| Non-essential |
Essential |
| Alanine |
Arginine * |
| Asparagine |
Histidine |
| Aspartate |
Isoleucine # |
| Cysteine# |
Leucine |
| Glutamate |
Lysine |
| Glutamine |
Methionine |
| Glycine |
Phenylalanine |
| Proline |
Threonine |
| Serine |
Tryptophan |
| Tyrosine |
Valine # |
(* only in growing young, not in adults)
(# BCAA branched chain amino acid) |
