Melanotan 2 Peptide 10mg – Protide Health USA

Melanotan 2 Overview & Technical Specifications

Melanotan 2 is a synthetic cyclic heptapeptide analogue of alpha-melanocyte-stimulating hormone, or α-MSH.

Its sequence is:

Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂

Melanotan 2 is structurally constrained through cyclization and belongs to the melanocortin peptide research family.

Verified chemical identity includes:

• PubChem CID: 92432
• CAS Number: 121062-08-6
• Molecular Formula: C50H69N15O9
• Molecular Weight: approximately 1024.18 g/mol

Protide Health supplies melanotan 2 as 10mg of 99% purity, HPLC-MS verified, third-party tested lyophilized research material in a 3mL vial.

Technical Specifications

• Product Name: Melanotan-2
• Synonyms: Melanotan II, MT-2, MT-II
• Quantity: 10mg
• Form: Lyophilized powder
• Vial Size: 3mL
• Purity: 99%
• Testing: HPLC-MS verified; third-party tested
• Peptide Type: Synthetic cyclic heptapeptide α-MSH analogue
• Sequence: Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂
• CAS Number: 121062-08-6
• PubChem CID: 92432
• Molecular Formula: C50H69N15O9
• Molecular Weight: approximately 1024.18 g/mol
• Appearance: White to off-white lyophilized powder
• Solubility: Soluble in water and DMSO
• Storage: Store sealed at ≤6°C and protected from heat, light, and moisture
• Research Use: Melanocortin-receptor, biochemical, cellular, pigmentation-pathway, analytical, and qualified preclinical research only

The supplied chemical identity corresponds to the current PubChem record for melanotan 2.

Melanotan 2 Peptide Research Context

The principal research interest surrounding melanotan 2 peptide concerns melanocortin receptor pharmacology.

Melanocortin receptors are G protein-coupled receptors involved in a range of biological pathways.

The receptor family includes:

• MC1R
• MC2R
• MC3R
• MC4R
• MC5R

Melanotan II is generally characterized as a non-selective melanocortin receptor agonist.

Experimental research has therefore examined:

• Melanocortin receptor activation
• Melanocyte signaling
• Pigmentation pathways
• Central melanocortin signaling
• Appetite-associated pathways
• Reproductive neurobiology
• Structure-activity relationships

These research areas do not make the Protide Health material an approved pharmaceutical or cosmetic product.

MC1R & Melanogenesis Research

MC1R is expressed prominently in melanocytes and plays a major role in melanogenesis.

Activation of MC1R can influence signaling associated with:

• Adenylate cyclase
• Cyclic AMP
• Protein kinase A
• MITF-associated pathways
• Melanin synthesis
• Eumelanin production

Melanotan II has therefore been studied extensively in pigmentation-related experimental systems.

However, research demonstrating melanocortin-associated pigmentation does not justify representing this research vial as a tanning product.

Central Melanocortin Research

Unlike more receptor-selective melanocortin compounds, melanotan 2 can interact with multiple melanocortin receptor subtypes.

Experimental literature has examined central signaling involving MC3R and MC4R in relation to:

• Feeding behavior
• Energy-balance pathways
• Autonomic signaling
• Sexual-behavior models
• Hypothalamic signaling

Because several receptor subtypes can be involved, biological effects cannot be attributed automatically to a single melanocortin receptor without receptor-selective experimental controls.

Melanotan 2 and α-MSH Analogue Research

α-MSH is an endogenous melanocortin peptide derived from proopiomelanocortin.

Melanotan II was developed as a structurally modified analogue with a cyclic heptapeptide configuration.

The modifications alter:

• Molecular conformation
• Receptor affinity
• Resistance to enzymatic degradation
• Structure-activity relationships
• Melanocortin receptor profile

These properties make melanotan 2 peptide useful for controlled receptor-pharmacology and peptide-structure research.

Melanotan 1 vs 2

The search phrase melanotan 1 vs 2 concerns two related but chemically distinct α-MSH analogues.

Researchers comparing the two may review Melanotan 1 10mg as a separate Protide Health research product.

Melanotan 1

Melanotan 1 is also known as afamelanotide-related peptide chemistry and has a different sequence and receptor profile.

Melanotan 2

Melanotan II is:

• A cyclic heptapeptide
• A broader melanocortin receptor agonist
• Structurally distinct from Melanotan 1
• Associated experimentally with multiple melanocortin receptor pathways

The phrase melanotan 1 vs 2 should therefore be interpreted as a structural and pharmacological comparison rather than a question of which compound is universally superior.

