmonary Disease (COPD)](/docs/conditions/c/chronic-obstructive-pulmonary-disease): Supplements studied for chronic obstructive pulmonary disease (COPD). - [Chronic pain](/docs/conditions/c/chronic-pain): Supplements studied for chronic pain. - [Chronic prostatitis](/docs/conditions/c/chronic-prostatitis): Supplements studied for chronic prostatitis. - [Circadian rhythm disruption (Shift work)](/docs/conditions/c/circadian-rhythm-disruption): Supplements studied for Circadian rhythm disruption (Shift work). - [Circadian rhythm sleep disorders](/docs/conditions/c/circadian-rhythm-sleep-disorders): Supplements studied for circadian rhythm sleep disorders. - [Cirrhosis](/docs/conditions/c/cirrhosis): Supplements studied for cirrhosis. - [Cleft lip and cleft palate](/docs/conditions/c/cleft-lip-and-cleft-palate): Supplements studied for cleft lip and cleft palate. - [Cocaine dependence](/docs/conditions/c/cocaine-dependence): Supplements studied for cocaine dependence. - [Coenzyme Q10 Deficiency](/docs/conditions/c/coenzyme-q10-deficiency): Supplements studied for coenzyme q10 deficiency. - [Cognitive performance](/docs/conditions/c/cognitive-performance): Supplements studied for cognitive performance. - [Cold sores](/docs/conditions/c/cold-sores): Supplements studied for cold sores. - [Colic](/docs/conditions/c/colic): Supplements studied for colic. - [Colorectal adenoma](/docs/conditions/c/colorectal-adenoma): Supplements studied for colorectal adenoma. - [Colorectal cancer](/docs/conditions/c/colorectal-cancer): Supplements studied for colorectal cancer. - [Common Cold](/docs/conditions/c/common-cold): Supplements studied for common cold. - [Complex regional pain syndrome](/docs/conditions/c/complex-regional-pain-syndrome): Supplements studied for complex regional pain syndrome. - [Concussion](/docs/conditions/c/concussion): Supplements studied for concussion. - [Congenital heart disease](/docs/conditions/c/congenital-heart-disease): Supplements studied for Congenital heart disease. - [Congestive Heart Failure](/docs/conditions/c/congestive-heart-failure): Supplements studied for congestive heart failure. - [Conjunctivitis](/docs/conditions/c/conjunctivitis): Supplements studied for conjunctivitis. - [Constipation](/docs/conditions/c/constipation): Supplements studied for constipation. - [Contrast-induced nephropathy](/docs/conditions/c/contrast-induced-nephropathy): Supplements studied for contrast-induced nephropathy. - [Corneal abrasion](/docs/conditions/c/corneal-abrasion): Supplements studied for corneal abrasion. - [Coronary artery bypass graft surgery](/docs/conditions/c/coronary-artery-bypass-graft-surgery): Supplements studied for coronary artery bypass graft surgery. - [Coronary artery disease](/docs/conditions/c/coronary-artery-disease): Supplements studied for coronary artery disease. - [Coronary heart disease](/docs/conditions/c/coronary-heart-disease): Supplements studied for coronary heart disease. - [Corticosteroid-induced osteoporosis](/docs/conditions/c/corticosteroid-induced-osteoporosis): Supplements studied for corticosteroid-induced osteoporosis. - [Cough](/docs/conditions/c/cough): Supplements studied for Cough. - [COVID-19](/docs/conditions/c/covid-19): Supplements studied for COVID-19. - [Crohn's Disease](/docs/conditions/c/crohns-disease): Supplements studied for crohn's disease. - [Cyanide Poisoning](/docs/conditions/c/cyanide-poisoning): Supplements studied for cyanide poisoning. - [Cyclical Mastalgia](/docs/conditions/c/cyclical-mastalgia): Supplements studied for cyclical mastalgia. - [Cystic fibrosis](/docs/conditions/c/cystic-fibrosis): Supplements studied for cystic fibrosis. - [Cystinuria](/docs/conditions/c/cystinuria): Supplements studied for cystinuria. - D - [Delayed-onset muscle soreness (DOMS)](/docs/conditions/d/delayed-onset-muscle-soreness): Supplements studied for delayed-onset muscle soreness (DOMS). - [Delayed sleep phase syndrome](/docs/conditions/d/delayed-sleep-phase-syndrome): Supplements studied for delayed sleep phase syndrome. - [Delirium](/docs/conditions/d/delirium): Supplements studied for delirium. - [Dementia](/docs/conditions/d/dementia): Supplements studied for dementia. - [Dental plaque](/docs/conditions/d/dental-plaque): Supplements studied for dental plaque. - [Depression](/docs/conditions/d/depression): Supplements studied for depression. - [Diabetic foot ulcers](/docs/conditions/d/diabetic-foot-ulcers): Supplements studied for diabetic foot ulcers. - [Diabetic nephropathy](/docs/conditions/d/diabetic-nephropathy): Supplements studied for diabetic nephropathy. - [Diabetic Neuropathy](/docs/conditions/d/diabetic-neuropathy): Supplements studied for diabetic neuropathy. - [Diabetic retinopathy](/docs/conditions/d/diabetic-retinopathy): Supplements studied for diabetic retinopathy. - [Diaper Rash](/docs/conditions/d/diaper-rash): Supplements studied for diaper rash. - [Diarrhea](/docs/conditions/d/diarrhea): Supplements studied for diarrhea. - [Dilated cardiomyopathy](/docs/conditions/d/dilated-cardiomyopathy): Supplements studied for dilated cardiomyopathy. - [Down syndrome](/docs/conditions/d/down-syndrome): Supplements studied for down syndrome. - [Drug-induced hepatotoxicity](/docs/conditions/d/drug-induced-hepatotoxicity): Supplements studied for drug-induced hepatotoxicity. - [Dry Eye Disease](/docs/conditions/d/dry-eye-disease): Supplements studied for dry eye disease. - [Dry mouth](/docs/conditions/d/dry-mouth): Supplements studied for dry mouth. - [Dry skin](/docs/conditions/d/dry-skin): Supplements studied for dry skin. - [Duchenne Muscular Dystrophy (DMD)](/docs/conditions/d/duchenne-muscular-dystrophy): Supplements studied for duchenne muscular dystrophy (DMD). - [Dyslipidemia](/docs/conditions/d/dyslipidemia): Supplements studied for dyslipidemia. - [Dysmenorrhea](/docs/conditions/d/dysmenorrhea): Supplements studied for dysmenorrhea. - [Dyspepsia](/docs/conditions/d/dyspepsia): Supplements studied for Dyspepsia. - [Dysphagia](/docs/conditions/d/dysphagia): Supplements studied for dysphagia. - [Dysthymia](/docs/conditions/d/dysthymia): Supplements studied for Dysthymia. - E - [Ebola](/docs/conditions/e/ebola): Supplements studied for ebola. - [Eclampsia](/docs/conditions/e/eclampsia): Supplements studied for eclampsia. - [Eczema (Atopic Dermatitis)](/docs/conditions/e/eczema): Supplements studied for eczema (atopic dermatitis). - [Elderly physical function](/docs/conditions/e/elderly-physical-function): Supplements studied for Elderly physical function. - [Elderly physical performance](/docs/conditions/e/elderly-physical-performance): Supplements studied for elderly physical performance. - [Elderly quality of life](/docs/conditions/e/elderly-quality-of-life): Supplements studied for Elderly quality of life. - [Emergence