Quercetin and endurance exercise capacity: a systematic review and meta-analysis
Kressler J, Millard-Stafford M, Warren GL
Published in Medicine and Science in Sports and Exercise
Methodology
Random-effects meta-analysis of 11 trials, median dose 1000 mg/day, median duration 11 days
Key Findings
Combined effect on VO2max and endurance performance favoured quercetin (ES 0.15, 95% CI 0.02-0.27), equal to roughly a 2% improvement over placebo.
Conclusions
Quercetin produces a statistically significant but trivial-to-small improvement in endurance exercise capacity.
Limitations
Effect size is of marginal practical importance; short supplementation periods; mostly trained or recreationally active subjects.
Supplements Studied
indicates a significant effect favoring quercetin over placebo (ES = 0.15), but the magnitude of effect is considered between trivial and small
Study Details
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