What is "isoflavones"

n. (plural of isoflavone English)

Isoflavones are a type of often naturally occurring isoflavonoids, many of which act as phytoestrogens in mammals. Some are termed antioxidants because of their ability to trap singlet oxygen. Isoflavones are produced almost exclusively by the members of the Fabaceae (i.e., Leguminosae, or bean) family.

Isoflavones (and closely related phytoestrogens) have grown popular as dietary supplements, but there are few studies showing any benefits from these compounds. Some studies have also identified potential risks from high intake of isoflavones, such as in women with a history of breast cancer, but this concern has not been substantiated with high-quality clinical research.