Melanotan II
Non-selective melanocortin agonist producing rapid, deep tanning with significant libido enhancement and aphrodisiac effects.
Category
Tanning / Libido / Melanocortin
Frequency
Daily injection (loading) then maintenance
Research
Phase 2 CompletedWhat is Melanotan II?
Melanotan II (MT-2) is a synthetic cyclic analogue of alpha-MSH that activates multiple melanocortin receptors — primarily MC1, MC3, MC4, and MC5. The broad receptor activation profile produces both faster, darker tanning than MT-1, and pronounced effects on libido, appetite, and sexual function.
MT-2 became widely known in the biohacking community not only for its dramatic tanning effect but also because its activation of MC4 receptors in the brain produces significant aphrodisiac effects — spontaneous erections in men and increased sexual desire in both sexes. This dual function is either a benefit or side effect depending on the user.
It is important to note that MT-2 has a much more pronounced side effect profile than MT-1 (afamelanotide) due to its lack of receptor selectivity. The significant nausea, spontaneous erections, and appetite suppression make proper titration essential. Start at the lowest possible dose.
How It Works
MC1 Activation (Tanning): Activates MC1 receptors on melanocytes, stimulating rapid, dense eumelanin production. The tan develops faster and darker than MT-1 due to greater receptor activation.
MC4 Activation (Sexual Effects): MC4 receptors in the brain hypothalamus regulate sexual function. Activation produces spontaneous erections in men and heightened sexual arousal in both genders. This is also why MT-2 causes appetite suppression.
MC3 Activation: Additional receptor activation in the CNS and peripheral tissues contributes to the broader side effect profile including nausea and energy changes.
Benefits
- Rapid, deep tan — often visible within 1–2 weeks
- Dramatic libido enhancement in both men and women
- Potential treatment for sexual dysfunction (studied for erectile dysfunction)
- Appetite suppression as a secondary effect
- Long-lasting tan — maintains with less frequent dosing than MT-1
Dosing Protocol
| Phase | Dose | Frequency | Duration |
|---|---|---|---|
| Test dose | 100–250mcg | Single dose | Day 1 (assess tolerance) |
| Loading | 500mcg | Daily | 1–2 weeks |
| Maintenance | 250–500mcg | Every 5–7 days | Ongoing |
Always start at the lowest effective dose and titrate up gradually.
Side Effects
Common
- ⚠Significant nausea (especially when starting — take at bedtime)
- ⚠Spontaneous erections in men (can be frequent and unwanted)
- ⚠Flushing (warmth and redness 30–90 min post-injection)
- ⚠Appetite suppression / decreased hunger
- ⚠Yawning and fatigue shortly after injection
- ⚠Darker, more numerous moles and freckles
Rare
- •Dizziness or fainting (from blood pressure changes)
- •Abdominal cramping
- •Prolonged erection (priapism) — seek medical attention if over 4 hours
- •Changes to existing moles (monitor carefully)
Who Should NOT Use Melanotan II
- ✕History of melanoma or atypical moles
- ✕Personal or family history of skin cancer
- ✕Pregnancy or breastfeeding
- ✕Cardiovascular disease (BP effects)
- ✕Hormone-sensitive conditions
- ✕Under 18 years old
- ✕Not suitable for those who find sexual side effects unwanted
What to Expect
Take 100–250mcg at bedtime to sleep through nausea. Assess tolerance. Strong nausea, flushing, and possible erections should be expected.
Rapid tan develops with UV exposure. Significant appetite suppression. Sexual effects peak during loading. Take doses at bedtime to minimize nausea disruption.
Transition to maintenance dosing. Tan is well-established and maintained with weekly injections. Side effects diminish as dose frequency decreases.
FAQ
Q: How do I manage the nausea with MT-2?
A: Inject at bedtime so you sleep through the worst nausea (1–3 hours post-injection). Start at the lowest dose (250mcg), take with a small amount of food if needed, and increase dose only after your body adjusts over 3–5 days.
Q: Is MT-2 safe for women?
A: Yes, but at lower doses (typically 250–500mcg loading). Women also experience the libido-enhancing effects (increased desire, arousal). Nausea side effects are similar. There are no reproductive hormone disruptions reported at standard tanning doses.
Q: How does MT-2 tan compare to MT-1?
A: MT-2 produces a faster and darker tan. MT-1 produces a more gradual, even tan. MT-2 also maintains the tan more easily with less frequent dosing. The trade-off is MT-2 has significantly more side effects. For those who want a dramatic quick tan and can manage the side effects, MT-2 is more effective.
Where to Get Melanotan II in Vietnam
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