All peptides · Skin, hair & tanning · Sexual health & hormones

Melanotan II

Q: What is Melanotan II?

Cyclic alpha-MSH analog. Causes tanning and also raises libido (the basis for PT-141). Associated with nausea, darkened moles and other safety concerns. Also searched as melanotan.

Q: How much does Melanotan II cost?

The cheapest Melanotan II from an independently tested vendor is $0.450 per mg (Cartman Gear, LOBSTER MELANOTAN II 10MG KIT [Lobster Intl], $45.00). Across 125 listings from 84 vendors the median is $3.00 per mg.

Q: Where can I buy Melanotan II?

84 vendors tested by Finnrick sell Melanotan II. The cheapest per mg right now: Cartman Gear ($0.450), Huaian Dinglin Trading ($0.450), Shanghai Wibson Biotechnology WBS ($0.500). 26 of them publish a lab report (COA) for Melanotan II; compare lab scores and reports in the table above before buying.

Q: How much bacteriostatic water for 10 mg of Melanotan II?

Adding 2 mL of bacteriostatic water to a 10 mg vial of Melanotan II gives 5 mg/mL: each 10 units on a U-100 insulin syringe holds 500 mcg. With 1 mL it's 10 mg/mL (1,000 mcg per 10 units); with 3 mL, 3.333 mg/mL (333.3 mcg per 10 units). More water makes small amounts easier to measure. Mixing charts: 10 mg.

Q: Does Melanotan II work? What does the research say?

Evidence grade B (some human evidence), from 11 papers: One 20-man placebo-controlled crossover RCT (erections) and a 3-man tanning pilot; the rest is animal work and case reports of harm from unlicensed use. Melanotan II was never approved; human data are limited to a 3-man phase I tanning study and a 20-man placebo-controlled crossover study in erectile dysfunction, plus animal research. Much of the recent literature consists of case reports of harm (melanoma, priapism, rhabdomyolysis, renal infarction) in people using unlicensed online products. See the papers.

Q: Are there clinical trials of Melanotan II?

ClinicalTrials.gov lists 1 registered trials of Melanotan II: 1 active, 0 completed. Examples: Melanotan II (MT-II) as an Adjunct to NB-UVB Phototherapy for Repigmentation in Stable Nonsegmental Vitiligo (Recruiting, Phase 2, 60 people).

Q: What dose of Melanotan II was used in studies?

Melanotan II is studied in people. men with psychogenic erectile dysfunction (double-blind crossover): 0.025 mg/kg single injections of drug or placebo; men with erectile dysfunction and organic risk factors (double-blind crossover): 0.025 mg/kg two injections of drug and two of vehicle; healthy male volunteers (pilot phase I, single-blind): 0.01 mg/kg, escalated in 0.005 mg/kg steps to 0.025-0.03 mg/kg daily Monday-Friday, alternating with saline days. These are amounts used in published studies or official labels, not a recommendation.

Q: What are the side effects of Melanotan II?

Reported in the research: Nausea; Yawning and stretching; Spontaneous erections; Somnolence and fatigue; Priapism. Unlicensed products; no controlled long-term human safety data.

Skin, hair & tanningSexual health & hormones

Cyclic alpha-MSH analog

Causes tanning and also raises libido (the basis for PT-141). Associated with nausea, darkened moles and other safety concerns.

Not approved anywhere; regulators warn against its use.

Look it up on Wikipedia

125 listings across 84 independently tested vendors, ranked by price per milligram after coupon codes anyone can use. Vendors you can only order from by message are hidden.

Cheapest right now

$0.450 per mg

Cartman Gear

LOBSTER MELANOTAN II 10MG KIT [Lobster Intl]

$45.00 for 10 × 10 mg = 100 mg

Metascore 83 low confidenceFinnrick 80%TitrateLabNo report for thisConfirmed with lab: 3 of 3Online checkout

Go to cartmangear.com

Some links here are affiliate links: if you buy through one, this site may earn a commission at no extra cost to you. Prices, rankings and plans are worked out the same way whether or not a vendor pays one.

US compoundingUnder review, not compoundable yet

Removed from Category 2 in April 2026; FDA plans to put it to its compounding advisory committee before the end of February 2027. Until FDA adds it to the 503A bulks list, US pharmacies can't compound it from bulk.

Sources: FDA: safety risks of certain bulk drug substances (Apr 22, 2026) · Orrick: FDA removes 12 peptides from Category 2 (Apr 2026) · checked 2026-10-08 · All peptides' status

Price per mg across 81 vendors

$0.450 cheapest$3.00 median$7.50 highest

Vendor lab reports

26 of 84 vendors

publish a readable report for Melanotan II; typical vial measures 107% of label. 1 with COA concerns 6 publish none.

Research

B Some human evidence

11 papers reviewed ✓ 2✗ 8? 1

Daily price tracking started October 7, 2026; a price-history chart appears here once a few days have been collected.

