Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
A non-selective cyclic heptapeptide melanocortin receptor agonist (Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2) originally developed as a sunless-tanning / photoprotection candidate. Not FDA-approved; unregulated grey-market research chemical with documented safety signals including mole changes, eruptive atypical nevi, and case reports of new primary melanoma.
Lowest Price
$22.79
Highest Price
$261.00
Average Price
$51.09
Potential Savings
79%
across 42 options
8 of 42 vendors are lab-verified for Melanotan II
We cross-check each vendor's Certificate of Analysis against the issuing lab's own verification portal — so “cheapest” isn't the only signal.
Best price trend
Lowest $/mg for Melanotan II · last 45 days
$1.40/mg
▼ 53% vs 45d ago
Trust grade first, cheapest within grade
vial · 10mgglacieraminos.shop· price updated today
Lot MT210GA-03· tested 2026-04-09
$3.40/mg
86% more per mg
vial · 20mgionpeptide.com· price updated yesterday
Lot MLT210-03102026· tested 2026-03-16
$3.35/mg
86% more per mg
vial · 12.5mgskyepeptides.com· price updated today
Lot MT226-10-001· tested 2026-04-29
$3.92/mg
88% more per mg
vial · 10mgpeptidesupplyco.com· price updated 2d ago
Lot MT21003232026· tested 2026-03-25
$3.50/mg
86% more per mg
vial · 10mgmoglabs.bio· price updated today
Lot MT202· tested 2026-04-22
$2.80/mg
83% more per mg
vial · 10mgsimplepeptide.com· price updated today
Lot MEL209032025-J· tested 2025-09-10
$3.80/mg
87% more per mg
vial · 10mgnoxamino.com· price updated today
Lot NA-M20226-01· tested 2026-02-19
$4.90/mg
90% more per mg
vial · 10mgascensionpeptides.com· price updated today
$59.99−33%
$40.00$4.00/mg
88% more per mg
vial · 10mgprofoundaminos.com· price updated today
Lot 2025-04-03· tested 2025-04-21
$5.90/mg
92% more per mg
vial · 100mgzztai-tech.com· price updated today
$0.480/mg
vial · 10mgarcanepeptides.com· price updated today
Lot MT202· tested 2026-04-22
$3.50/mg
86% more per mg
vial · 10mgpuratekpeptides.com· price updated today
Lot M210001· tested 2026-02-19
$2.79/mg
83% more per mg
vial · 10mgtexpeptide.com· price updated today
$4.00/mg
88% more per mg
vial · 10mgforgeperformanceco.com· price updated today
$3.00/mg
84% more per mg
vial · 10mgcertified-pep.com· price updated today
Lot 260416ML103· tested 2026-05-08
$5.00/mg
90% more per mg
vial · 10mgpeptideplugs.com· price updated today
Lot 120-A-S· tested 2026-04-20
$4.00/mg
88% more per mg
vial · 10mgblankpeptides.com· price updated today
Lot 665394· tested 2026-04-06
$4.00/mg
88% more per mg
vial · 10mgpeptidetech.co· price updated 2d ago
$3.50/mg
86% more per mg
vial · 10mgezpeptides.com· price updated today
Lot EZP-MEL21005032026-06· tested 2026-05-15
$4.40/mg
89% more per mg
vial · 10mglicensedpeptides.com· price updated today
$73.33−10%
$65.99$6.60/mg
93% more per mg
vial · 10mgcernumbiosciences.com· price updated today
$4.50/mg
89% more per mg
vial · 100mgbulkpeptides.com· price updated today
$1.40/mg
66% more per mg
vial · 10mgalpha-peptides.com· price updated today
$24.65−8%
$22.79$2.28/mg
79% more per mg
vial · 100mgwellilabs.com· price updated 2d ago
$2.30/mg
79% more per mg
vial · 100mgatomiklabz.com· price updated today
$2.61/mg
82% more per mg
vial · 10mgmodernresearchpeptides.net· price updated today
$2.80/mg
83% more per mg
vial · 10mgtruepeptidelabs.com· price updated yesterday
$2.80/mg
83% more per mg
vial · 10mgsolutionpeptides.net· price updated yesterday
$2.90/mg
83% more per mg
vial · 10mgfelixchem.is· price updated today
$3.00/mg
84% more per mg
vial · 10mgpeptidecrafters.com· price updated 2d ago
$3.00/mg
84% more per mg
vial · 10mglumipeptides.com· price updated today
$3.00/mg
84% more per mg
vial · 10mgamc-essentials.com· price updated today
$3.30/mg
85% more per mg
vial · 10mgmyoasislabs.com· price updated today
$3.45/mg
86% more per mg
vial · 10mgnovapeptidesupply.com· price updated today
$3.50/mg
86% more per mg
