AMS PenaMax is an all-natural dietary supplement formulated for men who are looking to increase stamina, endurance, and improve overall sexual performance in an entirely natural manner. It elevates libido and sexual desire and helps restore normal erectile function. Ingredients found in the supplement include Acetyl-L-carnitine and Propionyl-L-Carnitine which boost energy metabolism, L-Arginine to enhance blood circulation, Ginkgo Biloba for mental health and blood circulation, and Butea Superba.