Zyrex Soya isoflavon Extract Powder Pack Of 100 Gram Powder

While soybeans have the highest level of isoflavones, herbal sources like red clover (Trifolium pratense) and alfalfa (Medicago sativa) are also rich in isoflavones. Like soy, red clover is considered a legume that contains phytoestrogens. In their most common form, soy isoflavones include: Genistein.