Antioxidant that aids in protecting cells from the damaging effects of free radicals.*. What is chrysin? Chrysin (57-dihydroxyflavone) also known as Flavone X is a type of isoflavone molecule extracted from the Passiflora caerula plant a member of the passion flower family. Chrysin is considered a phytoestrogen with antioxidant properties.*.  . How does Vitacost Chrysin support health? Chrysin appears to have a beneficial effect on the aromatase enzyme that converts testosterone into estrogen.*. Consequently chrysin is popular among male athletes because it may promote healthy testosterone and estrogen levels.*. Why choose Vitacost Chrysin? Contains a high dose of 1000 mg of chrysin per two-capsule serving. Is available for a better value than other chrysin products on the market. About Vitacost. Vitacost nutritional products are manufactured to high standards of quality efficacy and safety. Each Vitacost product meets or exceeds the standards and requirements set forth in the FDA’s Code of Federal Regulation (21 CFR 111) Current Good Manufacturing Practices (CGMP).  .  .  *These statements have not been evaluated by the Food and Drug Administration.  This product is not intended to diagnose treat cure or prevent any disease.