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Melanotan II — a synthetic melanocortin-receptor agonist studied in melanogenesis (skin-pigmentation) research. Lyophilized powder, an independent COA per batch, purity ≥99%.
Size: 10 mg
No published analyses yet.
Titration schedule · reference
The information below is provided from public sources for reference only. It is not advice or instructions for use; products are intended for laboratory research only and not for human consumption.
| Period / condition | Dose | Escalation |
|---|---|---|
| Loading period (2–3 weeks) | 0.25–0.5 mg per day | Starting dose (often begun at 0.25 mg) |
| Maintenance period | 0.5–1 mg, 1–2x weekly | Increase if needed |
| Upper limit | up to 2 mg per day | Maximum in this schedule |
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Melanotan II is a synthetic peptide analogue of α-melanocyte-stimulating hormone and a non-selective agonist of the melanocortin receptors (MC1R and related subtypes). In the research literature it is studied mainly as a tool for investigating melanogenesis — the production of the pigment melanin — and melanocortin-system signalling more broadly.
Because it acts non-selectively across several melanocortin receptor subtypes, in research models the compound affects not only pigmentation but also related processes — appetite, energy homeostasis, and sexual function — which is what makes it a subject of its own branch of receptor pharmacology. At the same time, the medical literature includes case reports describing mole changes and a possible association with melanoma linked to this class of melanocortin agonists, which is exactly why the substance remains strictly a laboratory research subject rather than a cosmetic or wellness product.
Longeva supplies Melanotan II as a research substance: a lyophilized powder with an independent certificate of analysis (COA, HPLC) per batch and a stated purity of ≥99%.