yohimbe
(yoh-HIM-bay)
A tree native to West Africa. The bark is used as a supplement for bodybuilding and to enhance male sexual performance. It contains the chemical yohimbine, which is being studied in the treatment of sexual dysfunction. It may interact with certain drugs used to treat depression, high blood pressure, and high blood sugar. The scientific name is Pausinystalia yohimbe. Also called johimbe.