Chrysin is a flavonoid that occurs naturally in plants such as passionflower, silver linden, and in honey and bee propolis. Athletes are particulary interested in Chrysin as it has potential to effect testosterone levels. Chrysin appears to increase glucuronidation by inducing UDP-glucuronosyltransferase. This could lead to a reduction of the bioavailablitity of dietary carcinogens. Chrysin possesses antioxidant activity as well, blocking xanthine oxidase.
At the time, there have been no reported adverse reactions to Chrysin.
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