Materia Medica

Yohimbe (Corynanthe johimbe) — Yohimbine, Johimbe
Yohimbe is a West and Central African tree whose bark contains yohimbine, a pharmacologically potent alpha-2 adrenergic antagonist. This guide distinguishes traditional bark from purified yohimbine, reviews sexual-health research, documents major supplement-label variability, and explains cardiovascular, neurologic and medication-interaction risks. Read more...