This supplement gives you eight essential amino acids to support and maintain your body's muscular, skeletal, enzymatic, and hormonal systems. Supplement includes the following amino acids: L-Isoleucine, L-Leucine, L-Lysine HCl, L-Methionine, L-Phenylalanine, L-Threonine, L-Tryptophan and L-Valine. PerfectAmino tablets contain no soy, dairy or gluten and is vegan sourced from non-GMO ingredients. This amino acid supplement is designed to be efficiently used by the body, producing very little waste.