Bio Wellness CBD Gummies The legendary Chinese herbs to enhance libido Horny Goat Weed and cnidium, work on increasing nitric oxide levels within the body, Horny Goat Weed also helps to increase testosterone, as well as combating stress and lifting energy levels. For a strong erection and sex drive you need your blood to be pumping around the body. Luckily, there are some good, reputable products available, and these really should be able to help men overcome impotence and other forms of sexual dysfunction. A longitudinal force is applied by the device on the penis causing it to adapt and increase in length and girth. 4. Extenders are devices that are worn on the penis to stimulate tissue production in response to pressure. 3. Supplements like vitamin C, E, and B complex are essential nutrients for penile functioning.