Vendor	Trust	Listing	Vials	Price	Per mg
Cartman Gear #24 by metascore	Metascore 83 low confidenceFinnrick 80%TitrateLabNo report for thisConfirmed with lab: 3 of 3Online checkout	LOBSTER MELANOTAN II 10MG KIT [Lobster Intl]	10 × 10 mg = 100 mg	$45.00 $4.50 per vial	$0.450	Buy
Huaian Dinglin Trading #268 by metascore · China	Metascore 70Finnrick 61%Bought vials 97% of label · 10 testsTitrateLabLab report (image)Online checkout	tanning peptide MT-2 (Melanotan 2 Acetate) cas121062-08-6 10mgx10vials	10 × 10 mg = 100 mg	$45.00 $4.50 per vial	$0.450	Buy
Shanghai Wibson Biotechnology WBS #263 by metascore · China	Metascore 70Finnrick 65%Bought vials 99% of label · 58 testsNo report for thisOnline checkout	Melanotan 2 10mg*10vials (China warehouse) [jinjier]	10 × 10 mg = 100 mg	$50.00 $5.00 per vial	$0.500	Buy
Aavant Research #2 by metascore · US	Metascore 90Finnrick 86%Bought vials 103% of label · 24 testsTitrateLabNo report for thisOnline checkout	Melanotan 2 10mg	10 × 10 mg = 100 mg	$55.00 $5.50 per vial	$0.550	Buy
Andy Peps Studio #64 by metascore · China	Metascore 79Finnrick 73%Bought vials 102% of label · 42 testsNo report for thisOnline checkout	ML10 MT-2 (Melanotan 2 Acetate) 10mg * 10 vials	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
Baohua Dongnuo Biotechnology BHD #77 by metascore · China	Metascore 78Finnrick 71%Bought vials 101% of label · 20 testsNo report for thisOnline checkout	ML10 MT-2 (Melanotan 2 Acetate) 10mg * 10 vials	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
LN Peptides #254 by metascore · China	Metascore 71Finnrick 72%Bought vials 99% of label · 39 testsTitrateLabNo report for thisOnline checkout	ML10 MT-2 (Melanotan 2 Acetate) 10mg * 10 vials	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
BeiBangAn #28 by metascore · China	Metascore 83Finnrick 68%Bought vials 102% of label · 70 testsLab report (image)Online checkout	ML10 MT-2 (Melanotan 2 Acetate) 10mg * 10 vials	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
Uther #62 by metascore · China	Metascore 79Finnrick 64%Bought vials 105% of label · 73 testsTitrateLabNo report for thisOnline checkout	Melanotan 2 10mg (10 Vials / Kit)	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
Mai Peptide #35 by metascore · China	Metascore 82Finnrick 60%Bought vials 101% of label · 107 testsTitrateLabLab 100% pure · 148% of labelConfirmed with lab: 26 of 26Online checkout	Melanotan 2 Acetate 10mg*10vials	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
Shanghai Wibson Biotechnology WBS #263 by metascore · China	Metascore 70Finnrick 65%Bought vials 99% of label · 58 testsNo report for thisOnline checkout	Melanotan 2 10mg*10vials (US warehouse 01) [jinjier]	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
Shanghai Wibson Biotechnology WBS #263 by metascore · China	Metascore 70Finnrick 65%Bought vials 99% of label · 58 testsNo report for thisOnline checkout	Melanotan 2 10mg*10vials (Canada warehouse) [jinjier]	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
Shanghai Wibson Biotechnology WBS #263 by metascore · China	Metascore 70Finnrick 65%Bought vials 99% of label · 58 testsNo report for thisOnline checkout	Melanotan 2 10mg*10vials (US Warehouse 02) [jinjier]	10 × 10 mg = 100 mg	$60.00 $6.00 per vial	$0.600	Buy
HkRoids #210 by metascore · US?	Metascore 72Finnrick 58%Bought vials 102% of label · 73 testsTitrateLabCOA concernsConfirmed with lab: 14 of 14Online checkout	Melanotan 2 – High-Quality Lyophilized Peptide 10mg (10 vials) Wholesale	10 × 10 mg = 100 mg	$63.00 $6.30 per vial	$0.630	Buy
The lab-results page shows reports issued to other US brands (OPS Aminos, Research Grade Peptides, etc.) with those brands' labelled vials. HKRoids says they are its wholesale customers' tests, but no lot or brand link can be verified. Checked 2026-10-08. How we check
Huatai Peptide #15 by metascore · China	Metascore 85Finnrick 72%Bought vials 97% of label · 12 testsTitrateLabNo report for thisConfirmed with lab: 15 of 15Online checkout	MT2 10Bottlex10mg	10 × 10 mg = 100 mg	$64.00 $6.40 per vial	$0.640	Buy
Shanghai Wibson Biotechnology WBS #263 by metascore · China	Metascore 70Finnrick 65%Bought vials 99% of label · 58 testsNo report for thisOnline checkout	Melanotan 2 10mg*10vials (China warehouse) [wbspeptide.com]	10 × 10 mg = 100 mg	$65.00 $6.50 per vial	$0.650	Buy
Cartman Gear #24 by metascore	Metascore 83 low confidenceFinnrick 80%TitrateLabNo report for thisConfirmed with lab: 3 of 3Online checkout	LOBSTER MELANOTAN-2 10MG KIT [Lobster Intl]	10 × 10 mg = 100 mg	$80.00 $8.00 per vial	$0.800	Buy
BFF Chem #76 by metascore	Metascore 78 medium confidenceFinnrick 78%Bought vials 94% of label · 4 testsTitrateLabNo report for thisOnline checkout	Melatonin 2 (MT2) MT2-10 10mg (kit of 10 vials)	10 × 10 mg = 100 mg	$80.00 $8.00 per vial	$0.800	Buy
Bfflink #164 by metascore	Metascore 73Finnrick 75%Bought vials 97% of label · 40 testsBought vials underdosed: 32% vs 0% in own COAsTitrateLabNo report for thisOnline checkout	Melatonin 2 (MT2) MT2-10 10mg (kit of 10 vials)	10 × 10 mg = 100 mg	$80.00 $8.00 per vial	$0.800	Buy
Bfflist AMO #22 by metascore	Metascore 84Finnrick 72%Bought vials 94% of label · 72 testsNo report for thisOnline checkout	Melatonin 2 (MT2) MT2-10 10mg	10 × 10 mg = 100 mg	$80.00 $8.00 per vial	$0.800	Buy
Shanghai Wibson Biotechnology WBS #263 by metascore · China	Metascore 70Finnrick 65%Bought vials 99% of label · 58 testsNo report for thisOnline checkout	Melanotan 2 10mg*10vials (US warehouse 01) [wbspeptide.com]	10 × 10 mg = 100 mg	$80.00 $8.00 per vial	$0.800	Buy
Shanghai Wibson Biotechnology WBS #263 by metascore · China	Metascore 70Finnrick 65%Bought vials 99% of label · 58 testsNo report for thisOnline checkout	Melanotan 2 10mg*10vials (Canada warehouse) [wbspeptide.com]	10 × 10 mg = 100 mg	$80.00 $8.00 per vial	$0.800	Buy
Shanghai Wibson Biotechnology WBS #263 by metascore · China	Metascore 70Finnrick 65%Bought vials 99% of label · 58 testsNo report for thisOnline checkout	Melanotan 2 10mg*10vials (US Warehouse 02) [wbspeptide.com]	10 × 10 mg = 100 mg	$80.00 $8.00 per vial	$0.800	Buy
Peptides Book #186 by metascore	Metascore 73 medium confidenceFinnrick 81%Bought vials 92% of label · 3 testsTitrateLabNo public reportsOnline checkout	Melanotan II 10mg*10vials	10 × 10 mg = 100 mg	$89.00 $8.90 per vial	$0.890	Buy
Hangzhou Youngpeptide Biotechnology HYB #153 by metascore	Metascore 74Finnrick 71%Bought vials 100% of label · 23 testsNo report for thisOnline checkout	MT-2 10 mg – 10 Vials	10 × 10 mg = 100 mg	$90.00 $9.00 per vial	$0.900	Buy
Chimera Peptides #19 by metascore	Metascore 84Finnrick 87%Bought vials 101% of label · 27 testsTitrateLab · Peptide CriticNo report for thisOnline checkout	Melanotan 2 10mg x 20vials 20% off with code (paying with crypto)	20 × 10 mg = 200 mg	$200.00 20% off with code (paying with crypto) $10.00 per vial	$1.00	Buy
Chimera Peptides #19 by metascore	Metascore 84Finnrick 87%Bought vials 101% of label · 27 testsTitrateLab · Peptide CriticNo report for thisOnline checkout	Melanotan 2 10mg x 10vials 20% off with code (paying with crypto)	10 × 10 mg = 100 mg	$110.00 20% off with code (paying with crypto) $11.00 per vial	$1.10	Buy
