Side-by-side comparison

Melanotan-2 vs PT-141 — Price & Profile Comparison

Melanotan-2

Melanocortin PeptideSafety 3/10

Melanocortin research

vs

PT-141

Melanocortin PeptideSafety 8/10

Melanocortin / sexual research

Melanotan-2
PT-141
Cheapest price
$20.00 /10mg
$19.86 /10mg
Vendors stocking
31
24
Safety rating
3/10
8/10
Mol. weight
1,024.18 g/mol
1,025.2 g/mol
Administration
Subcutaneous injection
Subcutaneous injection

The short answer

Melanotan-2 vs PT-141: which to choose

On price they're close — about $20 vs $20 for the cheapest COA-verified listing. Melanotan-2 is the more widely stocked of the two (31 vendors vs 24). PT-141 carries the higher safety rating (8/10 vs 3/10). Both are melanocortin peptide compounds, so the decision usually comes down to price, evidence, and tolerability rather than use case.

Price Comparison — 2026

Melanotan-2

VendorPrice
Ascension Peptides$20.00 /10mgBuy →
Alpha Peptides$20.51 /10mgBuy →
Amino Club$23.99 /10mgBuy →
Peptyx Labs$24.00 /10mgBuy →
Puratek Peptides$25.16 /10mgBuy →

PT-141

VendorPrice
Alpha Peptides$19.86 /10mgBuy →
Amino Club$23.99 /10mgBuy →
Ascension Peptides$25.00 /10mgBuy →
Woosh Labs$26.99 /10mgBuy →
Averix Labs$26.99 /10mgBuy →
Puratek Peptides$28.30 /10mgBuy →

Vendors Carrying Both

19 vendors stock both Melanotan-2 and PT-141 — convenient if you want to bundle an order.

Alpha PeptidesMelanotan-2: $20.51PT-141: $19.86Visit →
Amino ClubMelanotan-2: $23.99PT-141: $23.99Visit →
Ascension PeptidesMelanotan-2: $20.00PT-141: $25.00Visit →
Woosh LabsMelanotan-2: $26.99PT-141: $26.99Visit →
Averix LabsMelanotan-2: $26.99PT-141: $26.99Visit →
Puratek PeptidesMelanotan-2: $25.16PT-141: $28.30Visit →
Ignite PeptidesMelanotan-2: $40.00PT-141: $30.00Visit →
Evo Labs ResearchMelanotan-2: $33.99PT-141: $33.99Visit →
Optimum FormulaMelanotan-2: $26.99PT-141: $35.99Visit →
Glacier AminosMelanotan-2: $30.59PT-141: $36.89Visit →
SomaChemsMelanotan-2: $31.99PT-141: $39.99Visit →
Liv Pure WellnessMelanotan-2: $49.99PT-141: $42.99Visit →
Core PeptidesMelanotan-2: $41.00PT-141: $43.00Visit →
CertaPeptidesMelanotan-2: $35.87PT-141: $43.06Visit →
Modern AminosMelanotan-2: $38.00PT-141: $44.00Visit →
GLP-1 Research LabMelanotan-2: $46.00PT-141: $46.00Visit →
Novatherix LaboratoriesMelanotan-2: $44.99PT-141: $49.49Visit →
Optima SupplyMelanotan-2: $29.00PT-141: $50.00Visit →
Licensed PeptidesMelanotan-2: $65.99PT-141: $53.33Visit →

Safety Notes

Melanotan-2

FDA: Not FDA-approved

Documented serious harms: peer-reviewed melanoma/eruptive-nevi case reports with formal MHRA and TGA safety warnings, plus priapism (a urological emergency). Directly stimulates melanocytes. Nausea and flushing are common.

PT-141

FDA: FDA-approved (Vyleesi)

FDA-approved for HSDD; nausea common (40%); transient BP increase; limited to 1 dose/24hr

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