| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Tachykinins | 100 | + | |
| 2 | Thyrotropin-Releasing Hormone | 83 | + | |
| 3 | Gonadotropin-Releasing Hormone | 20 | + | |
| 4 | Angiotensins | 19 | + | |
| 5 | Dipeptides | 16 | + | |
| 6 | Glutathione | 11 | + | |
| 7 | Vasopressins | 9 | + | |
| 8 | Bradykinin | 2 | + | |
| 9 | Tetragastrin | 1 | + | |
| 10 | Delta Sleep-Inducing Peptide | 1 | + |