Yohimbe bark comes from a tree containing a variety of active chemicals grown throughout the African nationa of Cameroon, Gabon, and Zaire. Though it has been used to treat a variety of symptoms, its most popular use is to aid in male impotence issues as well as to provide aphrodisiac qualities among men and women alike. Yohimbe bark has been known to play a beneficial role in creating a healthy body, yet despite this, a significant amount of serious side effects can occur in some individuals.