Amino acid blend (L-arginine, L-cysteine, L-phenylalanine, L-glycine, L-histidine, L-isoleucine, L-leucine, L-lysine, L-methionine, L-proline, L-serine, L-threonine, L-tryptophan, L-tyrosine, L-valine, L-alanine, L-aspartic acid, L-glutamine), bulking agent (microcrystalline cellulose), anti-caking agents (vegetable magnesium stearate, silicon dioxide). Vegetable-based capsule.