Bulk Peptide Wholesale #29 by metascore	Metascore 82 medium confidenceFinnrick 68%Bought vials 103% of label · 7 testsTitrateLab · PeptideBaseLab report (image)Online checkout	MELANOTAN II 10 mg (10 vials)	10 × 10 mg = 100 mg	$125.00 $12.50 per vial	$1.25	Buy
Domestic Peps #52 by metascore	Metascore 80 medium confidenceFinnrick 76%TitrateLabLab 99.9% pure · 95% of labelConfirmed with lab: 34 of 34Account needed	MT2-10mg 10/FULL KIT (silver/yellow cap)	10 × 10 mg = 100 mg	$150.00 $15.00 per vial	$1.50	Buy
Domestic Peps #52 by metascore	Metascore 80 medium confidenceFinnrick 76%TitrateLabLab 99.9% pure · 95% of labelConfirmed with lab: 34 of 34Account needed	MT2-10mg 5/HALF KIT (silver/yellow cap)	5 × 10 mg = 50 mg	$75.00 $15.00 per vial	$1.50	Buy
Sunrise BioResearch #18 by metascore	Metascore 85 medium confidenceFinnrick 81%Bought vials 110% of label · 8 testsTitrateLabNo report for thisOnline checkout	MT-2 10mg x 10vials, 100mg	10 × 10 mg = 100 mg	$170.00 $17.00 per vial	$1.70	Buy
Qingdao Sigma Chemical QSC #69 by metascore	Metascore 78Finnrick 64%Bought vials 103% of label · 47 testsNo report for thisOnline checkout	Melanotan II 10mg \| 20-Vial Kit \| MT-II MT-2 Tanning Peptide Kit	20 × 10 mg = 200 mg	$350.00 $17.50 per vial	$1.75	Buy
Dragon Pharma #42 by metascore	Metascore 80 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	Melanotan 2 (MT2) 10mg (vial) [International]	1 × 10 mg	$18.00	$1.80	Buy
PepClub USA #37 by metascore	Metascore 81 medium confidenceFinnrick 81%Bought vials 87% of label · 4 testsTitrateLabNo report for thisOnline checkout	ML2 10MG MELANOTAN 2 ACETATE CASE OF 10 VIALS	10 × 10 mg = 100 mg	$185.00 $18.50 per vial	$1.85	Buy
Nexaph #90 by metascore	Metascore 76Finnrick 57%PepIndex 19/100Bought vials 109% of label · 285 testsTitrateLab · PeptideBaseNo report for thisOnline checkout	Melanotan II – 10mg (10 vials/kit)	10 × 10 mg = 100 mg	$188.00 $18.80 per vial	$1.88	Buy
Alpha Peptides Affiliate #55 by metascore · US	Metascore 79 low confidenceFinnrick 75%TitrateLab · Peptide CriticLab 99.9% pure · 107% of labelConfirmed with lab: 13 of 13Account needed	Melanotan II 10 MG 10% off with code	1 × 10 mg	~~$22.10~~ $19.89 10% off with code	$1.99 list $2.21	Buy
Crush Research Affiliate #91 by metascore · US	Metascore 76Finnrick 51%Bought vials 107% of label · 17 testsTitrateLabLab 99.8% pure · 105% of labelOnline checkout	Melanotan-2 10mg — 10-Pack	10 × 10 mg = 100 mg	$199.00 $19.90 per vial	$1.99	Buy
Qingdao Sigma Chemical QSC #69 by metascore	Metascore 78Finnrick 64%Bought vials 103% of label · 47 testsNo report for thisOnline checkout	Melanotan II 10mg \| 10-Vial Kit \| MT-II MT-2 Tanning Peptide Kit	10 × 10 mg = 100 mg	$200.00 $20.00 per vial	$2.00	Buy
Eros Peptides #129 by metascore · US, GA 30339	Metascore 74 medium confidenceFinnrick 77%Bought vials 110% of label · 3 testsTitrateLab · Peptide CriticNo report for thisOnline checkout	Melanotan-II 10MG	1 × 10 mg	$20.39	$2.04	Buy
PepLab Solutions #135 by metascore	Metascore 74 medium confidenceFinnrick 80%Bought vials 100% of label · 3 testsBought vials underdosed: 33% vs 0% in own COAsTitrateLabLab 99.8% pure · 93% of labelAccount needed	MT-2 10mg, 10 Vial Kit	10 × 10 mg = 100 mg	$219.99 $22.00 per vial	$2.20	Buy
Sigma Peptides #94 by metascore · US	Metascore 76 medium confidenceFinnrick 73%Bought vials 100% of label · 3 testsTitrateLabNo report for thisOnline checkout	Melanotan II 10MG	1 × 10 mg	$22.49	$2.25	Buy
Regenerative Research Affiliate #56 by metascore	Metascore 79 low confidenceFinnrick 62%TitrateLab · PeptideBaseLab 99.8% pure · 101% of labelOnline checkout	Melanotan-2 (11mg)	1 × 11 mg	$25.00	$2.27	Buy
Cartman Gear #24 by metascore	Metascore 83 low confidenceFinnrick 80%TitrateLabNo report for thisConfirmed with lab: 3 of 3Online checkout	LOBSTER MT2 (10MG) X 10 VIALS AUSTRALIA DOMESTIC [AU domestic]	10 × 10 mg = 100 mg	$231.00 $23.10 per vial AUD 350	$2.31	Buy
NextGen Health Affiliate #7 by metascore · US	Metascore 86 medium confidenceFinnrick 80%PepIndex 96/100Bought vials 96% of label · 6 testsTitrateLabLab 100% pure · 104% of labelOnline checkout	MT-2 10MG	1 × 10 mg	$24.99	$2.50	Buy
Evolve BioPep #134 by metascore · US	Metascore 74Finnrick 66%Bought vials 103% of label · 11 testsTitrateLab · Peptide CriticNo report for thisOnline checkout	Melanotan-2 10mg	1 × 10 mg	$24.99	$2.50	Buy
Bio Pepz #98 by metascore · US	Metascore 76 medium confidenceFinnrick 82%Bought vials 110% of label · 4 testsTitrateLabNo report for thisAccount needed	MT-2 10MG	1 × 10 mg	$25.00	$2.50	Buy
Domestic Peps #52 by metascore	Metascore 80 medium confidenceFinnrick 76%TitrateLabLab 99.9% pure · 95% of labelConfirmed with lab: 34 of 34Account needed	MT2-10mg 1 (silver/yellow cap)	1 × 10 mg	$25.00	$2.50	Buy
Ion Peptide #4 by metascore	Metascore 87 medium confidenceFinnrick 82%Bought vials 108% of label · 4 testsTitrateLab · PeptideBase · Peptide CriticNo report for thisConfirmed with lab: 40 of 40Online checkout	MLT II 20mg	1 × 20 mg	$50.25	$2.51	Buy
Glacier Aminos Affiliate #73 by metascore	Metascore 78 low confidenceFinnrick 77%TitrateLab · Peptide CriticNo report for thisOnline checkout	MELANOTAN 2 10MG (10-Pack)	10 × 10 mg = 100 mg	$254.93 $25.49 per vial	$2.55	Buy
Crush Research Affiliate #91 by metascore · US	Metascore 76Finnrick 51%Bought vials 107% of label · 17 testsTitrateLabLab 99.8% pure · 105% of labelOnline checkout	Melanotan-2 10mg — 5-Pack	5 × 10 mg = 50 mg	$129.00 $25.80 per vial	$2.58	Buy
NextechLabs #142 by metascore · US	Metascore 74Finnrick 64%Bought vials 116% of label · 32 testsTitrateLabNo report for thisOnline checkout	MLNT II – 10mg	1 × 10 mg	$26.00	$2.60	Buy
Atomik Labz Affiliate #85 by metascore · US. Florida, 33411	Metascore 77Finnrick 69% Bought vials 112% of label · 44 testsTitrateLab · Peptide CriticNo report for thisOnline checkoutCheck vendor	MT2 10mg Ten Pack	10 × 10 mg = 100 mg	$261.00 $26.10 per vial	$2.61	Buy
Ion Peptide #4 by metascore	Metascore 87 medium confidenceFinnrick 82%Bought vials 108% of label · 4 testsTitrateLab · PeptideBase · Peptide CriticNo report for thisConfirmed with lab: 40 of 40Online checkout	MLT II 10mg	1 × 10 mg	$26.25	$2.63	Buy
Crush Research Affiliate #91 by metascore · US	Metascore 76Finnrick 51%Bought vials 107% of label · 17 testsTitrateLabLab 99.8% pure · 105% of labelOnline checkout	Melanotan-2 10mg — 3-Pack	3 × 10 mg = 30 mg	$79.00 $26.33 per vial	$2.63	Buy
Alpha-Gen #34 by metascore	Metascore 82Finnrick 60%Bought vials 103% of label · 30 testsTitrateLabLab 99.4% pure · 86% of labelOnline checkout	Melanotan II 10MG (Buy 3+)	3 × 10 mg = 30 mg	$82.50 $27.50 per vial	$2.75	Buy
Atomik Labz Affiliate #85 by metascore · US. Florida, 33411	Metascore 77Finnrick 69% Bought vials 112% of label · 44 testsTitrateLab · Peptide CriticNo report for thisOnline checkoutCheck vendor	MT2 10mg	1 × 10 mg	$29.00	$2.90	Buy
Crush Research Affiliate #91 by metascore · US	Metascore 76Finnrick 51%Bought vials 107% of label · 17 testsTitrateLabLab 99.8% pure · 105% of labelOnline checkout	Melanotan-2 10mg — Single Vial	1 × 10 mg	$29.00	$2.90	Buy