delirium](/docs/conditions/e/emergence-delirium): Supplements studied for Emergence delirium. - [Endometrial cancer](/docs/conditions/e/endometrial-cancer): Supplements studied for endometrial cancer. - [Endometrial hyperplasia](/docs/conditions/e/endometrial-hyperplasia): Supplements studied for endometrial hyperplasia. - [Endometriosis](/docs/conditions/e/endometriosis): Supplements studied for endometriosis. - [Endometritis](/docs/conditions/e/endometritis): Supplements studied for Endometritis. - [Energy expenditure](/docs/conditions/e/energy-expenditure): Supplements studied for Energy expenditure. - [Epilepsy](/docs/conditions/e/epilepsy): Supplements studied for epilepsy. - [Episiotomy](/docs/conditions/e/episiotomy): Supplements studied for episiotomy. - [Erectile dysfunction (ED)](/docs/conditions/e/erectile-dysfunction): Supplements studied for erectile dysfunction (ED). - [Erythropoietic protoporphyria (EPP)](/docs/conditions/e/erythropoietic-protoporphyria): Supplements studied for erythropoietic protoporphyria (EPP). - [Esophageal cancer](/docs/conditions/e/esophageal-cancer): Supplements studied for esophageal cancer. - [Esophagogastroduodenoscopy (EGD)](/docs/conditions/e/esophagogastroduodenoscopy): Supplements studied for esophagogastroduodenoscopy (EGD). - [Exercise-induced muscle damage](/docs/conditions/e/exercise-induced-muscle-damage): Supplements studied for Exercise-induced muscle damage. - [Exercise-induced respiratory infections](/docs/conditions/e/exercise-induced-respiratory-infections): Supplements studied for Exercise-induced respiratory infections. - F - [Fall prevention](/docs/conditions/f/fall-prevention): Supplements studied for fall prevention. - [Familial hypercholesterolemia](/docs/conditions/f/familial-hypercholesterolemia): Supplements studied for familial hypercholesterolemia. - [Familial Mediterranean fever](/docs/conditions/f/familial-mediterranean-fever): Supplements studied for familial mediterranean fever. - [Fasting blood sugar levels](/docs/conditions/f/fasting-blood-sugar-levels): Supplements studied for Fasting blood sugar levels. - [Fat Loss](/docs/conditions/f/fat-loss): Supplements studied for fat loss. - [Fatigue in older adults](/docs/conditions/f/fatigue-in-older-adults): Supplements studied for Fatigue in older adults. - [Fatigue](/docs/conditions/f/fatigue): Supplements studied for fatigue. - [Female infertility](/docs/conditions/f/female-infertility): Supplements studied for female infertility. - [Fever](/docs/conditions/f/fever): Supplements studied for Fever. - [Fibrocystic breast disease](/docs/conditions/f/fibrocystic-breast-disease): Supplements studied for fibrocystic breast disease. - [Fibromyalgia](/docs/conditions/f/fibromyalgia): Supplements studied for fibromyalgia. - [Folate (Vitamin B9) deficiency](/docs/conditions/f/folate-deficiency): Supplements studied for Folate (Vitamin B9) deficiency. - [Fracture risk](/docs/conditions/f/fracture-risk): Supplements studied for Fracture risk. - [Fractures](/docs/conditions/f/fractures): Supplements studied for fractures. - [Fragile X syndrome](/docs/conditions/f/fragile-x-syndrome): Supplements studied for fragile x syndrome. - [Frailty](/docs/conditions/f/frailty): Supplements studied for frailty. - G - [Gallbladder disease](/docs/conditions/g/gallbladder-disease): Supplements studied for gallbladder disease. - [Gastritis](/docs/conditions/g/gastritis): Supplements studied for gastritis. - [Gastroenteritis-associated vomiting](/docs/conditions/g/gastroenteritis-associated-vomiting): Supplements studied for Gastroenteritis-associated vomiting. - [Gastroenteritis in early childhood](/docs/conditions/g/gastroenteritis-in-early-childhood): Supplements studied for Gastroenteritis in early childhood. - [Gastroenteritis](/docs/conditions/g/gastroenteritis): Supplements studied for gastroenteritis. - [Gastroesophageal Reflux Disease (GERD)](/docs/conditions/g/gastroesophageal-reflux-disease): Supplements studied for gastroesophageal reflux disease (GERD). - [Gastroparesis](/docs/conditions/g/gastroparesis): Supplements studied for gastroparesis. - [General eye health](/docs/conditions/g/general-eye-health): Supplements studied for General eye health. - [Generalised anxiety disorder (GAD)](/docs/conditions/g/generalised-anxiety-disorder): Supplements studied for generalised anxiety disorder (GAD). - [Genital herpes](/docs/conditions/g/genital-herpes): Supplements studied for genital herpes. - [Gestational type-2-diabetes](/docs/conditions/g/gestational-diabetes): Supplements studied for gestational type-2-diabetes. - [Gestational hypertension](/docs/conditions/g/gestational-hypertension): Supplements studied for Gestational hypertension. - [Gilbert's syndrome](/docs/conditions/g/gilberts-syndrome): Supplements studied for gilbert's syndrome. - [Gingivitis](/docs/conditions/g/gingivitis): Supplements studied for gingivitis. - [Glaucoma](/docs/conditions/g/glaucoma): Supplements studied for glaucoma. - [Glycemic control](/docs/conditions/g/glycemic-control): Supplements studied for Glycemic control. - [Gout](/docs/conditions/g/gout): Supplements studied for gout. - [Graft-versus-host disease](/docs/conditions/g/graft-versus-host-disease): Supplements studied for graft-versus-host disease. - [Graves' disease](/docs/conditions/g/graves-disease): Supplements studied for graves' disease. - [Graves' eye disease](/docs/conditions/g/graves-eye-disease): Supplements studied for Graves' eye disease. - [Gut health](/docs/conditions/g/gut-health): Supplements studied for Gut health. - H - [Hair growth](/docs/conditions/h/hair-growth): Supplements studied for Hair growth. - [Hair loss (Alopecia areata)](/docs/conditions/h/hair-loss-alopecia-areata): Supplements studied for hair loss (alopecia areata). - [Hair loss (Androgenic alopecia)](/docs/conditions/h/hair-loss-androgenic-alopecia): Supplements studied for hair loss (androgenic alopecia). - [Hair loss](/docs/conditions/h/hair-loss): Supplements studied for Hair loss. - [Halitosis (Bad breath)](/docs/conditions/h/halitosis): Supplements studied for Halitosis (Bad breath). - [Hand-Foot Syndrome](/docs/conditions/h/hand-foot-syndrome): Supplements studied for hand-foot syndrome. - [Hangover](/docs/conditions/h/hangover): Supplements studied for hangover. - [Hashimoto's disease](/docs/conditions/h/hashimotos-disease): Supplements studied for hashimoto's disease. - [Hay Fever](/docs/conditions/h/hay-fever): Supplements studied for hay fever. - [Head and Neck Cancer](/docs/conditions/h/head-and-neck-cancer): Supplements studied for head and neck cancer. - [Headache](/docs/conditions/h/headache): Supplements studied for Headache. - [Hearing loss](/docs/conditions/h/hearing-loss): Supplements studied for hearing loss. - [Heart Failure](/docs/conditions/h/heart-failure): Supplements