Randomized Trialhigh evidence
Acute phenylcapsaicin supplementation improves CrossFit® performance: a randomized, triple-blind, placebo-controlled crossover trial.
Journal of the International Society of Sports Nutrition·December 31, 2026·PMID 41536004
Why it mattersPhenylcapsaicin may offer a novel, non-stimulant ergogenic aid for high-intensity functional training by enhancing strength-endurance and reducing muscle soreness without altering perceived exertion or metabolic markers.
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