Glacier Aminos Affiliate #73 by metascore	Metascore 78 low confidenceFinnrick 77%TitrateLab · Peptide CriticNo report for thisOnline checkout	MELANOTAN 2 10MG (5-Pack)	5 × 10 mg = 50 mg	$149.56 $29.91 per vial	$2.99	Buy
PepLab Solutions #135 by metascore	Metascore 74 medium confidenceFinnrick 80%Bought vials 100% of label · 3 testsBought vials underdosed: 33% vs 0% in own COAsTitrateLabLab 99.8% pure · 93% of labelAccount needed	MT-2 10mg, 1 Vial	1 × 10 mg	$29.99	$3.00	Buy
Go Alpha Labs Peptides #51 by metascore · US	Metascore 80Finnrick 52%Bought vials 100% of label · 11 testsTitrateLabLab report (image)Confirmed with lab: 37 of 37Online checkout	Melanotan II (MT2) (10mg) (10 Vials)	10 × 10 mg = 100 mg	$299.99 $30.00 per vial	$3.00	Buy
Peptides For Less #74 by metascore	Metascore 78 low confidenceFinnrick 75%No report for thisOnline checkout	Melanotan II 10MG	1 × 10 mg	$30.00	$3.00	Buy
My Pure Peptide #70 by metascore	Metascore 78 medium confidenceFinnrick 72%Bought vials 116% of label · 3 testsTitrateLabLab 99.9% pure · 112% of labelOnline checkout	Melanotan II 10mg	1 × 10 mg	$30.00	$3.00	Buy
Peptide Crafters #57 by metascore · US	Metascore 79Finnrick 60%PepIndex 22/100Bought vials 111% of label · 59 testsTitrateLab · Peptide CriticNo report for thisConfirmed with lab: 26 of 26Online checkout	Melanotan 2 (10mg)	1 × 10 mg	$30.00	$3.00	Buy
Amino Usa #136 by metascore · US	Metascore 74 medium confidenceFinnrick 32%Bought vials 89% of label · 3 testsTitrateLabLab 99.8% pure · 102% of labelAccount needed	Melanotan II 10mg	1 × 10 mg	$30.00	$3.00	Buy
Pepturion #181 by metascore	Metascore 73 medium confidenceFinnrick 77%Bought vials 117% of label · 4 testsTitrateLabLab report (image)Online checkout	Melanotan (MT-2) 10mg	1 × 10 mg	$31.74 GBP 24.99	$3.17	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 6	6 × 10 mg = 60 mg	$199.99 $33.33 per vial	$3.33	Buy
Glacier Aminos Affiliate #73 by metascore	Metascore 78 low confidenceFinnrick 77%TitrateLab · Peptide CriticNo report for thisOnline checkout	MELANOTAN 2 10MG	1 × 10 mg	$33.99	$3.40	Buy
EZ Peptides #12 by metascore	Metascore 85Finnrick 75%Bought vials 103% of label · 11 testsTitrateLab · PeptideBase · Peptide CriticNo report for thisConfirmed with lab: 21 of 21Account needed	Melanotan 2 10mg Buy 2, get the 3rd free with code (same item)	1 × 10 mg	$33.99 Buy 2, get the 3rd free with code (same item)	$3.40	Buy
Elite Research USA Affiliate #75 by metascore · Us: Tx	Metascore 78Finnrick 58% Bought vials 103% of label · 48 testsTitrateLabLab 99.8% pure · 109% of labelConfirmed with lab: 26 of 26Online checkout	Melanotan II (MT-2) 10mg Research Peptide	1 × 10 mg	$33.99	$3.40	Buy
Peptidology #5 by metascore · US, AZ 85254	Metascore 87Finnrick 71%Bought vials 97% of label · 18 testsTitrateLab · PeptideBase · Peptide Critic · PeptideCheckedNo report for thisConfirmed with lab: 34 of 34Online checkout	MT2 10 mg (11mg)	1 × 10 mg	$34.39	$3.44	Buy
Oasis Peptides #232 by metascore	Metascore 71Finnrick 56% Bought vials 105% of label · 20 testsTitrateLabNo public reportsOnline checkout	MT-2 10mg	1 × 10 mg	$34.50	$3.45	Buy
Gulf Coast Aminos #17 by metascore	Metascore 85 medium confidenceFinnrick 81%Bought vials 109% of label · 3 testsTitrateLabNo report for thisAccount needed	MT-2 10mg	1 × 10 mg	$34.95	$3.50	Buy
Platinum Cryo #211 by metascore · Akron, OH US	Metascore 72Finnrick 63% Bought vials 102% of label · 24 testsTitrateLabLab report (image)Online checkoutCheck vendor	MELANOTAN MT-2 10mg	1 × 10 mg	$34.95	$3.50	Buy
PepClub USA #37 by metascore	Metascore 81 medium confidenceFinnrick 81%Bought vials 87% of label · 4 testsTitrateLabNo report for thisOnline checkout	MELANOTAN2 – 10MG	1 × 10 mg	$34.99	$3.50	Buy
PurePEPS #184 by metascore	Metascore 73Finnrick 44%Bought vials 108% of label · 10 testsTitrateLabNo public reportsOnline checkout	MT2 (Melanotan II) – 10mg	1 × 10 mg	$34.99	$3.50	Buy
Paradigm Peptide #79 by metascore · US	Metascore 78Finnrick 85%Bought vials 106% of label · 17 testsTitrateLab · PeptideBase · Peptide CriticNo public reportsOnline checkout	Melanotan 2	1 × 10 mg	$35.00	$3.50	Buy
Verified Peptides #120 by metascore · US: FL	Metascore 75Finnrick 65%Bought vials 109% of label · 39 testsTitrateLab · PeptideBase · Peptide Critic · PeptideCheckedNo report for thisOnline checkout	MT II Peptide (10MG)	1 × 10 mg	$35.00	$3.50	Buy
Alpha-Gen #34 by metascore	Metascore 82Finnrick 60%Bought vials 103% of label · 30 testsTitrateLabLab 99.4% pure · 86% of labelOnline checkout	Melanotan II 10MG (Buy 2)	2 × 10 mg = 20 mg	$73.68 $36.84 per vial	$3.68	Buy
Modern Aminos Affiliate #125 by metascore · US	Metascore 75 medium confidenceFinnrick 79%PepIndex 81/100Bought vials 100% of label · 5 testsTitrateLab · PeptideBase · Peptide CriticLab report (image)Online checkout	Melanotan 2 10MG $30 off through this site's link (new customers)	1 × 10 mg	$38.00 $30 off through this site's link (new customers)	$3.80	Buy
Simple Peptide #25 by metascore · US, FL 33446	Metascore 83Finnrick 62%PepIndex 82/100Bought vials 100% of label · 44 testsTitrateLabLab 99.8% pure · 124% of labelOnline checkout	Melanotan II	1 × 10 mg	$38.00	$3.80	Buy
Wolverine Peptides #58 by metascore · UK	Metascore 79 low confidenceFinnrick 75%TitrateLabLab 99.4% pureOnline checkout	MT2 10mg	1 × 10 mg	$38.09 GBP 29.99	$3.81	Buy
Valor peptides Affiliate #65 by metascore	Metascore 79 medium confidenceFinnrick 76%TitrateLab · PeptideBaseLab 99.9% pure · 105% of labelAccount needed	MT-2-10 MG	1 × 10 mg	$38.99	$3.90	Buy
Liberty Peptides #63 by metascore · US, DE 19801	Metascore 79Finnrick 53%Bought vials 107% of label · 18 testsTitrateLab · PeptideBaseLab 99.8% pure · 88% of labelOnline checkout	Melanotan II (10mg)	1 × 10 mg	$39.00	$3.90	Buy
Pure Peptide Labs #53 by metascore · US	Metascore 79 medium confidenceFinnrick 63%PepIndex 23/100Bought vials 102% of label · 4 testsTitrateLab · PeptideBase · Peptide CriticLab 99.5% pure · 108% of labelOnline checkout	Melanotan 2 10mg	1 × 10 mg	$39.95	$4.00	Buy
Precision Peptide Co #107 by metascore · US, Tx 76048	Metascore 75Finnrick 68% Bought vials 106% of label · 20 testsTitrateLab · Peptide CriticNo report for thisOnline checkout	Melanotan 2 10mg	1 × 10 mg	$39.99	$4.00	Buy
Amino Asylum #245 by metascore	Metascore 71Finnrick 62% PepIndex 26/100Bought vials 100% of label · 15 testsTitrateLab · PeptideBaseLab report (image)Online checkout	Melanotan II (MT2) 10mg	1 × 10 mg	$39.99	$4.00	Buy
Go Alpha Labs Peptides #51 by metascore · US	Metascore 80Finnrick 52%Bought vials 100% of label · 11 testsTitrateLabLab report (image)Confirmed with lab: 37 of 37Online checkout	Melanotan II (MT2) (10mg)	1 × 10 mg	$39.99	$4.00	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 6	6 × 10 mg = 60 mg	$239.99 $40.00 per vial	$4.00	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 6	6 × 10 mg = 60 mg	$239.99 $40.00 per vial	$4.00	Buy
Nexa Labs Affiliate #84 by metascore · China	Metascore 77 low confidenceFinnrick 88%TitrateLabLab report (image)Online checkout	MT-2 10mg	1 × 10 mg	$40.00	$4.00	Buy
