Randomized Trialhigh evidence
Quercetin prophylaxis in prevention of acute mountain sickness (AMS): a randomized, double blind, placebo controlled phase-II clinical trials.
European journal of nutrition·July 11, 2026·PMID 42435069
Why it mattersAMS impairs physical performance and acclimatization at altitude, limiting training, competition, and occupational function. A safe, food-based prophylactic that reduces AMS risk while improving oxygenation and hemodynamics could support altitude readiness in athletes, military personnel, and high-altitude workers.
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