VigRX Plus ™ has been formulated with a series of 10 potent natural erection precursors, aphrodisiacs, and libido enhancers that quickly build up in your system to measurably improve your sexual performanceFirmer, Longer Lasting Erections, Increased Sexual Stamina, Clinically Studied. We're excited to announce that VigRX Plus now includes BioPerine, which has been proven in multiple U.S. clinical studies and earned several U.S. patents for its unique ability to DRAMATICALLY increase the absorption of the ingredients it is combined with.