studied for heart failure. - [Helicobacter pylori infection (H. pylori)](/docs/conditions/h/helicobacter-pylori-infection): Supplements studied for Helicobacter pylori infection (H. pylori). - [Helicobacter pylori (H. pylori)](/docs/conditions/h/helicobacter-pylori): Supplements studied for helicobacter pylori (h. pylori). - [Hematopoietic stem cell transplantation (HSCT)](/docs/conditions/h/hematopoietic-stem-cell-transplantation): Supplements studied for hematopoietic stem cell transplantation (HSCT). - [Hemorrhoids](/docs/conditions/h/hemorrhoids): Supplements studied for hemorrhoids. - [Hepatic Encephalopathy](/docs/conditions/h/hepatic-encephalopathy): Supplements studied for hepatic encephalopathy. - [Hepatitis](/docs/conditions/h/hepatitis): Supplements studied for hepatitis. - [Hepatorenal syndrome](/docs/conditions/h/hepatorenal-syndrome): Supplements studied for hepatorenal syndrome. - [Hereditary hemorrhagic telangiectasia](/docs/conditions/h/hereditary-hemorrhagic-telangiectasia): Supplements studied for hereditary hemorrhagic telangiectasia. - [High Blood Pressure (Hypertension)](/docs/conditions/h/high-blood-pressure): Supplements studied for high blood pressure (high-blood-pressure). - [High Cholesterol (Hypercholesterolemia)](/docs/conditions/h/high-cholesterol): Supplements studied for high cholesterol (hypercholesterolemia). - [High Homocysteine Levels (Hyperhomocysteinemia)](/docs/conditions/h/high-homocysteine-levels): Supplements studied for high homocysteine levels (hyperhomocysteinemia). - [High Triglycerides (Hypertriglyceridemia)](/docs/conditions/h/high-triglycerides): Supplements studied for high triglycerides (hypertriglyceridemia). - [Hirsutism](/docs/conditions/h/hirsutism): Supplements studied for hirsutism. - [HIV/AIDS](/docs/conditions/h/hiv-aids): Supplements studied for hiv/aids. - [Hives](/docs/conditions/h/hives): Supplements studied for hives. - [Hormonal health](/docs/conditions/h/hormonal-health): Supplements studied for Hormonal health. - [Hot flashes](/docs/conditions/h/hot-flashes): Supplements studied for hot flashes. - [Human papillomavirus (HPV)](/docs/conditions/h/human-papillomavirus): Supplements studied for human papillomavirus (HPV). - [Huntington's disease](/docs/conditions/h/huntingtons-disease): Supplements studied for huntington's disease. - [Hypercholesterolemia (High cholesterol)](/docs/conditions/h/hypercholesterolemia): Supplements studied for Hypercholesterolemia (High cholesterol). - [Hyperemesis gravidarum](/docs/conditions/h/hyperemesis-gravidarum): Supplements studied for hyperemesis gravidarum. - [Hyperhomocysteinemia](/docs/conditions/h/hyperhomocysteinemia): Supplements studied for Hyperhomocysteinemia. - [Hyperlipidemia](/docs/conditions/h/hyperlipidemia): Supplements studied for hyperlipidemia. - [Hyperlipoproteinaemia](/docs/conditions/h/hyperlipoproteinaemia): Supplements studied for hyperlipoproteinaemia. - [Hyperlipoproteinemia](/docs/conditions/h/hyperlipoproteinemia): Supplements studied for Hyperlipoproteinemia. - [Hyperparathyroidism](/docs/conditions/h/hyperparathyroidism): Supplements studied for hyperparathyroidism. - [Hyperphosphatemia](/docs/conditions/h/hyperphosphatemia): Supplements studied for hyperphosphatemia. - [Hyperprolactinaemia](/docs/conditions/h/hyperprolactinaemia): Supplements studied for hyperprolactinaemia. - [Hyperprolactinemia](/docs/conditions/h/hyperprolactinemia): Supplements studied for Hyperprolactinemia. - [Hyperthyroidism](/docs/conditions/h/hyperthyroidism): Supplements studied for hyperthyroidism. - [Hypertriglyceridemia (High triglyceride levels)](/docs/conditions/h/hypertriglyceridemia): Supplements studied for Hypertriglyceridemia (High triglyceride levels). - [Hypertrophic scars](/docs/conditions/h/hypertrophic-scars): Supplements studied for hypertrophic scars. - [Hypnic headache](/docs/conditions/h/hypnic-headache): Supplements studied for hypnic headache. - [Hypogonadism](/docs/conditions/h/hypogonadism): Supplements studied for hypogonadism. - [Hypokalemia](/docs/conditions/h/hypokalemia): Supplements studied for Hypokalemia. - [Hypoparathyroidism](/docs/conditions/h/hypoparathyroidism): Supplements studied for hypoparathyroidism. - [Hypophosphatemia](/docs/conditions/h/hypophosphatemia): Supplements studied for hypophosphatemia. - [Hypotension (Low blood pressure)](/docs/conditions/h/hypotension): Supplements studied for hypotension (low blood pressure). - [Hypothyroidism](/docs/conditions/h/hypothyroidism): Supplements studied for hypothyroidism. - [Hypoxic liver injury](/docs/conditions/h/hypoxic-liver-injury): Supplements studied for hypoxic liver injury. - I - [Ichthyosis](/docs/conditions/i/ichthyosis): Supplements studied for ichthyosis. - [Idiopathic interstitial pneumonia](/docs/conditions/i/idiopathic-interstitial-pneumonia): Supplements studied for idiopathic interstitial pneumonia. - [Idiopathic pulmonary fibrosis](/docs/conditions/i/idiopathic-pulmonary-fibrosis): Supplements studied for idiopathic pulmonary fibrosis. - [Idiopathic short stature](/docs/conditions/i/idiopathic-short-stature): Supplements studied for idiopathic short stature. - [Imerslund-Gräsbeck Syndrome](/docs/conditions/i/imerslund-grasbeck-syndrome): Supplements studied for imerslund-gräsbeck syndrome. - [Immunity](/docs/conditions/i/immunity): Supplements studied for immunity. - [Indigestion (Dyspepsia)](/docs/conditions/i/indigestion): Supplements studied for indigestion (dyspepsia). - [Infant cognitive development](/docs/conditions/i/infant-cognitive-development): Supplements studied for Infant cognitive development. - [Infant development](/docs/conditions/i/infant-development): Supplements studied for infant development. - [Infant mortality](/docs/conditions/i/infant-mortality): Supplements studied for infant mortality. - [Infant visual development](/docs/conditions/i/infant-visual-development): Supplements studied for infant visual development. - [Infertility](/docs/conditions/i/infertility): Supplements studied for infertility. - [Inflammatory bowel disease (IBD)](/docs/conditions/i/inflammatory-bowel-disease): Supplements studied for inflammatory bowel disease (IBD). - [Influenza](/docs/conditions/i/influenza): Supplements studied for influenza. - [Insect repellent](/docs/conditions/i/insect-repellent): Supplements studied for Insect repellent. - [Insomnia](/docs/conditions/i/insomnia): Supplements studied for insomnia. - [Insulin Resistance](/docs/conditions/i/insulin-resistance): Supplements studied for insulin resistance. - [Intermittent claudication](/docs/conditions/i/intermittent-claudication): Supplements studied for intermittent claudication. - [Intestinal parasite infection](/docs/conditions/i/intestinal-parasite-infection): Supplements studied for intestinal