Melanotan 2 vs PT-141

PT-141, or bremelanotide, was developed from melanocortin analogue research and is structurally related to Melanotan II.

Researchers can compare Melanotan II with PT-141 10mg for a separate cyclic melanocortin research compound.

Although the molecules are related, they differ in:

• Terminal chemistry
• Molecular formula
• Receptor profile
• Development history
• Experimental application
• Regulatory status

They should not be treated as interchangeable.

Melanotan 2 Before and After Search Intent

The phrase melanotan 2 before and after commonly refers to consumer photographs or anecdotal pigmentation claims.

Such images are not reliable scientific evidence because they usually lack:

• Standardized lighting
• Objective pigment measurements
• Confirmed compound identity
• Verified purity
• Controlled ultraviolet exposure
• Matched baseline conditions
• Appropriate control groups

The Protide Health product page therefore does not use before-and-after imagery as evidence of biological efficacy.

Controlled laboratory measurements are more appropriate for research interpretation.

Melanotan 2 Dosage Searches

The phrase melanotan 2 dosage generally concerns human administration.

Protide Health does not provide human dosing guidance.

The 10mg figure on this page identifies the total quantity of research material supplied in the vial.

It is not a recommended dose.

No instructions are provided for:

• Human dosing
• Injection
• Intranasal administration
• Frequency
• Titration
• Treatment cycles
• Body-weight calculations
• Reconstitution for administration

Published studies that used particular doses or routes should not be converted into instructions for independently supplied research material.

Melanotan 2 Dosage Per Day

The phrase melanotan 2 dosage per day specifically asks for a human administration schedule.

No daily human-use schedule is provided for this Protide Health product.

The 10mg quantity is simply the vial content.

Laboratory researchers should determine experimental concentrations using validated study protocols appropriate to their assay or model.

Melanotan 2 Safety & Reported Adverse Events

Human-use case reports involving unregulated Melanotan II have documented potentially serious adverse events.

One published case involved systemic toxicity, marked tachycardia, rhabdomyolysis, and renal dysfunction following self-administration of analytically confirmed Melanotan II.

Another report described renal infarction in association with Melanotan II exposure, while a broader review has highlighted risks associated with unregulated α-MSH analogue use.

These reports should not be interpreted as defining a predictable toxicity profile, but they demonstrate why unregulated human administration should not be treated as benign.

Pigmentation & Melanocytic Safety Research

Because Melanotan II activates melanocortin pathways involved in melanocyte biology, case reports have raised concerns regarding changes in melanocytic lesions and pigmentation.

Published reports include:

• Cutaneous melanoma observed after Melanotan II use in combination with sunbed exposure
• Oral pigmentation following repeated self-administration
• A 2025 case report describing oral mucosal melanoma after reported Melanotan II nasal-spray use

These reports demonstrate temporal associations and clinical concern but do not establish that Melanotan II directly caused each malignancy.

For laboratory product content, these findings support cautious safety framing rather than promotional tanning claims.

Melanotan 2 Reddit Search Intent

The phrase melanotan 2 reddit generally points to anecdotal discussions about pigmentation, dosing, side effects, or sourcing.

Such discussions are not equivalent to controlled scientific evidence.

Anonymous reports may involve unknown:

• Product identity
• Concentration
• Purity
• Storage history
• Contamination status
• Route of administration
• Concurrent substances

Protide Health product content therefore prioritizes verified chemical records and peer-reviewed research rather than anecdotal forum reports.

Research Format & Storage

Protide Health supplies melanotan 2 as:

• Quantity: 10mg
• Form: Lyophilized powder
• Vial Size: 3mL
• Purity: 99%
• Testing: HPLC-MS verified; third-party tested
• Appearance: White to off-white
• Solubility: Soluble in water and DMSO

According to the supplied specifications:

• Store at ≤6°C
• Keep sealed
• Protect from heat
• Protect from direct light
• Protect from moisture

These statements describe laboratory storage conditions and do not constitute human-use preparation instructions.

Research Limitations

Several limitations are important when interpreting Melanotan II research:

• Melanotan II is a non-selective melanocortin receptor agonist.
• Responses can involve more than one receptor subtype.
• Animal findings cannot establish equivalent human outcomes.
• Human melanocortin studies often involve specialized controlled formulations.
• Unregulated commercial products may differ substantially in identity and purity.
• Case reports can establish clinical concern but usually cannot establish causality by themselves.
• Online before-and-after photographs are not controlled scientific evidence.
• Reddit and other anecdotal reports do not establish efficacy or safety.
• Findings from Melanotan 1 should not automatically be attributed to Melanotan II.
• Findings from PT-141 should not automatically be attributed to Melanotan II.
• The Protide Health research product is not an FDA-approved drug product.

