Pep Grading
United States
RomaniaMelanocortin receptor agonists, penile erection, and sexual motivation: human studies with Melanotan II.
Melanotan II induced penile erection in 85% of men with erectile dysfunction and increased sexual desire.
Melanotan II
Melanotan II is a synthetic melanocortin peptide researched for its tanning and libido-enhancing effects.
Melanocortin AgonistMelanocortin Receptor ActivationTanningSexual Health
- Vendors
- 14 vendors
- Sizes
- 5 mg – 100 mg
- Intake
- Injections
Typical dose
0.25-1mg
Once daily
Route
Subcutaneous
Administered via subcutaneous injection, typically in the evening. Loading phase involves daily low-dose injections for 1-2 weeks. Once desired effect is reached, frequency reduces to maintenance dosing.
Cycle
4-8 weeks
Typical duration
Storage
2-8°C
Follow vendor guidance
Marketplace
Vendor listings
14 offers for Melanotan II
| Vendor | Price | Rating | Shipping | COA | Action |
|---|---|---|---|---|---|
Amino Club
| $14.98 $29.95 $1.50/mg −50% | No reviews | 1–4 days United States | None | |
idunpeptides
| $19.99 $2.00/mg | No reviews | 3–7 days United States, United Kingdom +1 | None | |
Certa Peptides
| $24.99 $5.00/mg | No reviews | 1–4 days Switzerland, United Kingdom +29 | None | |
Biologix Labs
| $27.99 $34.99 $2.80/mg −20% | No reviews | 2 Days United States, Canada | None | |
Synthesis Peptides
| $34.99 $3.50/mg | No reviews | 2–5 days United States | None | |
Giga Compounds
| $36.00 $40.00 $3.60/mg −10% | No reviews | 2 days United States | None | |
Bionova Peptides
| $39.99 $79.99 $4.00/mg −50% | No reviews | 1–3 days United States | None | |
HLX LABS
| $39.99 $4.00/mg | No reviews | 2–5 days United States | None |
What the research reports
Reported research benefits.
Outcomes described across the published literature and ongoing study, not promised results. Read each as research context, not a personal guarantee.
01
Tanning without sun exposure
02
Libido enhancement
03
Skin darkening
Dosage and protocol
How it is typically studied.
Melanotan II is a synthetic melanocortin peptide analog typically administered via subcutaneous injection. Research protocols use a loading phase of 0.25-0.5mg daily, followed by maintenance dosing of 0.5-1mg once or twice weekly. Half-life is approximately 1 hour.
01 Route
Subcutaneous
02 Example range
0.25-0.5mg
03 Frequency
Once daily
04 Timing
Administered via subcutaneous injection, typically in the evening. Loading phase involves daily low-dose injections for 1-2 weeks. Once desired effect is reached, frequency reduces to maintenance dosing.
Educational reference only. Use clinician guidance for dosing decisions.
Evidence
What the studies actually show.
Effect of an alpha-melanocyte stimulating hormone analog on penile erection and sexual desire in men with organic erectile dysfunction.
Melanotan II induced erections in 63% of injections and increased sexual desire versus placebo.
Melanotan II User Experience: A Qualitative Study of Online Discussion Forums.
Melanotan II users report tanning and body enhancement motivations with diverse side effects and safety concerns.
A glimpse into the underground market of melanotan.
Online survey of melanotan users' motivations, acquisition methods, and continuation plans.
Interactions
How it pairs with other peptides.
Melanotan II + TB-500
Often discussed together in recovery-focused research stacks.
Melanotan II + GHK-Cu
Sometimes paired in tissue and skin research conversations.
FAQ
Frequently asked questions.
Melanotan II is a synthetic melanocortin peptide researched for its tanning and libido-enhancing effects. It stimulates melanin production and has notable sexual function effects.