Formula M.A.S.S. Muscle Builder is a state-of-the-art formula that is designed to provide ingredients that are important for muscle development, enhancement, definition, maintenance and functions in canines of all breeds. It contains Creatine, a compound important for muscle definition and growth, as well as complementary amino acids along with lecithin to enhance the effectiveness of the high quality colostrums, soy, and whey proteins that are supplied in this formula. DMG is included to support muscle metabolism, reduce lactic acid accumulation, and optimize oxygen utilization within muscles.