Melanotan II
- •what is Melanotan 2
- •Melanotan 2 tanning
- •Melanotan 2 libido
- •MT2 side effects
- •Melanotan 2 vs PT-141
- Melanotan II(MT-II)· Skin, Hair & Beauty
- Melanotan 2 is the broad-spectrum cousin of Melanotan 1. It tans the skin via MC1R, but also touches receptors involved in appetite suppression and libido — which is why users report a wider set of effects.
What is it?
Melanotan 2 is a synthetic non-selective melanocortin receptor agonist that activates MC1R, MC3R, MC4R, and MC5R. It is the most widely discussed tanning peptide in research and biohacker communities.
In plain English
Melanotan 2 is the broad-spectrum cousin of Melanotan 1. It tans the skin via MC1R, but also touches receptors involved in appetite suppression and libido — which is why users report a wider set of effects.
How it works
Non-selectively activates melanocortin receptors. MC1R drives pigmentation. MC4R drives appetite and sexual signaling. MC3R/MC5R drive various secondary effects.
What researchers study
- •Melanocortin receptor pharmacology
- •Pigmentation research
- •Appetite and sexual signaling studies
- •Comparison with Melanotan 1 and PT-141
What the internet talks about
Heavily discussed in tanning, libido, and appetite-suppression conversations. Common debate: tanning effects vs concerns about new moles and pigmentation changes.
Bro-science translation
“The non-selective tan + libido + appetite peptide.”
Commonly compared to
Common stack discussions
Used alone more often than stacked. Compared with PT-141 for libido focus and Melanotan 1 for selectivity.
Related peptides
Related categories
Frequently asked questions
Quick summary
Melanotan 2 is a non-selective melanocortin receptor agonist studied for pigmentation, appetite, and sexual signaling. Sold for laboratory research only.