Melanotan 2 vs Melanotan 1: Complete 2026 Comparison
Side-by-side comparison of Melanotan 2 and Melanotan 1: mechanism, common use cases, dosing protocols from named experts, vendor availability, and expert opinion. Both are framed as research compounds.
TL;DR Table
| Factor | Melanotan 2 | Melanotan 1 |
|---|---|---|
| Class | PEPTIDE | PEPTIDE |
| Aliases | ["MT-2", "MT2", "melanotan II"] | ["MT1"] |
| Mechanism | Non-selective melanocortin receptor agonist (MC1R = tanning, MC3R/MC4R = appetite/sexual/mood). MT2 is broader than MT1 (tanning-only) and PT-141 (sexual-only). | n/a |
| What it's researched for | Tans the skin (pigmentation), enhances libido and sexual function, mood elevation, mild appetite suppression. Tanner calls it his 'number one favorite... | Older melanocortin peptide primarily isolated to tanning benefits without the mood/sexual effects of MT2. |
| Dosing mentions tracked | 14 | 0 |
| Vendor recs tracked | 1 | 0 |
| PubMed papers | 15 | 8 |
Mechanism Comparison
Melanotan 2
Non-selective melanocortin receptor agonist (MC1R = tanning, MC3R/MC4R = appetite/sexual/mood). MT2 is broader than MT1 (tanning-only) and PT-141 (sexual-only).
What Each is Researched For
Melanotan 2 research areas
Tans the skin (pigmentation), enhances libido and sexual function, mood elevation, mild appetite suppression. Tanner calls it his 'number one favorite peptide of all time.'
Melanotan 1 research areas
Older melanocortin peptide primarily isolated to tanning benefits without the mood/sexual effects of MT2.
Dosing Mention Comparison
Melanotan 2 dosing
- Speaker 1: Users report screening for mole history and skin cancer risk before use; recommendations emphasize careful dose management (lowest... (00:16:39)
- Scott: Scott reported an old-school loading protocol: 1 mg/day every day until desired tan, then 1 mg twice per week for maintenance (00:36:54)
- Scott: Scott reported using 250 mcg/day every day until achieving desired darkness, then backing off (00:37:18)
- Andrew: Andrew reported using a protocol of 5 days at 500 mcg, then dropping to 250 mcg, with the option to return to 500 mcg if not dark... (00:37:33)
- Andrew: Andrew reported: nasal spray ~50 mcg per inhalation (00:38:12)
Melanotan 1 dosing
No tracked dosing mentions.
Side Effect Notes
Anecdotal reports for both compounds vary by route, dose, and individual. Neither should be treated as an approved medication. Consult a qualified clinician.
When To Choose Which
Comparison depends on research question, available source quality, and individual risk tolerance. See the full profiles for Melanotan 2 and Melanotan 1 for context-specific details.
Can You Stack Them?
Stacking decisions should be evaluated by qualified professionals with attention to dose attribution, source quality, and outcome tracking. This page is a research aggregator and does not recommend stacking protocols.
FAQ
Which has more research?
Melanotan 2 has 15 PubMed citations indexed; Melanotan 1 has 8.
Which has more vendor coverage?
Melanotan 2: 1 tracked vendor recommendations. Melanotan 1: 0.
Are they approved drugs?
Both are framed on this site as research compounds. Verify current FDA status and state-specific rules before any decision.
Where do I read more?
See Melanotan 2 and Melanotan 1 for full profiles with all dosing mentions and PubMed citations.