From Manufacturer''s Label:The Branched Chain Amino Acids (BCAAs) are essential amino acids that can only be taken in through diet because it can''t be produced by your body.We''ve made them available to active adults everywhere in a formula that''s instantized for easy mixing, because the BCAAs are very much in demand with all kinds of athletes.* 1st Ever Instantized Formula* Supports Muscle Building & Recovery Efforts*** Leucine, Isoleucine, & Valine in 2:1:1 Ratio* Highly Concentrated* Mixes Easily with a SpoonFruit Punch flavored powder.40 servings in each container.Manufactured by: Optimum Nutrition