parasite infection. - [Intraoperative nausea and vomiting](/docs/conditions/i/intraoperative-nausea-and-vomiting): Supplements studied for intraoperative nausea and vomiting. - [Iodine deficiency](/docs/conditions/i/iodine-deficiency): Supplements studied for Iodine deficiency. - [Iron deficiency anemia](/docs/conditions/i/iron-deficiency-anemia): Supplements studied for iron deficiency anemia. - [Irritable bowel syndrome (IBS)](/docs/conditions/i/irritable-bowel-syndrome): Supplements studied for irritable bowel syndrome (IBS). - [Itching (Pruritus)](/docs/conditions/i/itching): Supplements studied for itching (pruritus). - J - [Jet lag](/docs/conditions/j/jet-lag): Supplements studied for jet lag. - [Joint Pain](/docs/conditions/j/joint-pain): Supplements studied for joint pain. - K - [Kashin-Beck disease](/docs/conditions/k/kashin-beck-disease): Supplements studied for kashin-beck disease. - [Kidney cancer](/docs/conditions/k/kidney-cancer): Supplements studied for Kidney cancer. - [Kidney failure](/docs/conditions/k/kidney-failure): Supplements studied for kidney failure. - [Kidney health](/docs/conditions/k/kidney-health): Supplements studied for kidney health. - [Kidney stones (Nephrolithiasis)](/docs/conditions/k/kidney-stones): Supplements studied for kidney stones (nephrolithiasis). - [Kidney transplant](/docs/conditions/k/kidney-transplant): Supplements studied for kidney transplant. - [Knee pain](/docs/conditions/k/knee-pain): Supplements studied for Knee pain. - [Kwashiorkor](/docs/conditions/k/kwashiorkor): Supplements studied for Kwashiorkor. - L - [Lactation](/docs/conditions/l/lactation): Supplements studied for lactation. - [Lactose intolerance](/docs/conditions/l/lactose-intolerance): Supplements studied for Lactose intolerance. - [Laryngeal cancer](/docs/conditions/l/laryngeal-cancer): Supplements studied for laryngeal cancer. - [Laryngoscopy and endotracheal intubation](/docs/conditions/l/laryngoscopy-and-endotracheal-intubation): Supplements studied for laryngoscopy and endotracheal intubation. - [Lead Exposure](/docs/conditions/l/lead-exposure): Supplements studied for lead exposure. - [Lead toxicity](/docs/conditions/l/lead-toxicity): Supplements studied for Lead toxicity. - [Leishmaniasis](/docs/conditions/l/leishmaniasis): Supplements studied for leishmaniasis. - [Leprosy](/docs/conditions/l/leprosy): Supplements studied for leprosy. - [Leukemia](/docs/conditions/l/leukemia): Supplements studied for leukemia. - [Leukoplakia](/docs/conditions/l/leukoplakia): Supplements studied for leukoplakia. - [Libido](/docs/conditions/l/libido): Supplements studied for libido. - [Lice](/docs/conditions/l/lice): Supplements studied for lice. - [Lichen planus](/docs/conditions/l/lichen-planus): Supplements studied for lichen planus. - [Lipoma](/docs/conditions/l/lipoma): Supplements studied for Lipoma. - [Liver cancer](/docs/conditions/l/liver-cancer): Supplements studied for liver cancer. - [Liver disease](/docs/conditions/l/liver-disease): Supplements studied for liver disease. - [Liver health](/docs/conditions/l/liver-health): Supplements studied for liver health. - [Liver injury](/docs/conditions/l/liver-injury): Supplements studied for liver injury. - [Liver transplantation](/docs/conditions/l/liver-transplantation): Supplements studied for Liver transplantation. - [Longevity](/docs/conditions/l/longevity): Supplements studied for longevity. - [Loss of taste (Hypogeusia)](/docs/conditions/l/loss-of-taste): Supplements studied for loss of taste (hypogeusia). - [Low birth weight](/docs/conditions/l/low-birth-weight): Supplements studied for low birth weight. - [Low blood pressure (Hypotension)](/docs/conditions/l/low-blood-pressure): Supplements studied for Low blood pressure (Hypotension). - [Lower respiratory infection](/docs/conditions/l/lower-respiratory-infection): Supplements studied for Lower respiratory infection. - [Lower respiratory tract infections](/docs/conditions/l/lower-respiratory-tract-infections): Supplements studied for lower respiratory tract infections. - [Lower urinary tract symptoms (LUTS)](/docs/conditions/l/lower-urinary-tract-symptoms): Supplements studied for lower urinary tract symptoms (LUTS). - [Lung cancer](/docs/conditions/l/lung-cancer): Supplements studied for lung cancer. - [Lupus](/docs/conditions/l/lupus): Supplements studied for lupus. - [Lymphedema](/docs/conditions/l/lymphedema): Supplements studied for lymphedema. - M - [Macular telangiectasia type 2](/docs/conditions/m/macular-telangiectasia-type-2): Supplements studied for macular telangiectasia type 2. - [Malaria](/docs/conditions/m/malaria): Supplements studied for malaria. - [Male Infertility](/docs/conditions/m/male-infertility): Supplements studied for male infertility. - [Mastalgia](/docs/conditions/m/mastalgia): Supplements studied for Mastalgia. - [Measles](/docs/conditions/m/measles): Supplements studied for measles. - [Melanoma](/docs/conditions/m/melanoma): Supplements studied for melanoma. - [Melasma](/docs/conditions/m/melasma): Supplements studied for melasma. - [Memory](/docs/conditions/m/memory): Supplements studied for Memory. - [Menopausal symptoms](/docs/conditions/m/menopausal-symptoms): Supplements studied for Menopausal symptoms. - [Menopause](/docs/conditions/m/menopause): Supplements studied for menopause. - [Menorrhagia](/docs/conditions/m/menorrhagia): Supplements studied for menorrhagia. - [Menstrual cramps](/docs/conditions/m/menstrual-cramps): Supplements studied for menstrual cramps. - [Mental alertness](/docs/conditions/m/mental-alertness): Supplements studied for mental alertness. - [Mental impulsivity](/docs/conditions/m/mental-impulsivity): Supplements studied for mental impulsivity. - [Mental resilience](/docs/conditions/m/mental-resilience): Supplements studied for mental resilience. - [Mercury toxicity](/docs/conditions/m/mercury-toxicity): Supplements studied for mercury toxicity. - [Metabolic dysfunction-associated steatotic liver disease (MASLD)](/docs/conditions/m/metabolic-dysfunction-associated-steatotic-liver-disease): Supplements studied for metabolic dysfunction-associated steatotic liver disease (MASLD). - [Metabolic health](/docs/conditions/m/metabolic-health): Supplements studied for metabolic health. - [Metabolic Syndrome](/docs/conditions/m/metabolic-syndrome): Supplements studied for metabolic syndrome. - [Microangiopathy](/docs/conditions/m/microangiopathy): Supplements studied for microangiopathy. - [Microscopic colitis](/docs/conditions/m/microscopic-colitis): Supplements studied for microscopic colitis. - [Migraine headache](/docs/conditions/m/migraine-headache): Supplements studied for Migraine headache. - [Migraine](/docs/conditions/m/migraine): Supplements studied for migraine. - [Mild cognitive impairment (MCI)](/docs/conditions/m/mild-cognitive-impairment): Supplements studied for mild cognitive impairment (MCI). - [Miscarriage](/docs/conditions/m/miscarriage): Supplements studied for miscarriage. - [Mitochondrial Myopathies](/docs/conditions/m/mitochondrial-myopathies): Supplements studied for mitochondrial myopathies. - [Mitochondrial myopathy](/docs/conditions/m/mitochondrial-myopathy): Supplements studied for Mitochondrial myopathy. - [Mood](/docs/conditions/m/mood): Supplements studied for mood. - [Morning sickness](/docs/conditions/m/morning-sickness): Supplements studied for morning sickness. - [Mosquito bites](/docs/conditions/m/mosquito-bites): Supplements studied for Mosquito bites. - [Mosquito repellent](/docs/conditions/m/mosquito-repellent): Supplements studied for Mosquito repellent. - [Motion sickness](/docs/conditions/m/motion-sickness): Supplements studied for motion sickness. - [Mouth sores (Oral leukoplakia)](/docs/conditions/m/mouth-sores-oral-leukoplakia): Supplements studied for Mouth sores (Oral leukoplakia). - [Multiple myeloma](/docs/conditions/m/multiple-myeloma): Supplements studied for Multiple myeloma. - [Multiple organ dysfunction syndrome (MODS)](/docs/conditions/m/multiple-organ-dysfunction-syndrome): Supplements studied for multiple organ dysfunction syndrome (MODS). - [Multiple Sclerosis](/docs/conditions/m/multiple-sclerosis): Supplements studied for multiple sclerosis. - [Muscle Cramps](/docs/conditions/m/muscle-cramps): Supplements studied for muscle cramps. - [Muscle Mass and Strength](/docs/conditions/m/muscle-mass-and-strength): Supplements studied for muscle mass and strength. - [Muscle mass](/docs/conditions/m/muscle-mass): Supplements studied for Muscle mass. - [Muscle recovery](/docs/conditions/m/muscle-recovery): Supplements studied for Muscle recovery. - [Muscle size & strength](/docs/conditions/m/muscle-size-and-strength): Supplements studied for Muscle size & strength. - [Muscle soreness](/docs/conditions/m/muscle-soreness): Supplements studied for Muscle soreness. - [Muscle strength](/docs/conditions/m/muscle-strength): Supplements studied for Muscle strength. - [Muscular Dystrophy](/docs/conditions/m/muscular-dystrophy): Supplements studied for muscular dystrophy. - [Myalgia](/docs/conditions/m/myalgia): Supplements studied for myalgia. - [Myalgic encephalomyelitis](/docs/conditions/m/myalgic-encephalomyelitis): Supplements studied for Myalgic encephalomyelitis. - [Myelodysplastic syndromes](/docs/conditions/m/myelodysplastic-syndromes): Supplements studied for myelodysplastic syndromes. - [Myeloma](/docs/conditions/m/myeloma): Supplements studied for myeloma. - [Myocardial Infarction](/docs/conditions/m/myocardial-infarction): Supplements studied for myocardial infarction. - [Myocarditis](/docs/conditions/m/myocarditis): Supplements studied for myocarditis. - [Myofascial pain syndrome](/docs/conditions/m/myofascial-pain-syndrome): Supplements studied for myofascial pain syndrome. - [Myopia](/docs/conditions/m/myopia): Supplements studied for myopia. - N - [Narcolepsy](/docs/conditions/n/narcolepsy): Supplements studied for narcolepsy. - [Nasopharyngeal cancer](/docs/conditions/n/nasopharyngeal-cancer): Supplements studied for nasopharyngeal cancer. - [Nearsightedness (High myopia)](/docs/conditions/n/nearsightedness): Supplements studied for Nearsightedness (High myopia). - [Neck pain](/docs/conditions/n/neck-pain): Supplements studied for neck pain. - [Necrotising enterocolitis (NEC)](/docs/conditions/n/necrotising-enterocolitis): Supplements studied for necrotising enterocolitis (NEC). - [Neonatal apnea](/docs/conditions/n/neonatal-apnea): Supplements studied for neonatal apnea. - [Neonatal encephalopathy](/docs/conditions/n/neonatal-encephalopathy): Supplements studied for neonatal encephalopathy. - [Neonatal jaundice](/docs/conditions/n/neonatal-jaundice): Supplements studied for neonatal jaundice. - [Neural tube defects](/docs/conditions/n/neural-tube-defects): Supplements studied for neural tube defects. - [Neurasthenia](/docs/conditions/n/neurasthenia): Supplements studied for Neurasthenia. - [Nicotine addiction](/docs/conditions/n/nicotine-addiction): Supplements studied for nicotine addiction. - [Nicotine withdrawal](/docs/conditions/n/nicotine-withdrawal): Supplements studied for Nicotine withdrawal. - [Night vision](/docs/conditions/n/night-vision): Supplements studied for night vision. - [Nipple fissure](/docs/conditions/n/nipple-fissure): Supplements studied for nipple fissure. - [Nitrate tolerance](/docs/conditions/n/nitrate-tolerance): Supplements studied for nitrate tolerance. - [Nocturnal enuresis](/docs/conditions/n/nocturnal-enuresis): Supplements studied for nocturnal enuresis. - [Non-24-hour sleep-wake disorder](/docs/conditions/n/non-24-hour-sleep-wake-disorder): Supplements studied for non-24-hour sleep-wake disorder. - [Non-Hodgkin lymphoma](/docs/conditions/n/non-hodgkin-lymphoma): Supplements studied for non-hodgkin lymphoma. - [Nonalcoholic Fatty Liver Disease (NAFLD)](/docs/conditions/n/nonalcoholic-fatty-liver-disease): Supplements studied for nonalcoholic fatty liver disease (NAFLD). - [Nonalcoholic steatohepatitis (NASH)](/docs/conditions/n/nonalcoholic-steatohepatitis): Supplements studied for nonalcoholic steatohepatitis (NASH). - [Nonmelanoma skin cancer](/docs/conditions/n/nonmelanoma-skin-cancer): Supplements studied for Nonmelanoma skin cancer. - O - [Obesity](/docs/conditions/o/obesity): Supplements studied for obesity. - [Obsessive-compulsive disorder (OCD)](/docs/conditions/o/obsessive-compulsive-disorder): Supplements studied for obsessive-compulsive disorder (OCD). - [Oral cancer](/docs/conditions/o/oral-cancer): Supplements studied for oral cancer. - [Oral candidiasis](/docs/conditions/o/oral-candidiasis): Supplements studied for oral candidiasis. - [Oral health](/docs/conditions/o/oral-health): Supplements studied for oral health. - [Oral leukoplakia](/docs/conditions/o/oral-leukoplakia): Supplements studied for Oral leukoplakia. - [Oral mucositis](/docs/conditions/o/oral-mucositis): Supplements studied for oral mucositis. - [Oral submucous fibrosis](/docs/conditions/o/oral-submucous-fibrosis): Supplements studied for oral submucous fibrosis. - [Oropharyngeal cancer](/docs/conditions/o/oropharyngeal-cancer): Supplements studied for oropharyngeal cancer. - [Orthostatic hypotension](/docs/conditions/o/orthostatic-hypotension): Supplements studied for orthostatic hypotension. - [Osteoarthritis](/docs/conditions/o/osteoarthritis): Supplements studied for osteoarthritis. - [Osteomalacia](/docs/conditions/o/osteomalacia): Supplements studied for osteomalacia. - [Osteopenia](/docs/conditions/o/osteopenia): Supplements studied for osteopenia. - [Osteoporosis](/docs/conditions/o/osteoporosis): Supplements studied for osteoporosis. - [Otitis