The effects of quercetin supplementation on body composition, exercise performance and muscle damage indices in athletes.

Background: Flavonoids comprise a large group of plant metabolites, 6,000 of which have been identified to date. Some studies have shown the increased aerobic performance and maximal oxygen consumption (VO(2max)) and therefore fitness following quercetin intake as a result of elevated number of intracellular mitochondria caused by the flavonoid.

Methods: This double-blind clinical trial comprised 60 male students having an athletic history of at least 3 years.