Essential Recovery & Performance Fuel. All 9 essential amino acids (EAAs) in an optimized 3:1:1 ratio of Leucine, Isoleucine, and Valine—the key to preventing muscle breakdown, accelerating recovery, and boosting endurance. Enhanced with Glutamine, Taurine, and Glycine, Amino X9 ensures peak muscle repair and sustained performance whether used pre-, intra-, or post-workout.