A scientifically-based formula to provide the body with high potency branched-chain amino acids in the ideal 2:1:1 ratio of Leucine, Isoleucine, and Valine. As a duel action formula, XTR is specifically designed to benefit both pre and post workouts. For the pre-workout, this comprehensive formula is designed to support the energy fuels needed for high intensity and endurance workouts. For the post-workout, it functions to support rapid recovery, muscle anabolism and anti-catabolic effects.

» 0.945lbs per bottle