The Naughty Needle #38 by metascore · US	Metascore 81 low confidenceFinnrick 80%TitrateLabLab 99.9% pure · 113% of labelOnline checkout	Melanotan 2 10mg	1 × 10 mg	$40.00	$4.00	Buy
Amino Amigos #103 by metascore · US: NM	Metascore 75Finnrick 58% Bought vials 113% of label · 37 testsTitrateLabLab 98.8% pure · 71% of labelOnline checkout	Melanotan Two 10mg	1 × 10 mg	$40.00	$4.00	Buy
Coffee and Peppers #14 by metascore	Metascore 85Finnrick 70%Bought vials 102% of label · 30 testsTitrateLabNo report for thisConfirmed with lab: 6 of 6Online checkout	MT-2 Kit (10 Vials) (10mg per label)	10 × 10 mg = 100 mg	$404.99 $40.50 per vial	$4.05	Buy
Royal Peptides Affiliate #8 by metascore · US	Metascore 86Finnrick 75%Bought vials 107% of label · 34 testsTitrateLabNo report for thisConfirmed with lab: 3 of 3Online checkout	Melanotan MT 10mg MT2 kit 10% off with code	10 × 10 mg = 100 mg	~~$460.00~~ $414.00 10% off with code $41.40 per vial	$4.14 list $4.60	Buy
Paramount Peptides #133 by metascore · US CA	Metascore 74Finnrick 64%PepIndex 55/100Bought vials 114% of label · 65 testsTitrateLab · Peptide CriticLab report (image)Online checkout	MT-II (Melanotan II) (10mg)	1 × 10 mg	$42.50	$4.25	Buy
Ignite Labs #178 by metascore	Metascore 73 medium confidenceFinnrick 80%Bought vials 104% of label · 3 testsTitrateLab · PeptideBaseNo public reportsOnline checkout	Melanotan MT-2 10mg	1 × 10 mg	$42.99	$4.30	Buy
Alpha-Gen #34 by metascore	Metascore 82Finnrick 60%Bought vials 103% of label · 30 testsTitrateLabLab 99.4% pure · 86% of labelOnline checkout	Melanotan II 10MG	1 × 10 mg	$43.99	$4.40	Buy
Amplified Amino Affiliate #27 by metascore · US: TX 78248	Metascore 83Finnrick 65%Bought vials 115% of label · 12 testsTitrateLabLab 99.9% pure · 112% of labelOnline checkout	Melanotan 2 10mg	1 × 10 mg	$44.00	$4.40	Buy
Coffee and Peppers #14 by metascore	Metascore 85Finnrick 70%Bought vials 102% of label · 30 testsTitrateLabNo report for thisConfirmed with lab: 6 of 6Online checkout	MT-2 (10mg per label)	1 × 10 mg	$44.99	$4.50	Buy
Pura Peptides #81 by metascore	Metascore 77Finnrick 66%Bought vials 107% of label · 20 testsTitrateLab · Peptide CriticLab report (image)Online checkout	Melanotan II 10mg	1 × 10 mg	$45.00	$4.50	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 3	3 × 10 mg = 30 mg	$139.99 $46.66 per vial	$4.67	Buy
Peptime #16 by metascore	Metascore 85 medium confidenceFinnrick 74%PepIndex 56/100Bought vials 97% of label · 7 testsTitrateLab · PeptideBaseLab 99.9% pure · 108% of labelOnline checkout	Melanotan II 10mg	1 × 10 mg	$49.00	$4.90	Buy
Skye Peptides #72 by metascore · US: CA	Metascore 78Finnrick 57%Bought vials 114% of label · 92 testsTitrateLabNo report for thisConfirmed with lab: 25 of 25Account needed	Melanotan-2 10 mg	1 × 10 mg	$49.00	$4.90	Buy
Royal Peptides Affiliate #8 by metascore · US	Metascore 86Finnrick 75%Bought vials 107% of label · 34 testsTitrateLabNo report for thisConfirmed with lab: 3 of 3Online checkout	Melanotan MT 10mg MT2 vial 10% off with code	1 × 10 mg	~~$55.00~~ $49.50 10% off with code	$4.95 list $5.50	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 1	1 × 10 mg	$49.98	$5.00	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 3	3 × 10 mg = 30 mg	$149.99 $50.00 per vial	$5.00	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 3	3 × 10 mg = 30 mg	$149.99 $50.00 per vial	$5.00	Buy
Certified Peptides #66 by metascore · US, WA 98579	Metascore 79Finnrick 58%Bought vials 100% of label · 12 testsTitrateLabNo report for thisOnline checkout	MELANOTAN -MT2- 10MG	1 × 10 mg	$50.00	$5.00	Buy
Onyx Research Affiliate #36 by metascore · US	Metascore 81 low confidenceFinnrick 79%TitrateLabLab 99.8% pure · 123% of labelOnline checkout	MT 2 10mg — Box of 10	10 × 10 mg = 100 mg	$520.00 $52.00 per vial	$5.20	Buy
Alpha BioMed #281 by metascore · US	Metascore 70 low confidenceFinnrick 47%TitrateLabNo report for thisAccount needed	MT-II (Melanotan II) (10mg)	1 × 10 mg	$52.00	$5.20	Buy
Peptide Group Buy PGB #39 by metascore · US	Metascore 80 low confidenceFinnrick 79%Lab 99.8% pure · 117% of labelAccount needed	Melanotan 2 10mg	1 × 10 mg	$55.00	$5.50	Buy
Dragon Pharma #42 by metascore	Metascore 80 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	Melanotan 2 (MT2) 10mg (vial) [U.S. Domestic]	1 × 10 mg	$57.00	$5.70	Buy
Onyx Research Affiliate #36 by metascore · US	Metascore 81 low confidenceFinnrick 79%TitrateLabLab 99.8% pure · 123% of labelOnline checkout	MT 2 10mg	1 × 10 mg	$58.50	$5.85	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 1	1 × 10 mg	$59.98	$6.00	Buy
Pure Tested Peptides #109 by metascore · US	Metascore 75 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	MT2 10MG Peptide — 1	1 × 10 mg	$59.98	$6.00	Buy
Licensed Peptides #264 by metascore	Metascore 70 medium confidenceFinnrick 73%PepIndex 61/100Bought vials 95% of label · 4 testsTitrateLab · PeptideBase · PeptideCheckedLab report (image)Online checkout	MTII, Melanotan2 10mg - 1 vial	1 × 10 mg	$65.99	$6.60	Buy
Lab Rat Peptide #206 by metascore · US	Metascore 72 low confidenceFinnrick 76%TitrateLabNo public reportsOnline checkout	MELANOTAN II & I 10MG	1 × 10 mg	$69.99	$7.00	Buy
Risynth Bio #82 by metascore · US	Metascore 77Finnrick 69%Bought vials 100% of label · 18 testsTitrateLabNo report for thisOnline checkout	MELANOTAN 2 ACETATE 10mg	1 × 10 mg	$75.00	$7.50	Buy
Dragon Pharma #42 by metascore	Metascore 80 low confidenceFinnrick 46%TitrateLabNo report for thisOnline checkout	Melanotan 2 (MT2) 5mg (vial) [U.S. Domestic]	1 × 5 mg	$39.00	$7.80	Buy
Cartman Gear #24 by metascore	Metascore 83 low confidenceFinnrick 80%TitrateLabNo report for thisConfirmed with lab: 3 of 3Online checkout	MT-2 [raw powder]	1 vial, size not stated	$300.00	–	Buy
Modern Aminos Affiliate #125 by metascore · US	Metascore 75 medium confidenceFinnrick 79%PepIndex 81/100Bought vials 100% of label · 5 testsTitrateLab · PeptideBase · Peptide CriticLab report (image)Online checkout	Melts Pro™ Melanotan II Dissolving Strips $30 off through this site's link (new customers)	1 vial, size not stated	$96.99 $30 off through this site's link (new customers)	–	Buy
Tydes #41 by metascore · US: NC	Metascore 80Finnrick 68%Bought vials 117% of label · 44 testsTitrateLab · Peptide CriticLab 100% pureConfirmed with lab: 16 of 16Online checkout	Melanotan-2	1 vial, size not stated	$44.99	–	Buy
Orbitrex Peptides #1 by metascore · US	Metascore 90Finnrick 71%Bought vials 104% of label · 27 testsTitrateLab · PeptideBase · Peptide CriticLab 99.7% pureOnline checkout	MT-II [Buy 4 Get 1 Free]	1 vial, size not stated	$39.99	–	Buy
Simple Peptide #25 by metascore · US, FL 33446	Metascore 83Finnrick 62%PepIndex 82/100Bought vials 100% of label · 44 testsTitrateLabLab 99.8% pure · 124% of labelOnline checkout	Melts Pro™ Melanotan II Dissolving Strips	1 vial, size not stated	$96.99	–	Buy
Hydro Research #105 by metascore	Metascore 75 medium confidenceFinnrick 51%PepIndex 86/100Bought vials 123% of label · 4 testsTitrateLabLab 99.5% pure · 82% of labelOnline checkout	Melanotan 2	1 vial, size not stated	$29.00	–	Buy

