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Every compound links to batch-tested stock at Nordapep, with a Certificate of Analysis per batch.
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Melanocortin receptors

Melanocortin agonists studied for pigmentation and central signalling pathways.

MelanocortinApproved in the US only

PT-141

Cyclic melanocortin-receptor agonist

Evidence
5/5
MelanocortinNot approved

Melanotan II

Non-selective cyclic melanocortin agonist

Evidence
2/5
Nordapep from
£33.88
£3.39/mg
MelanocortinApproved prescription medicine (one rare indication)

Afamelanotide

Potent α-MSH analogue acting mainly at MC1R

Evidence
5/5
Nordapep from
£33.88
£3.39/mg
MelanocortinApproved prescription medicine (rare genetic conditions)

Setmelanotide

Selective MC4R agonist

Evidence
5/5
Compare 3 side by side →

Comparisons in this area

PT-141 vs Melanotan II →Afamelanotide vs Melanotan II →Setmelanotide vs PT-141 →
For laboratory research only. Nothing on peptide.wiki is medical advice. The compounds described are not for human or veterinary use, and research-grade material is not a medicine.