media (Ear Infection)](/docs/conditions/o/otitis-media): Supplements studied for otitis media (ear infection). - [Ovarian cancer](/docs/conditions/o/ovarian-cancer): Supplements studied for ovarian cancer. - [Overactive bladder](/docs/conditions/o/overactive-bladder): Supplements studied for overactive bladder. - P - [Pain tolerance](/docs/conditions/p/pain-tolerance): Supplements studied for pain tolerance. - [Pain](/docs/conditions/p/pain): Supplements studied for Pain. - [Pancreatic cancer risk](/docs/conditions/p/pancreatic-cancer-risk): Supplements studied for Pancreatic cancer risk. - [Pancreatic cancer](/docs/conditions/p/pancreatic-cancer): Supplements studied for pancreatic cancer. - [Pancreatitis](/docs/conditions/p/pancreatitis): Supplements studied for Pancreatitis. - [Panic disorder](/docs/conditions/p/panic-disorder): Supplements studied for panic disorder. - [Parkinson's disease](/docs/conditions/p/parkinsons-disease): Supplements studied for parkinson's disease. - [Parturition](/docs/conditions/p/parturition): Supplements studied for Parturition. - [Pellagra](/docs/conditions/p/pellagra): Supplements studied for pellagra. - [Periodontitis](/docs/conditions/p/periodontitis): Supplements studied for periodontitis. - [Peripheral arterial disease](/docs/conditions/p/peripheral-arterial-disease): Supplements studied for peripheral arterial disease. - [Peripheral neuropathy](/docs/conditions/p/peripheral-neuropathy): Supplements studied for peripheral neuropathy. - [Peritoneal dialysis](/docs/conditions/p/peritoneal-dialysis): Supplements studied for peritoneal dialysis. - [Persistent depressive disorder](/docs/conditions/p/persistent-depressive-disorder): Supplements studied for persistent depressive disorder. - [Peyronie's Disease](/docs/conditions/p/peyronies-disease): Supplements studied for peyronie's disease. - [Pharyngeal cancer](/docs/conditions/p/pharyngeal-cancer): Supplements studied for pharyngeal cancer. - [Photorefractive keratectomy (PRK)](/docs/conditions/p/photorefractive-keratectomy): Supplements studied for photorefractive keratectomy (PRK). - [Physical fatigue](/docs/conditions/p/physical-fatigue): Supplements studied for Physical fatigue. - [Physical function in older adults](/docs/conditions/p/physical-function): Supplements studied for Physical function in older adults. - [Physical performance](/docs/conditions/p/physical-performance): Supplements studied for Physical performance. - [Pneumonia](/docs/conditions/p/pneumonia): Supplements studied for pneumonia. - [Polycystic ovary syndrome (PCOS)](/docs/conditions/p/polycystic-ovary-syndrome): Supplements studied for polycystic ovary syndrome (PCOS). - [Post-menopausal symptoms](/docs/conditions/p/post-menopausal-symptoms): Supplements studied for Post-menopausal symptoms. - [Post-menopause](/docs/conditions/p/post-menopause): Supplements studied for Post-menopause. - [Post-traumatic stress disorder (PTSD)](/docs/conditions/p/post-traumatic-stress-disorder): Supplements studied for post-traumatic stress disorder (PTSD). - [Postherpetic neuralgia](/docs/conditions/p/postherpetic-neuralgia): Supplements studied for postherpetic neuralgia. - [Postmenopause](/docs/conditions/p/postmenopause): Supplements studied for postmenopause. - [Postoperative chylothorax](/docs/conditions/p/postoperative-chylothorax): Supplements studied for postoperative chylothorax. - [Postoperative ileus](/docs/conditions/p/postoperative-ileus): Supplements studied for postoperative ileus. - [Postoperative nausea and vomiting (PONV)](/docs/conditions/p/postoperative-nausea-and-vomiting): Supplements studied for postoperative nausea and vomiting (PONV). - [Postoperative pain](/docs/conditions/p/postoperative-pain): Supplements studied for postoperative pain. - [Postoperative recovery](/docs/conditions/p/postoperative-recovery): Supplements studied for Postoperative recovery. - [Postpartum complications](/docs/conditions/p/postpartum-complications): Supplements studied for postpartum complications. - [Postpartum depression](/docs/conditions/p/postpartum-depression): Supplements studied for postpartum depression. - [Postural tachycardia syndrome (POTS)](/docs/conditions/p/postural-tachycardia-syndrome): Supplements studied for postural tachycardia syndrome (POTS). - [Pre-eclampsia](/docs/conditions/p/pre-eclampsia): Supplements studied for Pre-eclampsia. - [Precocious puberty](/docs/conditions/p/precocious-puberty): Supplements studied for precocious puberty. - [Pretype-2-diabetes](/docs/conditions/p/prediabetes): Supplements studied for prediabetes. - [Preeclampsia](/docs/conditions/p/preeclampsia): Supplements studied for preeclampsia. - [Pregnancy health](/docs/conditions/p/pregnancy-health): Supplements studied for pregnancy health. - [Pregnancy-induced high-blood-pressure](/docs/conditions/p/pregnancy-induced-hypertension): Supplements studied for pregnancy-induced high-blood-pressure. - [Pregnancy-induced nausea and vomiting](/docs/conditions/p/pregnancy-induced-nausea-and-vomiting): Supplements studied for pregnancy-induced nausea and vomiting. - [Pregnancy outcomes](/docs/conditions/p/pregnancy-outcomes): Supplements studied for Pregnancy outcomes. - [Premature ejaculation](/docs/conditions/p/premature-ejaculation): Supplements studied for premature ejaculation. - [Premature rupture of membranes](/docs/conditions/p/premature-rupture-of-membranes): Supplements studied for premature rupture of membranes. - [Prematurity](/docs/conditions/p/prematurity): Supplements studied for prematurity. - [Premenstrual dysphoric disorder (PMDD)](/docs/conditions/p/premenstrual-dysphoric-disorder): Supplements studied for premenstrual dysphoric disorder (PMDD). - [Premenstrual syndrome (PMS)](/docs/conditions/p/premenstrual-syndrome): Supplements studied for premenstrual syndrome (PMS). - [Preoperative anxiety](/docs/conditions/p/preoperative-anxiety): Supplements studied for preoperative anxiety. - [Pressure ulcers](/docs/conditions/p/pressure-ulcers): Supplements studied for pressure ulcers. - [Preterm birth](/docs/conditions/p/preterm-birth): Supplements studied for preterm birth. - [Preterm labor](/docs/conditions/p/preterm-labor): Supplements studied for preterm labor. - [Primary Dysmenorrhea](/docs/conditions/p/primary-dysmenorrhea): Supplements studied for primary dysmenorrhea. - [Prostate cancer risk](/docs/conditions/p/prostate-cancer-risk): Supplements studied for Prostate cancer risk. - [Prostate cancer](/docs/conditions/p/prostate-cancer): Supplements studied for prostate cancer. - [Prostatitis](/docs/conditions/p/prostatitis): Supplements studied for Prostatitis. - [Pruritus](/docs/conditions/p/pruritus): Supplements studied for Pruritus. - [Psoriasis](/docs/conditions/p/psoriasis): Supplements studied for