The essential building blocks of muscles. BCAA stands for Branched-chain amino acids: which prevent fatigue and improve concentration, reduce protein and muscle breakdown during and after an intense exercise. Supplementing with BCAA Post Workout can assist in lean muscle growth, with fast recovery and minimum muscle loss. Available in watermelon, and tropical punch flavors. The branched-chain amino acids (BCAAs) are a group of three essential amino acids: leucine, isoleucine and valine. They are essential, meaning they can’t be produced by your body and must be obtained from food. BCAA combinations have been shown to build muscle, decrease muscle fatigue and alleviate muscle soreness. Get the most out of your workout.