YOHIMBE BARK 100 CAPS- fungus fighter, jock itch, may increase testosterone. May relax the nerves in the spinal column to help you accieve harder erections. The FDA does not approve of these statments and these are not intended to diagnose, treat, prevent or cure disease. Yohimbe may cause flushing of the skin--the same as if taking too much Vitamin B3--Niacin. May possibly reduce blood pressure. Taking too much of this herb at one time is not recommended.