| Amino Acid | Residues/1000 | Weight Percent | |
| Aspartic Acid |
37 | 4.7 | |
| Glutamic Acid |
68 |
9.7 | |
| Hydroxyproline | 55 | 6.8 | |
| Serine* | 63 | 6.0 | |
| Glycine | 347 |
21.8 | |
| Histidine* |
15 |
2.3 | |
| Arginine |
62 |
10.6 | |
| Threonine* |
33 |
3.7 | |
| Alanine |
109 |
8.5 | |
| Proline |
98 |
10.5 | |
| Tyrosine |
3 |
0.5 | |
| Valine* |
16 |
1.7 | |
| Methionine* |
12 |
1.7 | |
| Cysteine |
--- |
--- | |
| Isoleucine* |
10 |
1.2 | |
| Hydroxylysine |
9 | 1.4 | |
| Phenylalanine* | 13 | 2.1 | |
| Tryptophan* | --- | --- | |
| Lysine* | 32 | 4.5 | |
| Leucine* |
18 |
2.2 | |
| Total | 1000 | 99.9 | |
* Essential amino acids. These are readily available in meat, poultry, eggs, fish, milk and cheese which are part of a balanced diet. Collagens are composed of amino acids and have the same Chemical Abstract Service number 68410-45-7 no matter if they come from fish, cattle, or pigs. The difference is that the amino acids are in slightly different percentages.
