Endocrine Support 60 mg of Isoflavones Cardiovascular Health Non-GMO A Dietary Supplement Vegetarian/Vegan General Health Family Owned Since 1968 GMP - Quality Assured Isoflavones are naturally occurring plant compounds that are particularly concentrated in soybeans. Genistein, Daidzein and Glycitein are the major Isoflavones found in soybeans. NOW Soy Isoflavones have been extracted through a unique process that results in higher levels of Genistein – a quantum leap over most Soy Isoflavone products.