Common Name Standardized: yohimbeOther: johimbe Botanical Name Pausinystalia johimbe (K. Schum.) Pierre ex BeillePlant Family: Rubiaceae Synonyms Corynanthe johimbe Overview IntroductionYohimbe is a small evergreen tree native to central Africa, primarily in the nations of Cameroon, Gabon, and Zaire. The terms yohimbine, yohimbine hydrochloride, and yohimbe bark extract are related but different. Yohimbe refers to the herb. Yohimbine refers to the active chemical found not only in yohimbe but also in Indian snakewood, periwinkle, quebracho, and niando.ConstituentsAjmaline, corynantheine, corynanthene, quebrachin, tannins, yohimbine.Parts UsedDried bark, ground before use.Typical PreparationsTraditionally used as a tincture. Unlike chopped bark, the powder does not require an acid (such as lemon juice) to be added to the water with which the tincture is taken for maximum effect. Seldom found in an encapsulated form, and while it may be taken as a tea, it has a fairly unpleasant taste.SummaryYohimbe bark contains a substance called yohimbine in a concentration of about 6%, as well as other, similar compounds known as indole alkaloids.For educational purposes only This information has not been evaluated by the Food and Drug Administration.This information is not intended to diagnose, treat, cure, or prevent any disease.