Daily supplementation of 500 mg quercetin, containing the bioavailable amount of quercetin as present in approximately 100 g red onion, for 4 weeks, significantly reduces elevated plasma uric acid concentration in healthy males (by -26·5 µmol/l). Quercetin, a flavonoid found in high levels in onion, tea and apple, inhibits xanthine oxidoreductase in vitro, the final step in intracellular uric acid production,

Anton Tryam ranked added it 1 year ago on Oct 19, 2019