Mixing a 10 mg vial

What each common amount of bacteriostatic water gives you on a U-100 insulin syringe. Pick a vial size above to change it.

Water	Strength	Per 10 units (0.1 mL)	Per unit
1 mL	10 mg/mL	1,000 mcg	100 mcg
2 mL	5 mg/mL	500 mcg	50 mcg
3 mL	3.333 mg/mL	333.3 mcg	33.33 mcg
5 mL	2 mg/mL	200 mcg	20 mcg

Open the reconstitution calculator

Mixing guides:10 mg

Published lab results

68 certificates of analysis that vendors publish for Melanotan II. Numbers are only filled in where the document is readable text; image-only COAs are linked without numbers. A vendor's own COA shows one tested sample, not every batch.

Vendor	Lab	Date	Label	Measured	Purity	Batch
Valor peptides	Accumark Labs	2026-09-24	10 mg	10.473 mg 105%	99.87%	ARC-MTII-10-005	View
CertaPeptides	Janoshik	2026-09-18	10 mg	10.45 mg 105%	99.455%		View
Pure Peptide Labs	Kovera Labs	2026-09-14	10 mg	10.81 mg 108%	99.472%	M21318	View
Shanghai Leader Peptide BiotechnologyCOA concerns 90 of 115 COAs come from 'Qorix Labs'/TJQXGD, a site registered June 2026 that says it only compiles data from an unnamed partner lab and is not accredited: they can't be checked independently. Its Freedom Diagnostics reports are real. Checked 2026-10-08. How we check	Qorix Labs (Tianjin)	2026-09-11	10 mg	–	99.74%	ML10	View
Bulk Peptide SupplyCOA concerns Most reports come from AV Analytics, a lab with no website or lookup to verify them, and they all read 99.73-99.81% purity across 19 different peptides and blends; its MDx reports are similarly uniform. Eight others are issued to 'Peptide COA Test LLC'. Checked 2026-10-08. How we check	AV Analytics	2026-09-06	10 mg	10.21 mg 102%	99.79%	ML-6055	View
Domestic PepsCOA note	Freedom Diagnostics ✓ lab	2026-09-01	10 mg	9.52 mg 95%	99.89%	Yellow Cap	View
The Naughty Needle	Freedom Diagnostics	2026-08-28	10 mg	11.33 mg 113%	99.9%	yellow cap	View
Crush Research	ILS Laboratories	2026-08-24	10 mg	10.48 mg 105%	99.83%	CR-MT210MG-0828	View
My Pure Peptide	Janoshik	2026-08-24	10 mg	11.18 mg 112%	99.86%	Janoshik task #223076	View
Flycn Peptide	Janoshik	2026-08-21	–	–	–	FLY202607 (Janoshik task #212283; sample 'MT2(ML10)')	View (image)
NextGen Health	ILS Laboratories via PepIndex	2026-08-18	10 mg	10.4 mg 104%	99.99%	MT10-4	View
Elite Research USACOA note	Freedom Diagnostics ✓ lab	2026-08-17	10 mg	10.89 mg 109%	99.83%	ERL-2501-B093-T	View
Orbitrex Peptides	Freedom Diagnostics	2026-08-15	–	10.55 mg	99.72%	MT210926	View
Go Alpha Labs Peptides	–	2026-08-14	–	–	–		View (image)
Mai Peptide	Freedom Diagnostics ✓ lab	2026-08-05	10 mg	14.84 mg 148%	99.97%	Yellow (FD #2607310866, 'ML10 10mg', client 'Mai-peptides')	View
SaiyanMed	BTLabs	2026-08-04	10 mg	–	–	customer-submitted test	View (image)
Alpha-GenCOA note	Freedom Diagnostics	2026-08-01	10 mg	8.63 mg 86%	99.38%	NLML210501 (FD #2607290561, client 'Wholesale')	View
Peptide Group Buy PGB	Janoshik	2026-07-27	10 mg	11.66 mg 117%	99.85%	PSMT210-1 (Round 1)	View
Hangzhou Mandy Biotechnology	Janoshik	2026-07-25	10 mg	–	–	JUNE 2026; task #198520	View (image)
PepLab Solutions	Kovera Labs	2026-07-24	10 mg	9.25 mg 93%	99.793%	PLS-MT2-001	View
Peptagon	Accumark Labs ✓ lab	2026-07-24	10 mg	10.51 mg 105%	99.72%	MEL209032025-J	View
BioPrecise LLCCOA concerns Several product pages link other compounds' COAs (Epithalon, Tesamorelin, AOD-9604, NAD+ and CJC-1295 DAC to IGF-1 LR3; SS-31 to Retatrutide; HCG to GHK-Cu). Those have no own test; 15 others have real Finnrick tests. Checked 2026-10-08. How we check	Finnrick Analytics	2026-07-22	10 mg	–	99.5%	209535	View
Peptime	Freedom Diagnostics	2026-07-21	10 mg	10.8 mg 108%	99.86%	76MT	View
Pura Peptides	Freedom Diagnostics	2026-07-21	10 mg	–	–	MT2-7162026; accession 2607200294	View (image)
Swiss ChemsCOA note	Janoshik	2026-07-21	10 mg	–	–		View (image)
Onyx Research	Freedom Diagnostics	2026-07-17	10 mg	12.35 mg 123%	99.84%	ONYXRESMT2109	View
Nexa LabsCOA note	Freedom Diagnostics	2026-07-06	10 mg	–	–	White Cap	View (image)
Paramount Peptides	Accumark Labs	2026-07-06	10 mg	–	–	MEL209032025-J	View (image)
Amino Usa	BioRegen	2026-07-02	10 mg	10.2 mg 102%	99.76%	26MT10-0007	View
Liberty Peptides	–	2026-06-30	10 mg	8.83 mg 88%	99.808%		View
NextGen Health	ILS Laboratories via PepIndex	2026-06-25	10 mg	10.59 mg 106%	99.88%	mt10-04	View
Amplified Amino	Janoshik	2026-06-22	10 mg	11.15 mg 112%	99.936%	MEL21006072026-07; Janoshik task #194688; key R5HFTD7QXW5J; mean of 3 vials	View
Swiss ChemsCOA note	Janoshik	2026-06-16	10 mg	–	–		View (image)
Amino Asylum	Janoshik	2026-05-28	–	–	–	Janoshik #164112 (MT2 Spray, batch blank)	View (image)
Bluebonnet Peptides	ILS Laboratories	2026-05-26	10 mg	10.71 mg 107%	99.93%	BB-MT210-2601	View
Simple Peptide	Freedom Diagnostics via PepIndex	2026-05-23	10 mg	12.4 mg 124%	99.83%	MT2-052026-1	View
Loti Labs	Bioviridian	2026-05-17	10 mg	–	–		View (image)
Licensed Peptides	Vanguard Laboratory	2026-05-11	10 mg	–	–	Vanguard ID V260423-7 017; lot Yellow Cap	View (image)
NextGen Health	ILS Laboratories via PepIndex	2026-05-06	10 mg	10.65 mg 107%	99.81%	MT10-03	View
Tydes	Janoshik	2026-05-01	–	–	99.95%	MT210042126; Janoshik task #152493	View
Junli PeptideCOA concerns The only MOTS-c report on Junli's COA page is its own Janoshik test, which found no MOTS-c ('another peptide detected'), yet MOTS-c 10mg and 40mg are still sold with no passing report. Its other reports are own-name. Checked 2026-10-08. How we check	Janoshik	2026-04-29	–	–	–		View (image)
Wolverine Peptides	–	2026-04-22	–	–	99.36%	XR26042201-1	View
PepturionCOA note	Janoshik	2026-03-31	–	–	–	003	View (image)
Alpha Peptides	Analytical Formulations	2026-03-30	10 mg	10.68 mg 107%	99.9%	MT-31126328	View
Regenerative Research	BTLabs	2026-03-26	11 mg	11.1 mg 101%	99.8%	MT26-01 (COA label claim 10 mg)	View
Peptide Haven	Freedom Diagnostics	2026-01-07	10 mg	11.95 mg 119%	99.49%	MT210-0825-A	View
Hydro ResearchCOA note	hydroresearchpeptides.com via PepIndex	2025-11-20	10 mg	8.18 mg 82%	99.455%	HYDRO11WNG8L	View
HkRoidsCOA concerns The lab-results page shows reports issued to other US brands (OPS Aminos, Research Grade Peptides, etc.) with those brands' labelled vials. HKRoids says they are its wholesale customers' tests, but no lot or brand link can be verified. Checked 2026-10-08. How we check	Freedom Diagnostics ✓ lab	2025-11-05	10 mg	12.94 mg 129%	99.924%	05672	View
Nuscience PeptidesCOA note	Freedom Diagnostics	2025-11-01	10 mg	13.07 mg 131%	99.562%	Lot 000256 (FD #2510290106)	View
Huaian Banting Trading	Janoshik	2025-09-18	10 mg	–	–	cetz000827	View (image)
Huaian Dinglin TradingCOA note	Janoshik	2025-09-18	10 mg	–	–	cetz00088678 (Janoshik #79714)	View (image)
Aura PeptidesCOA concerns The 10 'Vanguard Laboratory' reports look generated or edited: same lab ID on every compound, the GHK-Cu report's chromatogram is labelled for tirzepatide, Semaglutide and GHK-Cu show the identical 120.24 mg result, and the text is garbled. Checked 2026-10-08. How we check	Vanguard Laboratory	2025-09-16	–	–	–	NOS1125N	View (image)
Amino Amigos	MZ Biolabs	2025-08-07	10 mg	7.14 mg 71%	98.75%	MT2H25M	View
Bulk Peptide Wholesale	Chromate	2025-04-30	10 mg	–	–	Chromate #24314	View (image)
Allen Biotechnology Co ABCCOA note	Janoshik	–	–	–	–	Janoshik #68920 (MT2)	View (image)
BeiBangAn	Janoshik	–	10 mg	–	–	ML10; task #202689	View (image)
Cocer Peptides	Janoshik	–	–	–	–	CS-mn210-0909	View (image)
Emlin BioScience ExchangeCOA note	Bioviridian	–	10 mg	–	–		View (image)
Emlin BioScience ExchangeCOA note	–	–	10 mg	–	–		View (image)
Injectify	Janoshik	–	–	–	–		View (image)
Longevity PlanCOA note	–	–	–	–	–		View (image)
LP PeptideCOA note	–	–	10 mg	–	–		View (image)
Modern Aminos	Freedom Diagnostics	–	10 mg	–	–	BX-P-X3Q4	View (image)
Platinum Cryo	Chromate	–	10 mg	–	–	Chromate job #30737	View (image)
PugPepsCOA concerns About half the reports are PugPep's own (ILS, Finnrick), but many others were issued to other clients (4EVER Research, D&U, Bee Sweet, ZLZ peptides, etc.) and re-watermarked 'PugPep LLC', with no stated link to PugPep's lots. Checked 2026-10-08. How we check	–	–	210 mg	–	–		View (image)
PurePeptides	–	–	10 mg	–	–		View (image)
WKC Walker Chemicals	Janoshik	–	–	–	–		View (image)
WKC Walker Chemicals	Janoshik	–	10 mg	–	–		View (image)

Doses studied in research Studied in people

What was given to people (or animals) in published studies and official labels, each linked to its source. This is not a recommendation: study products, purity and supervision differ from research-grade vials.

Who was studied	Dose given	How often	For how long	What happened
men with psychogenic erectile dysfunction (double-blind crossover) n = 10	0.025 mg/kg subcutaneous	single injections of drug or placebo	6-hour monitoring per session	erections in 8 of 10 men; tip rigidity >80% for 38.0 vs 3.0 minutes with placebo; nausea, stretching/yawning and reduced appetite more frequent	PubMed
men with erectile dysfunction and organic risk factors (double-blind crossover) n = 10	0.025 mg/kg subcutaneous	two injections of drug and two of vehicle	6-hour monitoring per session	erections after 12 of 19 injections vs 1 of 21 placebo; severe nausea after 4 of 19 injections	PubMed
healthy male volunteers (pilot phase I, single-blind) n = 3	0.01 mg/kg, escalated in 0.005 mg/kg steps to 0.025-0.03 mg/kg subcutaneous	daily Monday-Friday, alternating with saline days	2 weeks	increased facial and body pigmentation in 2 subjects; 0.03 mg/kg caused grade II somnolence and fatigue in one; mild nausea and spontaneous erections	PubMed

Never approved anywhere; human data are three very small studies from one group in the 1990s. Online products tested have contained varying amounts (4.32-8.84 mg in vials labelled 10 mg), and case reports describe rhabdomyolysis, priapism and melanoma in unsupervised users. Afamelanotide (Scenesse) is a different, approved melanocortin peptide.

What the research says

Some human evidence

Why: One 20-man placebo-controlled crossover RCT (erections) and a 3-man tanning pilot; the rest is animal work and case reports of harm from unlicensed use.

