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Melanotan II

Melanocortin Agonist | Tanning & Libido

Typical Dose
0.25–1 mg
Route
Injectable
Variants
10mg

Overview

What is Melanotan II?

Melanotan II is a non-selective melanocortin receptor agonist studied for melanogenesis-induced tanning and sexual response.

Mechanism of Action

Activates MC1R (pigmentation) and MC3/4R (libido and appetite suppression).

Key Benefits

  • UV-independent tanning
  • Increased libido
  • Mild appetite suppression

Research Indications

Tanning responseMost Effective
LibidoEffective
Appetite reductionModerate

Research Protocols

Disclaimer

These are commonly discussed research protocols and not medical advice. Consult a healthcare provider before use.

GoalDoseFrequencyRoute
Conservative0.25 mg1x daily (loading)Subcutaneous
Standard starting dose0.5 mg1x dailySubcutaneous
Typical maintenance0.5 mg2x weeklySubcutaneous
Maximum1 mg1x dailySubcutaneous

Peptide Interactions

PT-141
Synergistic
Stimulants
Monitor

Side Effects & Safety

Common Side Effects

  • Nausea
  • Facial flushing
  • Darkening of moles
  • Spontaneous erections

Safety Guidelines

  • For laboratory research use only — not for human consumption
  • Store reconstituted vials at 2–8°C, use within 30 days
  • Rotate injection sites to avoid local irritation
  • Discontinue and consult a clinician if adverse reactions occur

Quality Indicators

  • ≥95% purity verified by HPLC
  • Third-party tested for sterility
  • Lyophilized in sealed multi-dose vial
  • Bacteriostatic water reconstitution
  • Refrigerated cold-chain shipping

What to Expect

  1. 1
    Week 1
    Skin sensitivity / darkening with UV exposure
  2. 2
    Week 2–4
    Established tan, libido changes
  3. 3
    Week 5–8
    Maintenance phase

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