It is a maximum strength formula designed to provide A 5,050 Mg complex of the pure free form amino acids L-Valine, L-Leucine And L-Isoleucine in every serving. These three protein-sparing amino acids are known as the branched chain. The branched chain amino acids (Bcaa’s) got their name because of their unique branched chemical structure. All branched chain amino acids are essential amino acids. The body cannot make them from other compounds. They must be consumed in the diet. It is a well-known fact that amino acids are responsible for protein synthesis, hence the nickname ‘building blocks’.