With so many penis pills flooding the market, it is necessary to do a factual breakdown for potential consumers who are thinking about buying the most effective penis enlargement supplement.  Though there are countless knockoffs, a few of the penis pill mainstays are Extagen, ProSolution, Vimax, VigRx, and Size Pro.  Based off of customer polls, forum posting and testimonial feedback, Extagen was shown to have the most consistent largest penis growth gain at 30%.  ProSolution, Vimax and VigRx hovered around 25% and Size Pro trailed last around 20%.  Extagen also had the lowest returns among customers, with less than 1% looking for their money back.  Such was not the case with the other brands, with again Size Pro coming in last in that department.