Amino Fuel | Essential Amino Acids from Applied Nutrition is an excellent dietary supplement in powder form that contains: L-Leucine L-Glutamine L-Valine L-Isoleucine L-Lysine L-Threonine L-Histidine L-Phenylalanine L-Methionine It also contains the Breathe Easy formula. Amino Fuel provides 11g of amino acids per serving, of which 9g are essential amino acids (EAA), including 6g of branched chain amino acids (BCAA) in a 2:1:1 ratio (3000mg L-Leucine, 1500mg L-Isoleucine, 1500mg L-Valine) with an additional 2500mg L-Glutamine. Amino acids are complex chemicals that form the building blocks of proteins. Essential amino acids (EAAs) cannot be synthesized or created by the body and therefore must be supplied through the diet. Amino Fuel can be consumed 24 hours a day or when an additional amino acid intake is needed.