Daidzein belongs to the isoflavone clavonoids.it is also classifled as a phytoestrogen since it is a plant-derived nonsteroidal compound that possesses estrogen-like biological activity.Daidzein has been found to have both weak estrogenic and anti-estrogenic effects. Daidzein is the aglycone(aglucon) of daidzein.The isoflavone is found naturally as the glycosides 6"-O-malonylgenistin and 6"-O-acetyldaidzin. Daidzein and its glycosides are mainly found in legumes, such as soybeans and chickpeas. Soybeans and soy foods are the major dietary sources of these substances. Daidzein glycosides are the second most abundant isoflavones in soybeans and soy foods; genistein glycosides are the mostabundant.Nonfermented soy foods, such as tofu, contain daidzein, principally in its glycoside forms. Fermented soy foods, such as tempeh and miso, contain significant levels of the aglycone. 1. Souce a.Plant Extract b.Organic Synthesis 2. Pharmacology Antimicrobial activity, antiarrhythmia activity and anti-hypoxia activity, could prolong obviously the living time of mice under the normal pressure and hypoxia. Daidzein has effects on increasing avoirdupois of immunity organ. Estrogen-like activities , curative activity of menopausal syndrome and anti-osteoporosis. Antiestrogen activity to prevent mammary cancer and endometritis 3.Functiona.It is used to treat climacteric syndrome.prostatic cancer .cardiac disease and angiocardiopathy. b.Lower blood pressure and so on. If you are interested in our product,please don’t hesitate to contact me. Thanks and best regards!