Amino Fuel | Essential Amino Acids from Applied Nutrition is an excellent nutritional supplement in powder form that contains: L-Leucine L-Glutamine L-Valine L-Isoleucine L-Lysine L-Threonine L-Histidine L-Phenylalanine L-Methionine Breathe Easy Formula Amino Fuel contains 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 2500mg L-Glutamine. Amino acids are the building blocks of proteins. Essential Amino Acids (EAAs) cannot be synthesized by the body and must be supplied through the diet. Amino Fuel can be consumed 24 hours a day or whenever a supplement of amino acids is needed.