Beta thalassemia
Supplements studied for beta thalassemia.
Overview
Nine supplements are indexed for beta thalassemia across 18 studies.
Vitamin E (WA 56; medium effect size, low evidence, medium trust) may help children with low vitamin E levels, improving red blood cell membrane problems and markers of hemolysis in small trials. L-Carnitine (WA 52; low effect size, high evidence, medium trust), Milk Thistle/silymarin (WA 52), Alpha-Lipoic Acid (WA 44; low effect size, low evidence, medium trust), and Green Tea (WA 44; low effect size, low evidence, medium trust) have weaker evidence—some suggesting possible benefits for iron overload, heart function, or blood counts when combined with standard chelation, but findings are inconsistent.
Most data come from small studies. See the heatmap and evidence reviews below for all nine supplements.
Effect graph
Relevant supplements
Relevant supplements sorted by DEX Score.
| Vitamin E | ★★★★★ | Medium |
| Milk Thistle | ★★★★★ | Low |
| L-Carnitine | ★★★★★ | Low |
| Quercetin | ★★★★★ | Low |
| Green Tea | ★★★★★ | Low |
| Alpha-Lipoic Acid | ★★★★★ | Low |
| Vitamin K | ★★★★★ | Low |
| Vitamin B9 (Folate) | ★★★★★ | Low |
| Resveratrol | ★★★★★ | Very Low / None |
Studies
Find individual evidence reviews for supplements sorted by DEX Score.
9 supplements for and rated at least stars. All purchase bands. No minimum star filter.
Vitamin EView supplement →
Reconsider purchase·★★★★★
How we scored this▸
- Vitamin E taken by mouth may help children with beta-thalassemia who have low vitamin E levels.
- One study found vitamin E improved red blood cell membrane problems.
- Another study showed that giving children vitamin E doses based on their age for 4 weeks increased a blood protein (haptoglobin) that suggests less red blood cell breakdown.
Browse 2 studies
RCTEffects of α-tocopherol on hemolysis and oxidative stress markers on red blood cells in β-thalassemia major2020n=40
In a 4-week RCT of 40 children with β-thalassemia major, age-based α-tocopherol doses improved plasma haptoglobin but did not significantly change oxidative stress markers or osmotic fragility.
- Effect
- No Benefit
- Dose
- 200 mg/day
- Population
- Patients
- Participants
- 40
- Ages
- 4–8
Controlled trialVitamin E status, glutathione peroxidase activity and the effect of vitamin E supplementation in children with thalassemia1993
In vitamin E-deficient thalassemic children, 200 mg/day for 4–8 weeks raised plasma vitamin E, reduced H2O2 hemolysis, and lowered RBC GSH-Px activity without significant hematocrit change.
- Effect
- Benefit
- Duration
- 4–8 weeks
- Dose
- 200 mg/day
- Population
- Children/adolescents
L-CarnitineView supplement →
Reconsider purchase·★★★★★
How we scored this▸
- Some small studies suggest that L‑carnitine may help children and adults with different forms of beta‑thalassemia.
- In children with the severe form (beta‑thalassemia major), daily L‑carnitine for several months improved heart function, exercise capacity, and progression through puberty.
- In adults with beta‑thalassemia intermedia, L‑carnitine taken with hydroxyurea improved blood counts and heart measures.
- In both children and adults with beta‑thalassemia, some studies showed L‑carnitine helped improve heart structure and function, although not all blood measures changed.
- In children with the mild form (beta‑thalassemia minor), L‑carnitine, with or without folic acid, reduced bone pain and improved physical ability, such as the number of stairs they could climb.
Browse 6 studies
RCTThe Effects of L-Carnitine on Echocardiographic Changes in Patients With β-Thalassemia Major and Intermedia2020
In β-thalassemia major patients, L-carnitine 1 g/day improved echocardiographic parameters and reduced heart failure markers versus baseline over 6 months.
- Effect
- Benefit
- Duration
- 6 months
- Dose
- 1 g/day
- Population
- Heart failure patients
Clinical trialDetermining and surveying the role of carnitine and folic acid to decrease fatigue in β-thalassemia minor subjects2013
In β-thalassemia minor patients, carnitine plus folic acid for 3 months reduced fatigue severity versus baseline in a clinical evaluation.
- Effect
- Benefit
- Duration
- 3 months
- Dose
- 1 mg/day
- Population
- Beta-thalassemia minor patients
- Avg age
- ~11
RCTEffect of combination therapy of hydroxyurea with L-carnitine and magnesium chloride on hematologic parameters and cardiac function of patients with beta-thalassemia intermedia2010n=20
In 20 β-thalassemia/HbE patients, combined hydroxyurea with L-carnitine and magnesium for 6 months improved hemoglobin and oxidative stress markers versus hydroxyurea alone.
