XDOG True Beast Muscle Builder & Performance is a state-of-the-art formula that is designed to provide ingredients to support muscle development, definition and functions in canines of all breeds. Colostrum provided in this unique formula helps support muscle strength, muscle thickness, lean tissue mass and cognitive function. It contains Creapure, a compound that promotes muscle growth, endurance and definition. DMG is included to support muscle metabolism, lactic acid levels and optimize oxygen utilization within muscles. The combination of Taurine, L-Carnitine, and L-Glutamine in this special blend support muscle recovery and maintenance.