R550,00
Tanning Peptide, Sexual Arousal, Libido, Neuroprotection.
R550,00
9 in stock
MT-2 is a lab-made synthetic cyclic heptapeptide – a precise 7-amino-acid analog of natural -melanocyte-stimulating hormone (-MSH) with the structure Ac-Nle-cyclo(Asp-His-D-Phe-Arg-Trp-Lys)-NH. Developed at the University of Arizona in the 1990s as a super-potent successor to Melanotan I (afamelanotide/Scenesse, which later became FDA-approved for a rare skin disorder). It was originally researched for sunless tanning and erectile dysfunction. A related derivative became the approved drug bremelanotide (Vyleesi) for female sexual dysfunction.
Think of MT-2 as a ‘full-body tanning and arousal switch.’ It over-activates your melanocortin system for multiple effects.
How it works:
Potent agonist at melanocortin receptors (MC1R for skin pigmentation/melanin production; MC3R/MC4R for appetite suppression and sexual arousal pathways in the brain).
Main benefits (from small human pilots and user reports; strongest for tanning and libido):
1. Rapid, deep tanning – produces melanin even with minimal UV; darker, longer-lasting tan; some sunburn protection.
2. Strong libido & erectile boost – spontaneous erections and increased sexual desire (this effect led directly to the development of the approved drug bremelanotide).
3. Appetite suppression & mild fat loss – reduces hunger; some users report easier dieting.
4. Bonus signals: possible neuroprotective or anti-inflammatory hints in preclinical models.
MT-2 has more pronounced side effects than most research compounds.
Common (dose-related, often during loading):
– Nausea, vomiting, stomach cramps, flushing, yawning/stretching, tiredness, decreased appetite.
– Spontaneous/prolonged erections (priapism risk in men).
– Injection-site reactions.
– Darkening of existing moles/freckles, changes in skin pigmentation.
– Reports of skin cancer/melanoma in rare cases of misuse.
Rare:
– Unregulated products = high contamination risk; many health agencies have issued strong safety alerts.
– Theoretical increased melanoma risk with UV exposure.
– Not for pregnancy, breastfeeding, history of skin cancer, or certain hormonal conditions.
No official guidelines (not approved), so these come from early clinical pilots and common research/clinic protocols. Start extremely low to test tolerance.
Typical dose (subcutaneous injection):
– Loading phase: 0.25-0.5 mg per day (or every other day) for 7-14 days until desired tan level.
– Maintenance: 0.5-1mg 1-2 times per week.
Reconstitute 10 mg vial with 2-5 mL bacteriostatic water (common concentrations: 200-500 mcg per 10 units or 0.1 mL).
Cycling:
– Loading until tan achieved (usually 1-2 weeks), then maintenance dosing.
– Many take breaks of 4-8 weeks to let tan fade naturally; no formal long-term cycling data.
Tip: Store reconstituted in fridge. Use insulin syringes. Tan fades slowly over months once stopped.
‘Barbie drug’ nickname exploded in popularity for giving a perfect, year-round tan without sun (especially among bodybuilders and models).
– Accidental discovery – researchers were testing it for skin cancer prevention when they noticed the intense tanning + sexual side effects.
– Led to an approved drug – the sexual arousal effect directly inspired bremelanotide (Vyleesi), the FDA-approved treatment for low female libido.
– Cyclic super-potent – the ‘lactam bridge’ in its structure makes it ~1000× more powerful than natural ?-MSH at tanning receptors.
– Yawning & stretching complex – one of the weirdest consistent side effects; researchers called it the ‘stretch-yawn syndrome.’
– Mole changer – can permanently darken or create new moles one reason dermatologists strongly oppose it.
– 1990s origin story – synthesized as part of a University of Arizona sunless-tanning program that also created the (now-approved) Melanotan I.
Melanotan II stands out as one of the riskiest compounds we’ve discussed – the tanning and libido effects are undeniably strong, but the potential downsides (especially skin cancer concerns and mole changes) make it one to avoid.
Human data is extremely limited (mostly small 1990s pilots for tanning/ED); no large modern trials because development was halted for safety reasons. Most evidence is preclinical or anecdotal.
1. Dorr et al. (1996) Phase I pilot (PubMed): MT-II produced tanning in humans with just 5 low doses (0.01- 0.03 mg/kg); mild nausea and erections noted.
2. WebMD / RxList monographs (updated 2026): Summarizes possibly unsafe status, side effects (nausea, moles, skin cancer reports), and typical 0.025 mg/kg dosing from early ED studies.
3. DermNet NZ overview (2026): Unlicensed; short-term side effects (flushing, nausea, vomiting); long-term risks (moles, melanoma concerns).
4. Wikipedia / history summary (2026): Developed for tanning; unlicensed; linked to spontaneous erections; health agencies advise against use.
5. Gilhooley et al. (2021) qualitative forum study: User motivations (tanning, bodybuilding) and real-world side-effect reports (nausea, moles, erections).
6. TGA / HPRA safety alerts (20232025, still active 2026): Serious health risks including melanoma; do not use.
7. 2026 case reports (oral mucosa melanoma & mucosal changes): Potential link to MT-II injections; calls for stronger warnings.
8. Swolverine / clinical reviews (2025): Benefits (tanning, libido, appetite) but emphasizes unregulated status and risks.
9. Medical News Today (updated references 2026): Linked to skin cancer, kidney infarction; experts say avoid entirely.
10. DrOracle / regulatory summaries (20252026): Non-selective melanocortin agonist; super-potent but high side-effect burden and no approval path.
Takeaway: Tiny early human pilots showed tanning/ED effects, but development stopped and modern warnings dominate due to safety issues.
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