Melanotan II was never approved; human data are limited to a 3-man phase I tanning study and a 20-man placebo-controlled crossover study in erectile dysfunction, plus animal research. Much of the recent literature consists of case reports of harm (melanoma, priapism, rhabdomyolysis, renal infarction) in people using unlicensed online products.

Key papers ✓ 2✗ 8? 1

✓ Positive human RCTInt J Impot Res · 2000
Melanocortin receptor agonists, penile erection, and sexual motivation: human studies with Melanotan II.
Humans20 peopleRandomizedPlacebo-controlledDouble-blindPenile rigidity monitored for 6 h
Double-blind, placebo-controlled crossover

20 men with erectile dysfunction, double-blind placebo-controlled crossover: MT-II produced erections in 17 of 20 without sexual stimulation and increased sexual desire (68% vs 19% of doses, P<0.01); nausea and yawning were frequent, with severe nausea in 12.9% at 0.025 mg/kg.

Key resultErection without sexual stimulation in 17 of 20 men; increased desire after 13/19 (68%) doses of Melanotan II vs 4/21 (19%) of placebo (P<0.01).

Study details
Studied
Men with psychogenic and organic erectile dysfunction
Compared with
Placebo
Main outcome
Penile erection (RigiScan), sexual desire, side effects
Sample
20 men with psychogenic and organic erectile dysfunction
Authors' conclusion
Melanotan II is a potent initiator of penile erection in men with erectile dysfunction, warranting further investigation of melanocortin agonists and antagonists. Nausea and yawning were frequent side effects.
Limitations
Small crossover study; at 0.025 mg/kg, 12.9% of subjects had severe nausea.

DOI 10.1038/sj.ijir.3900582 PubMed 11035391
? Inconclusive human trialLife Sci · 1996
Evaluation of melanotan-II, a superpotent cyclic melanotropic peptide in a pilot phase-I clinical study.
Humans3 peoplePlacebo-controlled2 consecutive weeks
Pilot phase I single-blind, alternating-day, placebo-controlled trial of subcutaneous MT-II

Pilot phase I in 3 healthy men: a few low doses produced measurable tanning in 2; spontaneous erections, stretching/yawning and mild nausea were common, and one subject had grade II somnolence and fatigue at the top dose.

Key resultTwo subjects had increased pigmentation; 0.03 mg/kg caused Grade II somnolence and fatigue in one of two subjects; spontaneous erections occurred for 1-5 hours after dosing.

Study details
Studied
Normal male volunteers
Compared with
Saline on alternate days
Main outcome
Tolerability, pigmentation and side effects
Sample
3 normal male volunteers
Authors' conclusion
MT-II has tanning activity in humans at low subcutaneous doses; the recommended single dose for future phase I studies is 0.025 mg/kg/day.
Limitations
Only 3 volunteers.

DOI 10.1016/0024-3205(96)00160-9 PubMed 8637402
✗ Negative reviewInt J Dermatol · 2017
Risks of unregulated use of alpha-melanocyte-stimulating hormone analogues: a review.
No new data
Narrative review

Review of unregulated melanotan I/II use: case reports link it to changes in existing moles, new dysplastic nevi and four melanomas; preparation and dosing are uncontrolled, though conclusive causal evidence is lacking.

Study details
Studied
Unregulated users of melanotan I and II (literature overview)
Main outcome
Risks of unregulated α-MSH analogue use
Authors' conclusion
Illegal melanotans are likely risky; case reports link them to melanocytic changes in moles and new dysplastic nevi, including four melanomas, though conclusive evidence is lacking. Afamelanotide is tested and approved for limited uses.
Limitations
Evidence is case reports; no conclusive causal link.

DOI 10.1111/ijd.13585 PubMed 28266027
✗ Negative case reportDermatology · 2014
Melanoma associated with the use of melanotan-II.
HumansSingle case reportNo control group3- to 4-week MT-II self-injection course
Case report

A 20-year-old woman developed melanoma three months after a 3-4 week course of self-injected MT-II combined with sunbed use.

Study details
Studied
20-year-old woman, Fitzpatrick skin type II, who used melanotan-II and sunbeds
Main outcome
Cutaneous melanoma diagnosis
Authors' conclusion
Melanoma coincided with melanotan-II and sunbed use; the authors warn that the unlicensed drug is incompletely tested and clinicians should counsel at-risk patients. Causality is not established.
Limitations
Single case; temporal association only.

DOI 10.1159/000356389 PubMed 24355990
✗ Negative case reportClin Toxicol (Phila) · 2012
Melanotan II injection resulting in systemic toxicity and rhabdomyolysis.
HumansSingle case reportNo control group3-day ICU stay
Case report

A 39-year-old man who injected 6 mg of internet-bought MT-II (confirmed by mass spectrometry) developed sympathomimetic toxicity, rhabdomyolysis (CPK peak 17,773 IU/L) and kidney dysfunction requiring ICU care.

Key resultCPK rose to 17773 IU/L at 12 hours and fell to 2622 IU/L; creatinine improved to 1.23 mg/dL at ICU discharge.

Study details
Studied
39-year-old man who injected 6 mg of internet-purchased Melanotan II
Main outcome
Systemic toxicity, rhabdomyolysis, renal function
Authors' conclusion
Melanotan II use resulted in systemic toxicity with sympathomimetic symptoms, rhabdomyolysis and renal dysfunction.
Limitations
Single case; the dose was six times the stated recommended starting dose.

DOI 10.3109/15563650.2012.740637 PubMed 23121206
✗ Negative case reportBMJ Case Rep · 2019
Melanotan-induced priapism: a hard-earned tan.
HumansSingle case reportNo control group4-week follow-up
Case report

Low-flow priapism after subcutaneous melanotan injection, treated by aspiration and phenylephrine; erectile function had not recovered at 4-week follow-up.

Study details
Studied
Patient with acute priapism after subcutaneous melanotan injection
Main outcome
Priapism management and erectile function recovery
Authors' conclusion
Acute priapism is an unreported side effect of melanocortin analogue use; this patient avoided surgical shunting but had not recovered erectile function at 4 weeks.
Limitations
Single case.

DOI 10.1136/bcr-2018-227644 PubMed 30796078 Free full text
✗ Negative case reportCEN Case Rep · 2020
Melanotan II: a possible cause of renal infarction: review of the literature and case report.
HumansSingle case report with literature reviewNo control group
Case report and review of the literature

Case of renal infarction most likely attributed to MT-II, with a literature review noting prior reports of MT-II-associated rhabdomyolysis and renal failure.

Study details
Studied
Patient with renal infarction attributed to Melanotan II
Main outcome
Possible renal effects of Melanotan II
Authors' conclusion
Renal infarction was most likely attributed to Melanotan II; thrombotic pharmacological effects and possible direct renal toxicity must be considered.
Limitations
Single case; causality is probable, not proven.

DOI 10.1007/s13730-020-00447-z PubMed 31953620 Free full text
✗ Negative case reportInt J Oral Maxillofac Surg · 2025
Melanotan II nasal spray: a possible risk factor for oral mucosal malignant melanoma?
Humans1 patientNo control group
Case report with literature review

A 22-year-old woman who used Melanotan II nasal spray for tanning developed a maxillary mucosal malignant melanoma, treated with resection and immunotherapy; the authors raise a possible association, which a single case cannot establish.

Study details
Studied
22-year-old woman using Melanotan II nasal spray for tanning
Main outcome
Diagnosis of oral mucosal malignant melanoma
Authors' conclusion
The authors highlight the need for awareness of possible serious side effects of Melanotan II nasal spray.
Limitations
Single case; causation not established.

DOI 10.1016/j.ijom.2025.03.014 PubMed 40210573
✗ Negative case reportLife (Basel) · 2026
Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report.
Humanssize not reportedNo control group64 days of use; 3-month follow-up
Case report with 3-month follow-up

A man who self-injected Melanotan II for 64 days developed brown oral pigmentation; buccal pigmentation nearly resolved by 1 month after stopping, while gingival pigmentation persisted, fainter, at 3 months.

Study details
Studied
Patient who self-administered Melanotan II injections for 64 days to tan
Main outcome
Oral mucosal pigmentation
Authors' conclusion
The authors present the case as data on how long Melanotan II oral pigmentation takes to resolve, noting the drug is unlicensed and unregulated.
Limitations
Single case.

DOI 10.3390/life16020265 PubMed 41752902 Free full text
✗ Negative case reportNed Tijdschr Geneeskd · 2022
[The risks of tanning with the Barbie drug].
Humanssize not reportedNo control group
Case report

A 27-year-old man presented to the emergency department with sympathomimetic symptoms two hours after self-injecting Melanotan II bought online; treated with lorazepam, potassium and fluids.

Study details
Studied
27-year-old man with no relevant history after subcutaneous Melanotan II
Main outcome
Acute toxicity
Authors' conclusion
The authors conclude self-administration of Melanotan II is not without side effects despite easy availability online and in gyms.
Limitations
Single case; product contents not described in the abstract.