vial · 10mgplatinumlionpeptides.com· price updated today
$39.00−10%
$34.99$3.50/mg
86% more per mg
vial · 10mgsouthernaminos.com· price updated today
$49.00−25%
$36.75$3.67/mg
87% more per mg
vial · 10mgalphaomegapeptide.com· price updated today
$3.80/mg
87% more per mg
vial · 10mgpeptira.com· price updated today
$3.90/mg
88% more per mg
vial · 10mgignitepeptides.com· price updated today
$4.00/mg
88% more per mg
vial · 10mggeneticpeptide.com· price updated today
$4.00/mg
88% more per mg
vial · 10mgnextechlaboratories.com· price updated today
$4.00/mg
88% more per mg
vial · 10mgonedaycompounds.com· price updated today
$4.50/mg
89% more per mg
vial · 10mgyoursoma.com· price updated today
$4.90/mg
90% more per mg
vial · 10mgorosresearch.com· price updated today
Lot OR-LPMT2-426-B5· tested 2026-04-16
$3.00/mg
84% more per mg
vial · 11mgpeptidology.co· price updated today
Lot 01-048-PD-1359· tested 2025-07-24
$4.00/mg
88% more per mg
vial · 10mgngpeptide.com· price updated today
Lot MT01· tested 2025-12-02
$2.50/mg
81% more per mg
vial · 17mgpolarispeptides.com· price updated today
$2.65/mg
82% more per mg
vial · 10mgcorepeptides.com· price updated today
$4.10/mg
88% more per mg
Check formulation: Lyophilized powder requires reconstitution before use. Pre-mixed solutions are more convenient but may have a shorter shelf life and higher prices.
Compare per-mg cost: Different strengths and quantities make direct price comparison difficult. Calculate the per-milligram cost to find the true best value.
Verify COAs: Look for vendors that publish per-batch Certificates of Analysis from named, accredited labs. Every vendor on this page is verified for endotoxin testing — not just HPLC purity.
Melanotan II was developed by Hruby, Hadley, and colleagues at the University of Arizona in the 1980s. The seminal Phase I clinical study is Dorr et al. (Life Sciences, 1996; PMID 8637402), a pilot trial in three healthy male volunteers that documented dose-dependent pigmentation together with nausea, a 'stretching and yawning complex,' and spontaneous penile erections — the MC4R sexual-arousal signal that later motivated the development of bremelanotide (PT-141/Vyleesi). MT-II itself was never advanced to Phase III and has never received regulatory approval in any jurisdiction. As unregulated consumer use expanded through the 2000s, dermatology literature accumulated safety signals: Langan et al. (BMJ 2009, PMID 19174439) reported changes in moles among young users of unlicensed 'sun tan jab' preparations; Cardones & Grichnik (Arch Dermatol 2009, PMID 19380666) described alpha-MSH-induced eruptive atypical nevi in a patient with dysplastic nevi and prior melanoma who used MT-II; Evans-Brown et al. (BMJ 2009, PMID 19224885) documented widespread unregulated population use. Further case reports describe new primary cutaneous melanoma in young MT-II users and rare rhabdomyolysis. Regulators (FDA, UK MHRA, Australian TGA) have explicitly warned against use. Note: the Barnetson et al. 2006 photoprotection study (J Invest Dermatol, PMID 16763547) evaluated the related linear analog [Nle4-D-Phe7]-alpha-MSH (afamelanotide / Melanotan-I), not MT-II. Category 2 classification reflects documented safety concerns from non-selective melanocortin activation combined with oncologic signals.
This platform provides informational tools only, not medical advice.
Evaluation of melanotan-II, a superpotent cyclic melanotropic peptide in a pilot phase-I clinical study (Dorr et al., Life Sci)
1996
Change in moles linked to use of unlicensed 'sun tan jab' (Langan et al., BMJ)
2009
alpha-Melanocyte-stimulating hormone-induced eruptive nevi (Cardones & Grichnik, Arch Dermatol)
Prices verified as of June 2026. Actual prices may vary. For research use only.
Prices are estimates and may vary. For research use only. We may earn a commission on purchases through affiliate links. Not medical advice.
2009
Disclosed Labs