Certified Potency Standardized Extracts Natural Phyto Estrogen Support for Women 40 mg Isoflavones per Capsule Herbal SupplementCertified Potency Red Clover-Power is a premium blend of Red Clover Extract (standardized for 4% [16 mg] Isoflavones) and Soy Extract (standardized for 40% [24 mg] Isoflavones) for a combined total of 40 mg Isoflavone phyto estrogens per capsule. Based on the latest scientific evidence about the importance of Isoflavones in human nutrition, Red Clover-Power contains all the significant Isoflavones, including Biochanin A, Genistein,Daidzein and Formononetin. Certified Potency® is your guarantee of dependable consistent quality and potency in every capsule every time! Only from Nature"s Herbs. Our Exclusive Freshcare® System inhibits normal plant oxidation, maintaining product potency and extending freshness. It includes all-natural antioxidants in each capsule, oxygen-absorbing packets in each bottle, special air-tight seals and amber glass packaging for uncompromised quality.