Optimum Nutrition's BCAA 5000 Powder provides a 5000 mg
blend of the three Branched Chain Amino Acids (L-Valine,
L-Leucine and L-Isoleucine) in every serving. The Branched
Chain Amino Acids (BCAA's), so named because of their unique
branched chemical structure, are essential in that the body
cannot make them from other compounds.