Melanotan 2 Acetate – Research Peptide Pen (10mg / 3ml)
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What is Melanotan 2?
Melanotan 2 (MT-II) is a synthetic cyclic heptapeptide analog of α-MSH (alpha-melanocyte-stimulating hormone) — a naturally occurring neuropeptide that serves as a primary activator of the melanocortin receptor system. Through targeted structural modifications, including D-Phe substitution at position 7 and lactam cyclization between Asp5 and Lys10, Melanotan 2 achieves dramatically increased potency, stability, and resistance to enzymatic degradation compared to native α-MSH, making it one of the most widely utilized tools in melanocortin receptor pharmacology research.
As a potent, non-selective agonist of the melanocortin receptors — primarily MC1R, MC3R, MC4R, and MC5R — Melanotan 2 engages a remarkably broad range of physiological pathways, from pigmentation and photoprotection to central nervous system-mediated appetite, sexual function, and behavioral regulation.
This pen delivers ultra-high purity Melanotan 2 Acetate (>99%, third-party HPLC and mass spectrometry verified) in a sterile, ready-to-use 10mg / 3ml pre-filled format — the research benchmark for potent, multifunctional α-MSH mimicry across pigmentation, metabolic, and behavioral research domains.
What are the benefits of Melanotan 2 in research?
Melanotan 2’s non-selective melanocortin receptor agonism produces a uniquely diverse range of physiological effects, making it one of the most versatile peptides available for multi-domain research investigation. Key areas of interest include:
- Pigmentation & melanogenesis: Via potent MC1R activation in melanocytes, Melanotan 2 robustly stimulates eumelanin synthesis, producing reliable and reproducible skin darkening responses that have made it a foundational compound in pigmentation biology research.
- Photoprotection: Melanotan 2-driven increases in melanin production have been investigated as a potential natural UV shield, with research exploring its capacity to reduce UV-induced DNA damage and support photoprotective mechanisms at the cellular level.
- Appetite suppression & weight regulation: Through central MC4R signaling pathways, Melanotan 2 has demonstrated meaningful appetite-suppressing effects in research models, positioning it as a compound of interest for investigations into melanocortin-mediated energy balance and body weight regulation.
- Sexual function & libido pathways: Melanotan 2’s activation of MC3R and MC4R receptors in the central nervous system has been extensively investigated in studies of sexual arousal, erectile function, and libido-related behavioral pathways — one of the compound’s most widely researched non-pigmentation applications.
- Anti-inflammatory & immunomodulatory effects: Research has documented melanocortin system activation’s influence on inflammatory signaling and immune modulation, with Melanotan 2 investigated as a tool for exploring these pathways across a range of experimental models.
- Cardiovascular effects: Studies have examined Melanotan 2’s influence on cardiovascular parameters linked to broader melanocortin receptor activation, contributing to the growing body of research on the melanocortin system’s role in cardiovascular physiology.
- Pain modulation & neuroprotection: Melanotan 2 has been utilized in research models exploring pain processing, neuroprotective mechanisms, and behavioral responses mediated by central melanocortin receptor signaling — reflecting the system’s broad reach within the CNS.
Research Background & Scientific Context
Melanotan 2 has accumulated an extensive research history since its original development as part of the University of Arizona’s program to investigate synthetic α-MSH analogs for photoprotection. Its cyclic structure and structural modifications produce a compound with significantly enhanced receptor binding affinity and in vivo stability relative to the native hormone, enabling consistent and reproducible experimental outcomes across a wide range of study designs.
Research utilizing Melanotan 2 has spanned pigmentation biology, neuroendocrinology, reproductive physiology, metabolic science, and immunology — a breadth of application that reflects the melanocortin system’s fundamental role in mammalian physiology. Its biological activity half-life of approximately 1–2 hours, combined with cumulative receptor effects that persist for days following administration, supports infrequent dosing schedules in many research models and makes the 10mg / 3ml pen well-suited to both short- and longer-term experimental protocols.
Proper Usage & Dosage Guidelines
The dosage and administration of Melanotan 2 for research purposes should be determined in accordance with the specific experimental protocol in use. The compound is administered via subcutaneous injection. Its relatively short circulating half-life of approximately 1–2 hours, combined with the lasting cumulative receptor effects it produces, supports flexible and infrequent administration schedules across a range of research models.
Pen Specifications – Melanotan 2 Acetate 10mg / 3ml Pen:
The pen contains 10mg of Melanotan 2 Acetate in 3ml solution (~3.33mg/ml concentration), offering excellent dosing flexibility for both short-term pharmacological studies and longer-duration experimental protocols.
Additional Usage Notes:
- Inject into the abdomen area or the front of the thigh
- After injecting, wait 10 seconds before removing the needle
- Rotate injection sites between administrations
- Store refrigerated at all times (2–8°C); do not freeze
- Use sterile, single-use needles only — replace with each injection
- Protect from light exposure; the compound is light-sensitive
Possible Side Effects
Consistent with the melanocortin receptor agonist research literature, Melanotan 2 investigations have identified a characteristic profile of observed effects. Commonly documented responses include transient nausea, facial flushing, fatigue, and spontaneous erections in male subjects — effects that are most prominent following initial administrations and typically diminish with continued use. Darkening of existing moles or nevi and the appearance of new pigmented spots have also been observed in research models and warrant careful monitoring in relevant study designs.
Injection site reactions including mild redness or discomfort have been noted. Adherence to established dosing protocols and careful dose titration remains the most reliable approach to managing the response profile across research settings.
What’s Included
- Reusable precision peptide pen injector
- Pre-filled Melanotan 2 Acetate (MT-II) solution — 10mg / 3ml
- Detailed usage instructions
- 10 sterile, single-use needles
Why Choose This Melanotan 2 Pen?
This Melanotan 2 Acetate pen is manufactured to deliver MT-II at greater than 99% purity, independently verified by third-party HPLC and mass spectrometry analysis. The stable cyclic peptide structure ensures reliable and reproducible melanocortin receptor activation across experimental replicates, while the sterile, ready-to-use pre-filled pen format provides precise dosing and maximum laboratory convenience. The generous 10mg / 3ml capacity supports both short-duration pharmacological studies and extended research protocols requiring sustained compound availability.
Advance your melanocortin receptor research with Melanotan 2 — the research benchmark for potent, multifunctional α-MSH mimicry across pigmentation, metabolic, and behavioral domains.
The information presented has been collected from published studies and analyses and is not intended for diagnosing, treating, or preventing any disease.
Notice: Melanotan 2 Acetate is sold strictly and exclusively for in-vitro laboratory research, scientific experimentation, and analytical purposes only. It is not a pharmaceutical product, cosmetic agent, tanning supplement, therapeutic compound, or substance intended for human or animal consumption, diagnosis, treatment, performance enhancement, or any medical or veterinary application whatsoever. The purchaser assumes full responsibility for proper refrigerated storage, safe handling, legal compliance, and adherence to all applicable institutional, national, and international regulations.
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