is an alkaloid that is found in the bark of a West African evergreen tree—the yohimbe tree. Yohimbine might help treat
that can be caused by a variety of factors, although it comes with many risks.
Commonly Used Product Names
Yohimbine hydrochloric acid (HCL)—a tablet available only by prescription
Yohimbe bark—available without a prescription in the following forms:
Decoction (an extract obtained from boiling)
Yohimbe bark is often not standardized based on yohimbine content. Therefore, it is a less reliable source than the prescription tablet.
Yohimbine has a long history of being used as an aphrodisiac. Some studies have suggested that it may have the following pro-sexual effects:
Helps to obtain and maintain erection
Enhances quality of erection
Since the effective level of yohimbine is close to its toxic level, it is not clear that its benefits outweigh its risks. Side effects include:
Crenshaw TL, Goldberg JP.
Sexual Pharmacology: Drugs that Affect Sexual Function. WW Norton & Company; 1996.
Guay AT, Spark RF, Jacobson J, Murray FT, Geisser ME.
Yohimbine treatment of organic erectile dysfunction in a dose-escalation trial.
Int J Impot Res.
Lebret T, Hervé JM, Gorny P, et. al. Efficacy and safety of a novel combination of L-arginine glutamate and yohimbine hydrochloride: a new oral therapy for erectile dysfunction.
Peirce A, American Pharmaceutical Association.
The American Pharmaceutical Association Practical Guide to Natural Medicines. New York, NY: Morrow; 1999.
Please be aware that this information is provided to supplement the care
provided by your physician. It is neither intended nor implied to be a
substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER
IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the
advice of your physician or other qualified health provider prior to
starting any new treatment or with any questions you may have regarding a