ISOLATE AMINO is an amino acid formula with - among others - all the essential and branched-chain amino acids (BCAA"s). Essential amino acid are indispensable for us because they cannot be synthesized by the body and therefore must be supplied in the diet. They include the 9 amino acids the body cannot synthesize: Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan, Valine. The branched-chain amino acids (BCAA"s) are among the essential ones and they account for 35% of the essential amino acids in muscle proteins. ISOLATE AMINO is manufactured from whey protein isolate to ensure quality, and it is fortified with extra Glutamine, plus Taurine that is not otherwise present in Whey protein! DirectionsTake a serving before and after training, and also prior to going to bed. Use this product in conjunction with food as part of a healthy, balanced diet, not as a substitute for such. Allergen info Manufactured in a facility that processes milk, soy and egg proteins, gluten and peanuts! Sizes250 capsules 62 servings; 500 capsules 125 servings