| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Opioid Peptides | 100 | + | |
| 2 | Hypothalamic Hormones | 78 | + | |
| 3 | Carnosine | 47 | + | |
| 4 | Galanin | 27 | + | |
| 5 | Neuropeptide Y | 27 | + | |
| 6 | Thyrotropin-Releasing Hormone | 18 | + | |
| 7 | Tachykinins | 9 | + | |
| 8 | Pituitary Adenylate Cyclase-Activating Polypeptide | 8 | + | |
| 9 | Motilin | 4 | + | |
| 10 | Neurotensin | 2 | + | |
| 11 | Urocortins | 1 | + | |
| 12 | Cholecystokinin | 1 | + | |
| 13 | Calcitonin Gene-Related Peptide | 1 | + |