soy beansThis fact sheet provides basic information about soy—uses, potential side
effects, and resources for more information. Soy, a plant in the pea family, has
been common in Asian diets for thousands of years. It is found in modern
American diets as a food or food additive. Soybeans, the high-protein seeds of
the soy plant, contain isoflavones-compounds similar to the female hormone
estrogen. The following information highlights what is known about soy when used
by adults for health purposes.

Common Names—soy