psoriasis. - [Psychosis](/docs/conditions/p/psychosis): Supplements studied for psychosis. - [Pyridoxine-dependent epilepsy](/docs/conditions/p/pyridoxine-dependent-epilepsy): Supplements studied for pyridoxine-dependent epilepsy. - Q - [Quality of life](/docs/conditions/q/quality-of-life): Supplements studied for Quality of life. - R - [Radiation dermatitis](/docs/conditions/r/radiation-dermatitis): Supplements studied for radiation dermatitis. - [Radiation exposure](/docs/conditions/r/radiation-exposure): Supplements studied for Radiation exposure. - [Radiation fibrosis](/docs/conditions/r/radiation-fibrosis): Supplements studied for radiation fibrosis. - [Radiation-induced diarrhea](/docs/conditions/r/radiation-induced-diarrhea): Supplements studied for radiation-induced diarrhea. - [Radiation-induced sialadenitis](/docs/conditions/r/radiation-induced-sialadenitis): Supplements studied for Radiation-induced sialadenitis. - [Radiation pneumonitis](/docs/conditions/r/radiation-pneumonitis): Supplements studied for Radiation pneumonitis. - [Radiation proctopathy](/docs/conditions/r/radiation-proctopathy): Supplements studied for radiation proctopathy. - [REM sleep behaviour disorder (RBD)](/docs/conditions/r/rem-sleep-behaviour-disorder): Supplements studied for REM sleep behaviour disorder (RBD). - [Renal anemia](/docs/conditions/r/renal-anemia): Supplements studied for renal anemia. - [Renal cell carcinoma](/docs/conditions/r/renal-cell-carcinoma): Supplements studied for renal cell carcinoma. - [Renal osteodystrophy](/docs/conditions/r/renal-osteodystrophy): Supplements studied for renal osteodystrophy. - [Reperfusion injury](/docs/conditions/r/reperfusion-injury): Supplements studied for reperfusion injury. - [Respiratory health](/docs/conditions/r/respiratory-health): Supplements studied for Respiratory health. - [Respiratory tract infection](/docs/conditions/r/respiratory-tract-infection): Supplements studied for Respiratory tract infection. - [Respiratory tract infections](/docs/conditions/r/respiratory-tract-infections): Supplements studied for respiratory tract infections. - [Restless legs syndrome](/docs/conditions/r/restless-legs-syndrome): Supplements studied for restless legs syndrome. - [Retinal vein occlusion](/docs/conditions/r/retinal-vein-occlusion): Supplements studied for retinal vein occlusion. - [Retinitis pigmentosa](/docs/conditions/r/retinitis-pigmentosa): Supplements studied for retinitis pigmentosa. - [Retinopathy of prematurity](/docs/conditions/r/retinopathy-of-prematurity): Supplements studied for retinopathy of prematurity. - [Rett syndrome](/docs/conditions/r/rett-syndrome): Supplements studied for rett syndrome. - [Rheumatoid Arthritis](/docs/conditions/r/rheumatoid-arthritis): Supplements studied for rheumatoid arthritis. - [Rhinosinusitis](/docs/conditions/r/rhinosinusitis): Supplements studied for Rhinosinusitis. - [Riboflavin deficiency](/docs/conditions/r/riboflavin-deficiency): Supplements studied for Riboflavin deficiency. - [Rickets](/docs/conditions/r/rickets): Supplements studied for rickets. - [Rosacea](/docs/conditions/r/rosacea): Supplements studied for rosacea. - S - [Sarcoidosis](/docs/conditions/s/sarcoidosis): Supplements studied for sarcoidosis. - [Sarcopenia](/docs/conditions/s/sarcopenia): Supplements studied for sarcopenia. - [Schizophrenia](/docs/conditions/s/schizophrenia): Supplements studied for schizophrenia. - [Sciatica](/docs/conditions/s/sciatica): Supplements studied for sciatica. - [Scleroderma](/docs/conditions/s/scleroderma): Supplements studied for scleroderma. - [Scurvy](/docs/conditions/s/scurvy): Supplements studied for scurvy. - [Seasonal affective disorder (SAD)](/docs/conditions/s/seasonal-affective-disorder): Supplements studied for seasonal affective disorder (SAD). - [Seborrheic dermatitis](/docs/conditions/s/seborrheic-dermatitis): Supplements studied for seborrheic dermatitis. - [Seborrheic keratosis](/docs/conditions/s/seborrheic-keratosis): Supplements studied for Seborrheic keratosis. - [Seizures](/docs/conditions/s/seizures): Supplements studied for seizures. - [Sepsis](/docs/conditions/s/sepsis): Supplements studied for sepsis. - [Severe acute malnutrition](/docs/conditions/s/severe-acute-malnutrition): Supplements studied for severe acute malnutrition. - [Sexual arousal](/docs/conditions/s/sexual-arousal): Supplements studied for Sexual arousal. - [Sexual dysfunction](/docs/conditions/s/sexual-dysfunction): Supplements studied for sexual dysfunction. - [Shift work sleep disorder](/docs/conditions/s/shift-work-sleep-disorder): Supplements studied for shift work sleep disorder. - [Shingles](/docs/conditions/s/shingles): Supplements studied for shingles. - [Sickle cell disease](/docs/conditions/s/sickle-cell-disease): Supplements studied for sickle cell disease. - [Sideroblastic anemia](/docs/conditions/s/sideroblastic-anemia): Supplements studied for sideroblastic anemia. - [Sinusitis](/docs/conditions/s/sinusitis): Supplements studied for sinusitis. - [Sjogren syndrome](/docs/conditions/s/sjogren-syndrome): Supplements studied for Sjogren syndrome. - [Skin cancer](/docs/conditions/s/skin-cancer): Supplements studied for skin cancer. - [Skin Health and Appearance](/docs/conditions/s/skin-health-and-appearance): Supplements studied for skin health and appearance. - [Skin health](/docs/conditions/s/skin-health): Supplements studied for Skin health. - [Skin wrinkles](/docs/conditions/s/skin-wrinkles): Supplements studied for Skin wrinkles. - [Sleep apnea](/docs/conditions/s/sleep-apnea): Supplements studied for sleep apnea. - [Sleep deprivation](/docs/conditions/s/sleep-deprivation): Supplements studied for sleep deprivation. - [Sleep health](/docs/conditions/s/sleep-health): Supplements studied for Sleep health. - [Sleep](/docs/conditions/s/sleep): Supplements studied for sleep. - [Small intestinal bacterial overgrowth (SIBO)](/docs/conditions/s/small-intestinal-bacterial-overgrowth): Supplements studied for small intestinal bacterial overgrowth (SIBO). - [Smoking cessation](/docs/conditions/s/smoking-cessation): Supplements studied for smoking cessation. - [Social anxiety disorder](/docs/conditions/s/social-anxiety-disorder): Supplements studied for social anxiety disorder. - [Somatic symptom disorder](/docs/conditions/s/somatic-symptom-disorder): Supplements studied for somatic symptom disorder. - [Sperm quality](/docs/conditions/s/sperm-quality): Supplements studied for sperm quality. - [Statin-induced myalgia](/docs/conditions/s/statin-induced-myalgia): Supplements studied for statin-induced myalgia. - [Stillbirth](/docs/conditions/s/stillbirth): Supplements studied for stillbirth. - [Stomach cancer risk](/docs/conditions/s/stomach-cancer-risk): Supplements studied for Stomach cancer risk. - [Stomach cancer](/docs/conditions/s/stomach-cancer): Supplements