Narcolepsy
Supplements studied for narcolepsy.
Overview
Evidence for narcolepsy supplements is limited and low-rated. Tyrosine (WA 32; very low effect size, low evidence, medium trust) may slightly reduce tiredness in one small study but did not improve muscle weakness, sleep, or attention. Caffeine (WA 40; low effect size, evidence, and trust) may improve alertness and reduce eye-closure time from sleepiness, though evidence is sparse and caffeine is not a primary narcolepsy treatment. L-Carnitine (WA 44; low effect size, low evidence, medium trust) reduced total daytime dozing by about nine minutes in one eight-week trial but did not affect nap frequency or overall sleepiness.
None of these supplements has strong support for narcolepsy. The heatmap and evidence reviews below summarize the available trials.
Effect graph
Relevant supplements
Relevant supplements sorted by DEX Score.
Studies
Find individual evidence reviews for supplements sorted by DEX Score.
3 supplements for and rated at least stars. All purchase bands. No minimum star filter.
Evidence visualised
Same ratings as above, aggregated so you can see coverage and imbalance.