Horny Goat Weed is a potent herb that has been used in Chinese medicine for centuries to improve stamina, endurance, and drive. Also known as Epimedium, Horny Goat Weed primarily grows in Asia, but can also be found in certain areas around the Mediterranean. Due to its purported benefits and long history, Horny Goat weed's popularity has increased in recent years. Our natural extract is derived specifically from the leaves and stem of the Epimedium sagittatum plant, and you get a full 750mg per day. Also in the formula, bioperine works with selenium to increase bioavailability, promoting quick absorption and optimal performance. Every Fundamentals formula was purposefully designed to pair with the full line of premium Force Factor supplements, helping you tackle your goals and fully unleash your Potential.