Yohimbe has an aphrodisiac effect and gives pleasant flows of energy through the body. It stimulates blood flow to the genitals, it can strengthen and prolong an erection, enhances sexual excitement and gives more powerful orgasms. It can also cause a pleasant 'high', a light feeling in the head and mild perception changes. For sporting people Yohimbe has a powerful constructive effect; muscle growth is stimulated and restoration is enhanced. In short, this herb improves performance, enhances mood and increases potency. When Yohimbe is mixed with vitamin C a new substance is formed, Yohimbine-ascorbic acid. This gives a more pleasant and milder effect. The substance yohimbine is prescribed by doctors against impotence.