Yohimbine one of our key ingredients, works by blocking receptors in the body called alpha-2 adrenergic receptors. These receptors play an important role in inhibiting erections. Therefore, yohimbine is thought to help alleviate erectile dysfunction by blocking the receptors responsible for preventing erections Yohimbine may also promote the release of nitric oxide. This could lead to the dilation of blood vessels and an increase in blood flow to sexual organs.