studied for stomach cancer. - [Stomach Ulcers](/docs/conditions/s/stomach-ulcers): Supplements studied for stomach ulcers. - [Stress](/docs/conditions/s/stress): Supplements studied for stress. - [Stretch marks](/docs/conditions/s/stretch-marks): Supplements studied for stretch marks. - [Stroke](/docs/conditions/s/stroke): Supplements studied for stroke. - [Subarachnoid hemorrhage](/docs/conditions/s/subarachnoid-hemorrhage): Supplements studied for subarachnoid hemorrhage. - [Sunburn](/docs/conditions/s/sunburn): Supplements studied for sunburn. - [Surgery recovery](/docs/conditions/s/surgery-recovery): Supplements studied for Surgery recovery. - [Surgical recovery](/docs/conditions/s/surgical-recovery): Supplements studied for Surgical recovery. - [Surgical scars](/docs/conditions/s/surgical-scars): Supplements studied for surgical scars. - [Systemic lupus erythematosus (SLE)](/docs/conditions/s/systemic-lupus-erythematosus): Supplements studied for Systemic lupus erythematosus (SLE). - T - [Tardive dyskinesia](/docs/conditions/t/tardive-dyskinesia): Supplements studied for tardive dyskinesia. - [Temporomandibular disorders (TMD)](/docs/conditions/t/temporomandibular-disorders): Supplements studied for temporomandibular disorders (TMD). - [Tension headache](/docs/conditions/t/tension-headache): Supplements studied for tension headache. - [Testosterone](/docs/conditions/t/testosterone): Supplements studied for testosterone. - [Thrombocytopenia](/docs/conditions/t/thrombocytopenia): Supplements studied for thrombocytopenia. - [Thyroid cancer](/docs/conditions/t/thyroid-cancer): Supplements studied for thyroid cancer. - [Thyroid function](/docs/conditions/t/thyroid-function): Supplements studied for Thyroid function. - [Tinea](/docs/conditions/t/tinea): Supplements studied for tinea. - [Tinnitus (Ear ringing)](/docs/conditions/t/tinnitus): Supplements studied for tinnitus (ear ringing). - [Tonsillitis](/docs/conditions/t/tonsillitis): Supplements studied for tonsillitis. - [Tooth loss](/docs/conditions/t/tooth-loss): Supplements studied for tooth loss. - [Tourette syndrome](/docs/conditions/t/tourette-syndrome): Supplements studied for tourette syndrome. - [Trachoma](/docs/conditions/t/trachoma): Supplements studied for trachoma. - [Transurethral resection of the prostate (TURP)](/docs/conditions/t/transurethral-resection-of-the-prostate): Supplements studied for transurethral resection of the prostate (TURP). - [Traumatic brain injury (TBI)](/docs/conditions/t/traumatic-brain-injury): Supplements studied for traumatic brain injury (TBI). - [Traumatic ulcers](/docs/conditions/t/traumatic-ulcers): Supplements studied for traumatic ulcers. - [Trichotillomania](/docs/conditions/t/trichotillomania): Supplements studied for trichotillomania. - [Tuberculosis](/docs/conditions/t/tuberculosis): Supplements studied for tuberculosis. - [Type 1 type-2-diabetes](/docs/conditions/t/type-1-diabetes): Supplements studied for type 1 type-2-diabetes. - [Type 2 Diabetes](/docs/conditions/t/type-2-diabetes): Supplements studied for type 2 type-2-diabetes. - U - [Ulcerative Colitis](/docs/conditions/u/ulcerative-colitis): Supplements studied for ulcerative colitis. - [Unstable angina](/docs/conditions/u/unstable-angina): Supplements studied for unstable angina. - [Upper respiratory tract infection (URTI)](/docs/conditions/u/upper-respiratory-tract-infection): Supplements studied for upper respiratory tract infection (URTI). - [Upper respiratory tract infections](/docs/conditions/u/upper-respiratory-tract-infections): Supplements studied for Upper respiratory tract infections. - [Uremic pruritus](/docs/conditions/u/uremic-pruritus): Supplements studied for uremic pruritus. - [Urinary incontinence](/docs/conditions/u/urinary-incontinence): Supplements studied for urinary incontinence. - [Urinary tract infection (UTI)](/docs/conditions/u/urinary-tract-infection): Supplements studied for urinary tract infection (UTI). - [Urinary tract infections (UTIs)](/docs/conditions/u/urinary-tract-infections): Supplements studied for Urinary tract infections (UTIs). - [Uterine fibroids](/docs/conditions/u/uterine-fibroids): Supplements studied for uterine fibroids. - [UV-induced skin damage](/docs/conditions/u/uv-induced-skin-damage): Supplements studied for uv-induced skin damage. - [Uveitis](/docs/conditions/u/uveitis): Supplements studied for uveitis. - V - [Vaginal atrophy](/docs/conditions/v/vaginal-atrophy): Supplements studied for vaginal atrophy. - [Vaginal candidiasis](/docs/conditions/v/vaginal-candidiasis): Supplements studied for vaginal candidiasis. - [Vaginal health](/docs/conditions/v/vaginal-health): Supplements studied for Vaginal health. - [Vaginal yeast infections](/docs/conditions/v/vaginal-yeast-infections): Supplements studied for vaginal yeast infections. - [Vaginitis](/docs/conditions/v/vaginitis): Supplements studied for vaginitis. - [Vascular dementia](/docs/conditions/v/vascular-dementia): Supplements studied for vascular dementia. - [Vasospastic angina](/docs/conditions/v/vasospastic-angina): Supplements studied for vasospastic angina. - [Vegan diet](/docs/conditions/v/vegan-diet): Supplements studied for Vegan diet. - [Ventilator-associated pneumonia](/docs/conditions/v/ventilator-associated-pneumonia): Supplements studied for ventilator-associated pneumonia. - [Ventricular Arrhythmia](/docs/conditions/v/ventricular-arrhythmia): Supplements studied for ventricular arrhythmia. - [Ventricular arrhythmias](/docs/conditions/v/ventricular-arrhythmias): Supplements studied for Ventricular arrhythmias. - [Vertigo](/docs/conditions/v/vertigo): Supplements studied for vertigo. - [Visual development](/docs/conditions/v/visual-development): Supplements studied for Visual development. - [Vitamin A deficiency](/docs/conditions/v/vitamin-a-deficiency): Supplements studied for Vitamin A deficiency. - [Vitamin B12 deficiency](/docs/conditions/v/vitamin-b12-deficiency): Supplements studied for Vitamin B12 deficiency. - [Vitamin D deficiency](/docs/conditions/v/vitamin-d-deficiency): Supplements studied for Vitamin D deficiency. - [Vitiligo](/docs/conditions/v/vitiligo): Supplements studied for vitiligo. - W - [Warts](/docs/conditions/w/warts): Supplements studied for warts. - [Wasting Syndrome](/docs/conditions/w/wasting-syndrome): Supplements studied for wasting syndrome. - [Weight Loss](/docs/conditions/w/weight-loss): Supplements studied for weight loss. - [Wheezing](/docs/conditions/w/wheezing): Supplements studied for wheezing. - [Wilson's Disease](/docs/conditions/w/wilsons-disease): Supplements studied for wilson's disease. - [Wound healing](/docs/conditions/w/wound-healing): Supplements studied for wound healing. - [Wrinkles](/docs/conditions/w/wrinkles): Supplements studied for wrinkles. - X - Y - Z