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MELANOTAN II10 mg RUO

Melanotan II

The original tanning peptide, deeper color plus a libido kick.

  • The fastest-acting tanning peptide, visible skin darkening reported within days
  • Drives deep melanin through MC1R, with a libido lift via MC4R on top
  • Potent by nature: dramatic pigment from the melanogenesis pathway
Studied for
TanningLibido
≥99% purity HPLC-tested Sexual & Hormonal
Size
$37per vial

Free shipping over $200 · ships from the USA

Why researchers choose it

Melanotan II hits several melanocortin receptors at once, which is why one molecule shows up in both tanning research and sexual-arousal research (PT-141 was later carved out of it). It isn't an approved drug, and published reviews flag a melanoma and mole risk, so mole mapping is listed as the baseline safety step.

Reconstitution reference concentration only, not dosing

Set the vial strength and how much bacteriostatic water you draw into it. This returns the resulting concentration for lab handling. It is a dilution reference, not a dosing recommendation.

mg / mL
Each 0.01 mL — one unit on a U-100 syringe — holds
Syringe drawVolumeAmount in that volume

Most compounds reconstitute with bacteriostatic water; a few acid-loving peptides use acetic acid instead. How much to draw, and how many vials a cycle needs, live in the Complete Peptide Guide, not here.

How much, and how many vials for a full cycle?

Protocol and cycle-length questions get answered in the Complete Peptide Guide, not here. These listings carry no dosing.

Read more →
This compound is supplied for laboratory research use only and is not for human or veterinary consumption. The research summarized here describes published third-party findings, not outcomes from Limitless Peptides, and is not dosing guidance or medical advice. These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease.

How to verify what you received

Every batch we list is third-party HPLC-tested to ≥99% purity. When your vial arrives, these are the handling and quality-control checks a researcher runs before use.

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What the research reports 5 citations

  • Drives melanin production through MC1R, the melanogenesis pathway.Dorr 1996
  • Also activates MC4R, the arousal receptor, which is exactly the pathway its derivative PT-141 was built around.Wessells 2000
  • MC3R activity adds an energy signal on top of the pigment and arousal effects; appetite drop is reported separately as an observed effect.Complete Peptide Guide
  • Community protocols report visible skin darkening within days.Community protocols
  • Not an approved drug: afamelanotide remains the only approved alpha-MSH analog.Complete Peptide Guide

Compound reference physicochemical facts

Class
Melanocortin peptide
Molecular formula
C50H69N15O9
Molecular weight
1024.2 g/mol
CAS number
121062-08-6
Storage
Lyophilized −20 °C; reconstituted 2–8 °C, kept from light
Melanotan II$37