BCAAs (Branched Chain Amino Acids) are three of the essential amino acids your body requires to operate. These three amino acids; Leucine, Isoleucine, and Valine can help increase muscle protein synthesis, increase muscle growth, and decrease muscle fatigue. Savage Libra BCAAs is a blend of 5000mg of Branched Chain Amino Acids and Glutamine for lean muscle and recovery. BCAAs are the most abundant amino acids found in muscle tissue, and are the most readily absorbed group of amino acids.