2011
DOI: 10.1249/mss.0b013e31822495a7
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Quercetin and Endurance Exercise Capacity

Abstract: On average, quercetin provides a statistically significant benefit in human endurance exercise capacity (VO(2max) and endurance exercise performance), but the effect is between trivial and small. Experimental factors that explain the between-study variation remain to be elucidated.

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Cited by 94 publications
(56 citation statements)
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“…Thus, in many studies “large” doses of such products are used. A meta-analysis of 11 studies using quercetin was recently reported 25 . The effect sizes calculated for all studies combining VO 2 max and endurance performance measures indicated a significant effect favoring quercetin over placebo, but the magnitude of the effect was considered between trivial and small, equating to a ∼2% improvement.…”
Section: Discussionmentioning
confidence: 99%
“…Thus, in many studies “large” doses of such products are used. A meta-analysis of 11 studies using quercetin was recently reported 25 . The effect sizes calculated for all studies combining VO 2 max and endurance performance measures indicated a significant effect favoring quercetin over placebo, but the magnitude of the effect was considered between trivial and small, equating to a ∼2% improvement.…”
Section: Discussionmentioning
confidence: 99%
“…The supplement did not fortify plasma antioxidant levels against ultramarathon-induced oxidative stress in blood plasma or improve performance. This being said, a 2011 meta analysis by Kressler et al [194] encompassing the above research concluded that quercetin supplementation can improve human endurance exercise capacity in a small but significant magnitude (~3%). Based on data showing favorable outcomes for supplemental quercetin [162164], a daily dosage of 1000 mg could have small potential benefits and is unlikely to be detrimental for ultra-endurance trained populations.…”
Section: Reviewmentioning
confidence: 99%
“…A recent meta-analysis provides a thorough summary of 11 different studies [52]. Of these, three peer-reviewed studies measured changes in V O 2max , and although mean changes indicated improvements ranging from 2.3 to 7.5 %, the changes were not all statistically significantly different from placebo.…”
Section: Polyphenol Supplementation and Exercisementioning
confidence: 99%
“…It is important that two studies reviewed by Kressler et al [52] were only available in abstract format (and thus are not cited here), but neither showed any improvement in V O 2max . It should be considered problematical if non-significant results are not published (it is not possible to determine if the data contained in the abstract were never submitted or if they were not considered by referees to be of sufficient quality for one reason or another).…”
Section: Polyphenol Supplementation and Exercisementioning
confidence: 99%