Daidzein (phytoestrogen) is isoflavone (7-glucoside-daidzein) occurring in the seed (Semen sojae) of soybean (Soja hispida), processed by enzymes and intestinal flora and liver. It is an antioxidant. It can affect women's hormonal disorders (mimics the action of estrogen) and men with benign prostatic hyperplasia. Included in the herbal healing of men and women hormonal disorders