Yohimbine, also known under the antiquated names quebrachin, aphrodin, corynine, yohimvetol and hydroergotocin, is a purported aphrodisiac. Function Aphrodisiac The NIH states that Yohimbine hydrochloride is the standardized form of yohimbine that's available as a prescription medicine in the United States, and has been shown in human studies to be effective in the treatment of male impotence. Yohimbine chloride—a standardized form of yohimbine—is a prescription medicine that has… (More on Yohimbine)