Revive Keto The main basis of Vaso Prophin to work is that is temporarily increases testosterone levels in men, giving them the ability to achieve erections easier, and to have more sexual desire. From increasing libido, this formula is supposed to also rejuvenate your blood circulation, and this is supposed to not only increase the size of your penis, but also to increase the ability to achieve and maintain an erection. Products like penis pills or libido enhancers are often put to clinical studies prior to market release to study their effect on the general public. It is highly recommended by the UMMC that you take at least 400 IU of vitamin E every day to promoteRevive Keto. Moreover, the size gains experienced are permanent in nature and even when you stop doing these exercises your penis does not shrink back to it's original size. However, penis enlargement is a different thing altogether.