PubMed 35736369
✓ Positive animalEur J Pharmacol · 2024
Antidepressant-like and antistress effects of the ACTH(4-10) synthetic analogs Semax and Melanotan II on male rats in a model of chronic unpredictable stress.
Animalssize not reported
Controlled animal study with saline and stress control groups

In stressed male rats, daily low-dose MTII (and Semax) reversed or attenuated chronic-stress anhedonia, adrenal hypertrophy and the fall in hippocampal BDNF, but did not change forced-swim immobility.

Study details
Studied
Male Sprague-Dawley rats in a chronic unpredictable stress model
Compared with
Saline
Main outcome
Sucrose preference, body weight, adrenal weight, hippocampal BDNF, forced swim test
Authors' conclusion
The authors conclude that systemically administered ACTH(4-10) analogs, including MTII, show antidepressant-like activity in this paradigm.
Limitations
Rat model; no effect in forced swim test; no human data.

DOI 10.1016/j.ejphar.2024.177068 PubMed 39442746

Reported side effects

commonNausea [ref] [ref]
commonYawning and stretching [ref] [ref]
commonSpontaneous erections [ref] [ref]
reportedSomnolence and fatigue [ref]
reportedPriapism [ref]
reportedMelanoma / changes in moles (case reports) [ref] [ref] [ref]
reportedRhabdomyolysis and kidney dysfunction [ref]
reportedRenal infarction [ref]
reportedSympathomimetic toxicity (case report) [ref]
reportedOral mucosal pigmentation (case report) [ref]

Unlicensed products; no controlled long-term human safety data.

1 registered human trial (1 active)

✓ positive · ✗ negative · ~ mixed · ? inconclusive, judged on each paper's own main outcome. Grades: A strong human evidence → D little or none. Papers and verdicts are drawn from PubMed, Europe PMC and Russian journals (CyberLeninka); not medical advice.

Registered clinical trials 1 on ClinicalTrials.gov · 1 active · 0 completed

Trial	Status	Phase	People	Sponsor
Melanotan II (MT-II) as an Adjunct to NB-UVB Phototherapy for Repigmentation in Stable Nonsegmental Vitiligo NCT07437560 · started 2026-02-02	Recruiting	Phase 2	60	Hudson Biotech

All 1 Melanotan II trials, with countries and summaries · Search ClinicalTrials.gov · Recruiting trials for every peptide

Full Melanotan II research page

Discussions elsewhere

Experiences and questions about Melanotan II on other sites. Treat anecdotes with care.

r/Melanotan2Community discussing Melanotan II for tanning, including dosing and side-effect reports. 14k weekly visitors · Melanotan II MESO-Rx — Human Growth Hormone and PeptidesLong-running MESO-Rx (ThinkSteroids) subforum discussing hGH, IGF-1, GHRPs, CJC-1295, TB-500, Melanotan II and newer peptides. HGH · IGF-1 LR3 · GHRP-6 performance-enhancement (steroid) forum; banner ads for underground suppliers FinnrickCrowdsourced peptide testing service that publishes identity/purity/quantity results and vendor ratings, with free community test slots. Retatrutide · Tirzepatide · BPC-157 commercial company that also sells testing services; some users have raised conflict-of-interest concerns

Search all of Reddit Search r/Biohackers Search r/Nootropics Search r/Peptides All communities

Also tested for Melanotan II, no online prices

These vendors passed Finnrick testing for Melanotan II but sell by message or quote. Finnrick's reported price is shown where it has one.

Vendor	Finnrick	Finnrick $/mg	Contact
Eternal Peptides	62% Melanotan II: 69% (n=4)	$4.00	eternalpeptides.com eternalpeptides.net
HK Peptides	73% Melanotan II: 68% (n=12)	$0.410	WhatsApp +85255746695 WhatsApp +85253092527 WhatsApp +85246700152 WhatsApp +85259537571 hkpeptide.com
Planet Peptide	65% Melanotan II: 69% (n=4)	$2.00	planetpeptide.com
Reta-Peptide	67% Melanotan II: 63% (n=5)	$0.400	reta-peptide.com WhatsApp +85267221827 WhatsApp +8617638513883 WhatsApp +8618838154037 WhatsApp +8619137926464 WhatsApp +8615820903569
Xingruida XDR	65% Melanotan II: 61% (n=2)	$0.580	WhatsApp +85254466287 WhatsApp +85253194856 hkxingruida.com
Zenith Jove Peptide ZJ	69% Melanotan II: 67% (n=2)	–	WhatsApp +85267425499 WhatsApp +85255177900 zjpeptide.com
Zhejiang Yichenkang Biotechnology	66% Melanotan II: 65% (n=5)	$0.640	WhatsApp +8613858572599 WhatsApp +8619906633110 hzyckswkj.en.alibaba.com
Zztai Peptide	73% Melanotan II: 66% (n=2)	$0.510	WhatsApp +85261128075 WhatsApp +85298518275 WhatsApp +85255084309 WhatsApp +85257251470 WhatsApp +85291375147 WhatsApp +85291615653 WhatsApp +85257258785 WhatsApp +85291784557 WhatsApp +85252387397 WhatsApp +85252841956 WhatsApp +85252864301 WhatsApp +85297245271 zztai-tech.com

Lab-verified Melanotan II vendors

Vendors whose Melanotan II was independently tested by Finnrick and who publish a readable third-party COA for it, cheapest first. Vendors with COA concerns are left out.

Vendor	Finnrick	Latest COA	Purity	Measured vs label	Per mg
Elite Research USA	66% (5 tests)	Freedom Diagnostics 2026-08-17	99.83%	109%	$3.40	Buy
Simple Peptide	54% (3 tests)	Freedom Diagnostics 2026-05-23	99.83%	124%	$3.80	Buy
Amino Amigos	66% (5 tests)	MZ Biolabs 2025-08-07	98.75%	71%	$4.00	Buy
Tydes	64% (4 tests)	Janoshik 2026-05-01	99.95%	–	–

Melanotan II: questions people ask

What is Melanotan II?

Cyclic alpha-MSH analog. Causes tanning and also raises libido (the basis for PT-141). Associated with nausea, darkened moles and other safety concerns. Also searched as melanotan.

How much does Melanotan II cost?

The cheapest Melanotan II from an independently tested vendor is $0.450 per mg (Cartman Gear, LOBSTER MELANOTAN II 10MG KIT [Lobster Intl], $45.00). Across 125 listings from 84 vendors the median is $3.00 per mg.

Where can I buy Melanotan II?

84 vendors tested by Finnrick sell Melanotan II. The cheapest per mg right now: Cartman Gear ($0.450), Huaian Dinglin Trading ($0.450), Shanghai Wibson Biotechnology WBS ($0.500). 26 of them publish a lab report (COA) for Melanotan II; compare lab scores and reports in the table above before buying.

How much bacteriostatic water for 10 mg of Melanotan II?

Adding 2 mL of bacteriostatic water to a 10 mg vial of Melanotan II gives 5 mg/mL: each 10 units on a U-100 insulin syringe holds 500 mcg. With 1 mL it's 10 mg/mL (1,000 mcg per 10 units); with 3 mL, 3.333 mg/mL (333.3 mcg per 10 units). More water makes small amounts easier to measure. Mixing charts: 10 mg.

Is Melanotan II FDA approved?

Not approved anywhere; regulators warn against its use.

Can Melanotan II be compounded in the US?

Does Melanotan II work? What does the research say?

Evidence grade B (some human evidence), from 11 papers: One 20-man placebo-controlled crossover RCT (erections) and a 3-man tanning pilot; the rest is animal work and case reports of harm from unlicensed use. Melanotan II was never approved; human data are limited to a 3-man phase I tanning study and a 20-man placebo-controlled crossover study in erectile dysfunction, plus animal research. Much of the recent literature consists of case reports of harm (melanoma, priapism, rhabdomyolysis, renal infarction) in people using unlicensed online products. See the papers.

Are there clinical trials of Melanotan II?

ClinicalTrials.gov lists 1 registered trials of Melanotan II: 1 active, 0 completed. Examples: Melanotan II (MT-II) as an Adjunct to NB-UVB Phototherapy for Repigmentation in Stable Nonsegmental Vitiligo (Recruiting, Phase 2, 60 people).

What dose of Melanotan II was used in studies?

Melanotan II is studied in people. men with psychogenic erectile dysfunction (double-blind crossover): 0.025 mg/kg single injections of drug or placebo; men with erectile dysfunction and organic risk factors (double-blind crossover): 0.025 mg/kg two injections of drug and two of vehicle; healthy male volunteers (pilot phase I, single-blind): 0.01 mg/kg, escalated in 0.005 mg/kg steps to 0.025-0.03 mg/kg daily Monday-Friday, alternating with saline days. These are amounts used in published studies or official labels, not a recommendation.

What are the side effects of Melanotan II?

Reported in the research: Nausea; Yawning and stretching; Spontaneous erections; Somnolence and fatigue; Priapism. Unlicensed products; no controlled long-term human safety data.

Where do people discuss Melanotan II? Is there a Melanotan II Reddit?

Communities focused on it include r/Melanotan2, MESO-Rx — Human Growth Hormone and Peptides, Finnrick. Experiences shared there aren't evidence, and some allow vendor promotion. All communities.

More on Melanotan II

Mixing 10 mg All 68 Melanotan II COAs and lab results Filter by vial size, pack and score Shopping Planner