Melanotan II

Research

A synthetic analog of alpha-MSH studied for skin tanning, sexual function, and appetite regulation. One of the most well-known research peptides for pigmentation.

Tanning & PigmentationSexual Health

Half Life

~33 minutes

Time to Results

1-4 weeks for tanning

Administration

SubQ injection

Griffin the guinea pig research guide

๐Ÿพ Griffin's Research Scorecard

Research Strength
Human Data
Animal Data
Long-Term Data
Beginner Friendly
Storage Difficulty
Injection FrequencyDaily during loading, then as needed
Cost$$$

๐Ÿพ Griffin Says...

Very popular in the tanning research community. The side effect of darkening moles is worth paying attention to and should be monitored carefully. Get a skin check before and during research if you have significant moles.

Benefits

  • Skin tanning without UV
  • Increased libido
  • Reduced appetite
  • Potential erectile function improvement

Best For

  • Pigmentation research
  • Sexual health research

Body Systems

Integumentary (Skin)Nervous SystemReproductive

Mechanisms of Action

  • Non-selective melanocortin receptor agonist
  • Stimulates melanogenesis
  • Activates MC4R for sexual effects

Side Effects

EffectFrequencySeverity
NauseaVery CommonMild
Facial flushingVery CommonMild
Spontaneous erectionsCommon (men)Mild
Darkening of molesCommonModerate - monitor

Contraindications

History of melanoma, pre-existing moles should be monitored, cardiovascular conditions

Peptides discussed here are for research purposes only. Nothing on this page is medical advice. Always consult a qualified professional before making health decisions.

Ready to calculate your dose? Use Griffin's Peptide Calculator ๐Ÿพ

Open Calculator