Amino Fuel | Essential Amino Acids from Applied Nutrition is a powdered dietary supplement containing: L-Leucine L-Glutamine L-Valine L-Isoleucine L-Lysine L-Threonine L-Histidine L-Phenylalanine L-Methionine Amino Fuel provides 11g of amino acids per serving, of which 9g are essential amino acids (EAAs), including 6g of branched chain amino acids (BCAAs) in a 2:1:1 ratio (3000mg L-Leucine, 1500mg L-Isoleucine, 1500mg L-Valine) with an additional 2500mg L-Glutamine. Amino acids are the building blocks of protein. Essential amino acids (EAAs) cannot be synthesized by the body and must be supplied through diet. Amino Fuel can be consumed 24 hours a day or when an additional amino acid intake is needed.