For these reasons, melanotan 2 peptide should be handled strictly as a laboratory research compound.

Literature & Citation Index

Melanocortin Receptor Agonists, Penile Erection, and Sexual Motivation: Human Studies With Melanotan II

Year: 2000
PMID: 11035391
DOI: 10.1038/sj.ijir.3900582
Research Context: Melanotan II as a non-selective melanocortin receptor agonist, controlled human experimental research, receptor-associated responses, and reported adverse effects.

Melanotan II Injection Resulting in Systemic Toxicity and Rhabdomyolysis

Year: 2012
PMID: 23121206
DOI: 10.3109/15563650.2012.740637
Research Context: Case report involving analytically confirmed Melanotan II, sympathomimetic symptoms, rhabdomyolysis, and renal dysfunction.

Melanoma Associated With the Use of Melanotan-II

Year: 2014
PMID: 24355990
Research Context: Case report of melanoma temporally associated with Melanotan II exposure and sunbed use.

Risks of Unregulated Use of Alpha-Melanocyte-Stimulating Hormone Analogues: A Review

Year: 2017
PMID: 28266027
DOI: 10.1111/ijd.13585
Research Context: Review of unregulated Melanotan I and II use and reported clinical safety concerns.

Melanotan II: A Possible Cause of Renal Infarction

Year: 2020
PMID: 31953620
DOI: 10.1007/s13730-020-00447-z
Research Context: Melanotan II pharmacology, renal safety concerns, and case-report evidence.

Frequently Asked Questions

What is Melanotan 2?

Melanotan 2 is a synthetic cyclic heptapeptide analogue of α-MSH and a melanocortin receptor agonist used in laboratory research.

What is the Melanotan 2 sequence?

The sequence is:

Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂

What is the molecular formula?

The verified formula is:

C50H69N15O9

with molecular weight approximately 1024.18 g/mol.

What is the CAS number?

The verified CAS number is:

121062-08-6

What is the PubChem CID?

The verified PubChem identifier is:

CID 92432

What does Melanotan 2 peptide research investigate?

Research has examined melanocortin receptor activation, melanocyte signaling, pigmentation pathways, central melanocortin signaling, reproductive neurobiology, and structure-activity relationships.

What is the difference between Melanotan 1 vs 2?

Melanotan 1 and Melanotan II are structurally different α-MSH analogues with different receptor profiles and research histories. Neither should be considered universally superior.

Are Melanotan 2 before and after images scientific evidence?

No. Melanotan 2 before and after images generally lack standardized experimental controls and do not establish efficacy or safety.

What is the Melanotan 2 dosage?

Protide Health does not provide a human melanotan 2 dosage. The 10mg quantity identifies vial contents only.

What is the Melanotan 2 dosage per day?

No human melanotan 2 dosage per day is provided. This product is not supplied for human administration.

What do published reports say about safety?

Case reports have described serious events including systemic toxicity, rhabdomyolysis, renal dysfunction, pigmentation changes, and other clinical concerns following unregulated human use. These reports do not define a complete safety profile but support caution.

Is Melanotan 2 Reddit information reliable?

Melanotan 2 reddit discussions are anecdotal and should not substitute for verified chemical records or peer-reviewed research.

What purity does Protide Health specify?

Protide Health specifies 99% purity, with HPLC-MS verification and third-party testing.

Is Melanotan 2 intended for human use?

No. This product is supplied solely for biochemical, melanocortin-receptor, cellular, molecular, analytical, in-vitro, and qualified preclinical research.

Laboratory Terms & Compliance

Laboratory Research Use Only

This melanotan 2 product is supplied exclusively for laboratory research, analytical testing, in-vitro studies, melanocortin receptor studies, cellular research, and qualified preclinical experimentation.

It is not intended for human or veterinary consumption, medical use, diagnostic use, tanning, cosmetic use, sexual enhancement, therapeutic use, injection, nasal administration, or clinical administration.

No human dosage, dosage-per-day schedule, injection instructions, nasal preparation, treatment cycle, tanning protocol, or human-use preparation instructions are provided.

The purchaser is responsible for appropriate laboratory handling, storage, and use under applicable institutional, federal, state, and local requirements.

For research use only.