- Effect
- Benefit
- Duration
- 6 months
- Population
- Beta-thalassemia intermedia patients
- Participants
- 20
Clinical trialAssessment of puberty in relation to L-carnitine and hormonal replacement therapy in beta-thalassemic patients2008
In thalassemic patients with delayed puberty, L-carnitine plus hormonal therapy improved pubertal progression versus hormonal therapy alone over 1 year.
- Effect
- Benefit
- Duration
- 1 year
- Population
- Children/adolescents
Pulmonary hypertension in beta-thalassemia major and the role of L-carnitine therapy2008n=32
In 32 β-thalassemia major patients, L-carnitine 2 g/day for 6 months reduced pulmonary artery pressure versus baseline alongside standard chelation.
- Effect
- Benefit
- Duration
- 6 months
- Dose
- 2 g/day
- Population
- Children/adolescents
- Participants
- 32
RCTEffect of L-carnitine on the physical fitness of thalassemic patients2007n=30
In 30 thalassemic patients, L-carnitine 50 mg/kg/day for 3 months improved physical fitness scores versus baseline.
- Effect
- Benefit
- Duration
- 3 months
- Dose
- 50 mg/kg
- Population
- Children/adolescents
- Participants
- 30
Milk ThistleView supplement →
Reconsider purchase·★★★★★
How we scored this▸
- Research suggests that taking silymarin, a natural component of milk thistle, together with standard iron-removing medicines can help lower iron levels in people with beta-thalassemia, a blood disorder.
- Some studies show that combining silymarin with certain iron chelation drugs works better than the drugs alone.
- However, one shorter study did not find this benefit.
- Silymarin does not seem to change other iron measures in the body, but it may be a useful addition to regular treatment to reduce iron overload safely.
Browse 4 studies·2 meta-analyses
MetaCoadministration of silymarin with iron chelators in transfusion-dependent β-thalassemia patients: a systematic review and meta-analysis for effect on iron overload2021n=477
A meta-analysis of 8 RCTs (477 transfusion-dependent β-thalassemia patients) found adding silymarin to iron chelators lowered serum ferritin but did not significantly reduce liver iron concentration.
- Effect
- No Benefit
- Population
- Transfusion-dependent β-thalassemia patients
- Participants
- 477
MetaEfficacy and safety of iron chelators in thalassemia and sickle cell disease: a multiple treatment comparison network meta-analysis and trial sequential analysis2018
A network meta-analysis of iron chelator trials found combining silymarin with deferiprone or deferasirox was associated with greater reductions in end-of-treatment serum ferritin.
- Effect
- Benefit
- Population
- Thalassemia and sickle cell disease patients
RCTA randomized double-blind, placebo-controlled study of therapeutic effects of silymarin in β-thalassemia major patients receiving desferrioxamine2013n=48
An RCT of 97 β-thalassemia major patients found adding silymarin to desferrioxamine for 9 months significantly reduced serum ferritin and improved liver function vs placebo.
- Effect
- Benefit
- Duration
- 9 months
- Population
- β-thalassemia major patients
- Participants
- 48
RCTCombined therapy of silymarin and desferrioxamine in patients with beta-thalassemia major: a randomized double-blind clinical trial2009
An RCT of 59 β-thalassemia major patients found silymarin 140 mg three times daily plus desferrioxamine for 3 months reduced serum ferritin and improved red cell glutathione vs desferrioxamine alone.
- Effect
- Benefit
- Duration
- 3 months
- Dose
- 140 mg
- Population
- β-thalassemia major patients
Alpha-Lipoic AcidView supplement →
Reconsider purchase·★★★★★
How we scored this▸
- It is not clear if taking alpha-lipoic acid helps reduce iron buildup in beta-thalassemia major.
- In one small study, people taking 600 mg daily with their iron treatment lowered blood iron levels more than those taking placebo.
- The study was small and preliminary.
Browse 1 study
RCTEffects of alpha lipoic acid on iron overload, lipid profile and oxidative stress indices in β-thalassemia major patients: A cross-over randomised controlled clinical trial2021
8-week cross-over RCT in 26 beta-thalassemia major patients given 600 mg/day ALA lowered serum ferritin and malondialdehyde and raised HDL versus placebo, especially in women.
- Effect
- Benefit
- Duration
- 8 weeks
- Dose
- 600 mg/day
- Population
- Women
Green TeaView supplement →
Reconsider purchase·★★★★★
How we scored this▸
- In people with beta-thalassemia who get blood transfusions and iron removal treatment, drinking 3 cups of green tea daily for a year helped lower iron levels in the liver and blood more than treatment alone.
- It did not change their blood hemoglobin levels.
- But more research is needed.
Browse 1 study
RCTGreen tea influence on iron overload in thalassemia intermedia patients: a randomized controlled trial2020n=29
In an RCT of 68 thalassemia intermedia patients, green tea reduced serum ferritin and improved iron overload markers versus control over the study period.
