Melanotan-2
Synthetic peptide studied in animal and cell models for melanocortin-mediated pigmentation and central sexual function modulation
Last updated: March 1, 2026
- Compound
- Melanotan-2
- Class
- Sexual Wellness peptide
- Summary
- Synthetic peptide studied in animal and cell models for melanocortin-mediated pigmentation, central sexual function modulation, appetite and energy regulation.
- Mechanism
- Metabolic & Appetite Modulation
- Research Status
- Phase I
- Routes Studied
- Subcutaneous injection
- Evidence Level
- Early-stage research · Clinically unproven
What Should You Know About Melanotan-2?
- What is Melanotan-2?
- Melanotan-2 is a synthetic peptide studied in animal and cell models for melanocortin-mediated pigmentation and central sexual function modulation.
- Is Melanotan-2 clinically proven?
- No. Human evidence remains limited and does not establish Melanotan-2 as clinically proven. See the full evidence review for a study-by-study breakdown.
- What has Melanotan-2 been studied for?
- Melanotan-2 has been studied in preclinical models of melanocortin-mediated pigmentation, central sexual function modulation, appetite and energy regulation. These findings have not been confirmed in large-scale human trials.
- Is Melanotan-2 approved?
- No. Melanotan-2 is not an approved drug and remains a research compound.
What Is Melanotan-2?
Melanotan-2 (MT-2) is a synthetic cyclic heptapeptide analog of alpha-melanocyte-stimulating hormone (alpha-MSH) with the amino acid sequence Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2. Originally developed at the University of Arizona in the late 1980s by Dr. Victor Hruby and colleagues, the compound was designed as a superpotent, metabolically stable analog of the naturally occurring alpha-MSH peptide. Its cyclic structure confers significant resistance to enzymatic degradation compared to linear melanocortin peptides, resulting in a substantially longer...
Evidence Summary
Melanotan-2 has early-stage clinical data only. Safety data is emerging but efficacy evidence remains limited. Most claims exceed current clinical evidence.
Evidence Breakdown
| Domain | Evidence Level |
|---|---|
| Melanocortin-Mediated Pigmentation | Limited |
| Central Sexual Function Modulation | Limited |
| Appetite and Energy Regulation | Limited |
| Photoprotective Potential | Limited |
| Human clinical evidence | Limited |
| Safety data | Insufficient |
| Deep Research Score | 1.5 / 5 See full review |
Editorial Position
Melanotan-2 is best understood as a preclinical research compound with promising biological signals but limited human validation. Many online claims exceed the strength of available human evidence, and safety data remains incomplete. Any consideration of this compound should involve careful evaluation of individual context and medical guidance.
Regulatory Status Snapshot
- Not approved as a therapeutic drug by major regulators
- Safety profile not established in large human populations
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View the full scientific evidence review of Melanotan-2 with study-by-study analysis, evidence strength ratings, and independent editorial verdicts.
View full scientific evidence review of Melanotan-2What Has Melanotan-2 Been Studied For?
Research areas where Melanotan-2 has been investigated in published studies
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Melanocortin-Mediated Pigmentation Melanotan-2 has been studied in animal models of melanocortin-mediated pigmentation. These findings have not been confirmed in controlled human trials.
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Central Sexual Function Modulation Melanotan-2 has been studied in animal models of central sexual function modulation. These findings have not been confirmed in controlled human trials.
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Appetite and Energy Regulation Melanotan-2 has been studied in animal models of appetite and energy regulation. These findings have not been confirmed in controlled human trials.
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Photoprotective Potential Melanotan-2 has been studied in animal models of photoprotective potential. These findings have not been confirmed in controlled human trials.
How Does Melanotan-2 Work?
These mechanisms have been observed in preclinical models. They are plausible but have not been linked to proven clinical outcomes in humans.
- 01 Melanocortin Receptor Binding
- 02 Intracellular signaling
- 03 Tyrosinase Upregulation & Melanogenesis
- 04 Hypothalamic MC4R Signaling
Not sure if Melanotan-2 is right for you?
A specialist can review the evidence, evaluate your medical context, and help you make an informed decision about Melanotan-2.
Community Reports (Anecdotal)
Experiences shared here are self-reported and do not represent clinical evidence.
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How Is Melanotan-2 Administered?
Melanotan-2 is available via Subcutaneous injection, auto-injector pen. Appropriate use and protocol should be determined by a qualified specialist.
What Are the Specifications of Melanotan-2?
What Conditions Has Melanotan-2 Been Linked To?
Have Questions About Melanotan-2?
Published studies on Melanotan-2 can be found on PubMed and other peer-reviewed databases. Our references section below lists key citations.
Melanotan-2 is available as a research compound in Thailand. Consult a qualified specialist to discuss whether it is appropriate for your needs.
A qualified specialist experienced with peptide therapies can help you understand the current evidence and determine suitability.
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Book a Consultation Free initial consultation. No obligation.Reviewed by the Peptide Science Thailand Editorial Team.
Last reviewed: March 1, 2026