Manhood Power Low Libido Pills can be taken daily for ongoing maintenance of sexual health or as needed for fast-acting sexual enhancement. Nitric Oxide is a naturally-occurring compound in the body that plays a key role in cardiovascular and sexual health. Nitric Oxide is produced in the inner lining of blood vessels and helps to relax and dilate vessels, allowing more blood flow throughout the body. When sufficient Nitric Oxide is present in healthy males, erections occur during the normal course of intimacy.