| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Opioid Peptides | 100 | + | |
| 2 | Tachykinins | 36 | + | |
| 3 | Hypothalamic Hormones | 23 | + | |
| 4 | Calcitonin Gene-Related Peptide | 11 | + | |
| 5 | Thyrotropin-Releasing Hormone | 5 | + | |
| 6 | Melanocyte-Stimulating Hormones | 5 | + | |
| 7 | Galanin | 4 | + | |
| 8 | Vasopressins | 3 | + | |
| 9 | Cholecystokinin | 3 | + | |
| 10 | Calcitonin | 2 | + | |
| 11 | Bradykinin | 2 | + | |
| 12 | Neurotensin | 2 | + | |
| 13 | Bombesin | 2 | + | |
| 14 | Vasoactive Intestinal Peptide | 1 | + | |
| 15 | Gastrin-Releasing Peptide | 1 | + | |
| 16 | Neuropeptide Y | 1 | + |