Proprietary Blend - l-Arginine Horny Goat Weed (Epimedium sagittatum) Damiana Leaves (Turnera diffusa) Oatstraw (Avena sativa) Muira Puama (Ptychopetalum olacoides) Saw Palmetto Berry (Serenoa repens) Yohimbe Bark (Pausinystalia yohimbe) DHEA