beta-sitosterol

noun

beta-si·​tos·​ter·​ol

variants also β-sitosterol

-sī-ˈtäs-tə-ˌrȯl, -ˌrōl 

: a sterol widespread in plant products (as wheat germ, soybeans, and corn oil) that is used in dietary supplements and is held to lower cholesterol levels and relieve symptoms of benign prostatic hyperplasia