Doctor Endorsements See how our products are backed by real doctors, unlike competitor sites with false doctor endorsements, potentially putting yourself at legal risk for adertising them. We're actually the only company out of our competition that can back up why we're the best! Dr. Steven Lamm, M.D. Throughout my career as doctor, researcher and author I am constantly investigating new solutions and supplements that I can share with my patients to help them improve the quality of their sex life and that is why when I found VigRX Plus® I was pleasantly surprised... Target Audience Suitable for men aged 21 to 60+ who wish to diminish the physical effects of aging on their sex lives, improve their erection quality and control, and enjoy a bigger appetite for sex with more intense orgasms.