MightyX BCAA 4000 2:1:1 provides an 8 grams blend of the three Branched Chain Amino Acids (L-Valine, L-Leucine and L-Isoleucine) in every two spoons (take 2 spoons together for best results). The Branched Chain Amino Acid (BCAAs), so named because of their unique branched chemical structure, is essential in that the body cannot make them from other components. In recent times, these amino acid have been investigated for their potential anti-catabolic (preventing muscle breakdown) and anabolic (muscle building) effects. The Branched Chain Amino Acid (BCAAs) are essential amino acid that cannot be produced by your body. They can only be taken in through diet.