Penis enhancement supplements share some of the same benefits of Viagra, but they are in a league of their own. Unlike Viagra, they are all-natural herbal formulas with no side effects. They’re available easily and discreetly without a prescription, and are safer than prescription drugs that have been linked to trouble among certain men with other pre-existing health concerns. Natural penis erection supplements are much more affordable than Viagra, both in cost alone and in the added expense of doctor’s office visits.