ZyGain® is a prepared by a proprietary method that combines 100% natural ingredients formulated according to the principles of Chinese Herbal Medicine. Some of the key ingredients of the ZyGain® Pill: L-Arginine HCI, Catuaba, Muira Puama, Saw Palmetto, Korean Red Ginseng, Cinnamon Bark and Maca Root. There are many benefits to using each of these ingredients on their own such as Catuaba and Saw Palmetto. Catuaba bark and preparations are sold as aphrodisiacs and remedies for erectile dysfunction in health food stores and through online retailers. Saw Palmetto is used in several forms of traditional herbal medicine such as using the fruit for food and to treat a variety of urinary and reproductive system problems.