- Effect
- Benefit
- Duration
- 12 months
- Dose
- 7.3 mg/day
- Population
- Adults
- Participants
- 29
QuercetinView supplement →
Reconsider purchase·★★★★★
How we scored this▸
- It is unclear if taking quercetin helps people with beta-thalassemia.
- Early studies show that taking 500 mg daily for 12 weeks lowered iron and ferritin levels, increased transferrin, and reduced transferrin saturation in patients who need frequent blood transfusions.
- This may mean quercetin helps reduce iron overload, a common problem in these patients.
- More research is needed.
Browse 1 study
RCTThe effect of quercetin on iron overload and inflammation in β-thalassemia major patients: A double-blind randomized clinical trial2019n=42
In 84 beta-thalassemia major patients, quercetin 500 mg/day for 12 weeks lowered hs-CRP, iron, ferritin, and transferrin saturation and raised transferrin versus placebo.
- Effect
- Benefit
- Duration
- 12 weeks
- Dose
- 500 mg/day
- Population
- Patients with β-thalassemia major
- Participants
- 42
Vitamin B9 (Folate)View supplement →
Reconsider purchase·★★★★★
How we scored this▸
- There is limited evidence about taking folic acid by mouth for beta-thalassemia minor, a mild blood disorder.
- People with this condition might feel weaker and have more bone or muscle pain.
- A small study in children found that taking folic acid daily, sometimes with L-carnitine, helped reduce bone pain and improve how many stairs they could climb.
- Doctors often recommend folic acid to help make healthy red blood cells, especially if anemia is mild.
- However, high doses might not always be needed if patients receive regular blood transfusions.
- Folic acid is usually given to support overall health alongside other treatments.
Browse 1 study
Clinical trialDetermining and surveying the role of carnitine and folic acid to decrease fatigue in β-thalassemia minor subjects2013
In β-thalassemia minor patients, carnitine plus folic acid for 3 months reduced fatigue severity versus baseline in a clinical evaluation.
- Effect
- Benefit
- Duration
- 3 months
- Dose
- 1 mg/day
- Population
- Beta-thalassemia minor patients
- Avg age
- ~11
Vitamin KView supplement →
Reconsider purchase·★★★★★
How we scored this▸
- Early research shows that taking vitamin K2 (MK-7) 50 mcg daily along with vitamin D3 (5 mcg) for one year slightly improves bone strength in the lower back in children with beta-thalassemia aged 3 to 18 years.
- It is unknown if this change is due to vitamin K2, vitamin D3, or both together.
Browse 1 study
Clinical trialThe efficacy of vitamin K2 and calcitriol combination on thalassemic osteopathy2013
In a clinical trial in children/adolescents, 50 mcg menaquinone-7 + 5 mcg calcitriol/day, for 1 year, further studies on a large number of participants are necessary to highlight the effect of vitamin K2 on TOSP.
- Effect
- Benefit
- Duration
- 1 year
- Dose
- 50 mcg menaquinone-7 + 5 mcg calcitriol/day
- Population
- Children/adolescents
- Ages
- 3–18
ResveratrolView supplement →
Do not purchase·★★★★★
How we scored this▸
- It is uncertain if taking resveratrol helps people with beta-thalassemia.
- In a small study, patients took a form of resveratrol with another compound, piperine, daily for six months.
- This did not improve blood hemoglobin levels or reduce the need for blood transfusions.
Browse 1 study
RCTEfficacy and safety of resveratrol, an oral hemoglobin F-augmenting agent, in patients with beta-thalassemia intermedia2018n=54
In 54 beta-thalassemia intermedia patients over 6 months, resveratrol did not significantly improve hemoglobin F levels versus hydroxyurea or placebo.
- Effect
- No Benefit
- Duration
- 6 months
- Population
- Patients with beta-thalassemia intermedia
- Participants
- 54
- Ages
- 18–42
Evidence visualised
Same ratings as above, aggregated so you can see coverage and imbalance.
| Supplement | DEX | Studies | Meta-analyses | Share |
|---|---|---|---|---|
| L-Carnitine | ★★★★★52% | 6 | 0 | 33% |
| Milk Thistle | ★★★★★52% | 4 | 2 | 22% |
| Vitamin E | ★★★★★56% | 2 | 0 | 11% |
| Alpha-Lipoic Acid | ★★★★★44% | 1 | 0 | 6% |
| Green Tea | ★★★★★44% | 1 | 0 | 6% |
| Quercetin | ★★★★★44% | 1 | 0 | 6% |
| Resveratrol | ★★★★★32% | 1 | 0 | 6% |
| Vitamin B9 (Folate) | ★★★★★40% | 1 | 0 | 6% |
| Vitamin K | ★★★★★40% | 1 | 0 | 6% |