| NO. | Name | CAS No. |
| 1 | L-Histidine | 71-00-1 |
| 2 | L-histidine dihydrochloride | 1007-42-7; 645-35-2; 7048-02-4 |
| 3 | L-Norvaline | 6600-40-4 |
| 4 | L-Arginine | 74-79-3 |
| 5 | L-Arginine alpha-Ketoglutarate | 16856-18-1 |
| 6 | L(+)-Glutamine | 56-85-9 |
| 7 | L-Tryptophan | 73-22-3; 80206-30-0 |
| 8 | L-Phenylalanine | 63-91-2; 3617-44-5 |
| 9 | L-Leucine | 61-90-5 |
| 10 | L-Valine | 72-18-4; 7004-03-7 |
| 11 | L-Proline | 147-85-3 |
| 12 | L-Tyrosine | 60-18-4 |
| 13 | L-Alanine | 25281-63-4 |
| 14 | L-Lysine | 56-87-1 |
| 15 | L-Threonine | 72-19-5 |
| 16 | L-Methionine | 63-68-3 |
| 17 | L-Isoleucine | 73-32-5 |
| 18 | L-Serine | 56-45-1 |
| 19 | L-Theanine | 3081-61-6 |
| 20 | L-Citrulline | 372-75-8 |