BCAA"s by German American Technologies is a high potency formula containing the essential amino acids L-Leucine, L-Isoleucine, and L-Valine; the three protein-sparing amino acids known as branched chain. BCAA"s are one of the most important of all amino acids for muscular growth and recuperation. BCAA"s are the most rapidly absorbed. In fact, BCAA"s immediately pass through the liver and are "pushed" into the muscle tissue where the majority of the metabolism takes place.