What PT-141 is
PT-141 is a melanocortin receptor agonist. An analogue of alpha-MSH acting at MC4 receptors in the central nervous system. Studied for sexual arousal pathways centrally rather than through vascular mechanisms.
Class and mechanism
PT-141 is a melanocortin receptor agonist. An analogue of alpha-MSH acting at MC4 receptors in the central nervous system. Studied for sexual arousal pathways centrally rather than through vascular mechanisms.
Where it sits
Wellbeing compounds are grouped by the outcome they are studied for rather than by shared chemistry, so the class column varies widely across the group.
Other names
PT-141 is also written as Bremelanotide. The same molecule appears under more than one name, which is worth knowing when comparing listings between suppliers.
Others in the wellbeing compounds range
PT-141 sits in the wellbeing compounds group. The compounds below share that grouping, which is the useful starting point when comparing one against another: same group means the comparison is like for like, different group usually means it is not.
| Compound | Class | Listings | From |
|---|---|---|---|
| Melanotan II | Non-selective melanocortin agonist | 3 | £15 |
| Melanotan I | Selective MC1R agonist | 1 | £50 |
| Selank | Anxiolytic heptapeptide | 1 | £30 |
| Semax | ACTH(4-10) analogue | 1 | £30 |
| Kisspeptin-10 | KISS1R agonist | 1 | £50 |
| Cialis | PDE5 inhibitor | 1 | £12 |
Is it held in UK stock?
Stock held in the UK ships domestically, with no customs step. The product page carries live stock rather than a cached figure.
Quanta Pharma PT-141 10mgin stock£20- SerenQ PT-141 10mg Peptide Penout of stock£40
Availability checked 2026-09-09. The product page carries live stock.