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Melanotan I COA & lab test results

23 certificates of analysis published by 22 vendors, newest first.

15with readable numbers
99.71%median purity
104%median measured vs label
9testing labs

Labs: Accumark Labs, Ethos Analytics, Freedom Diagnostics, ILS Laboratories, Janoshik, Kovera Labs, MDx BioAnalytical Laboratory, Vanguard Laboratory, hydroresearchpeptides.com.

VendorLabDateLabelMeasuredPurity
Go Alpha Labs PeptidesFreedom Diagnostics2026-10-0210 mg8.89 mg (89%)99.71%View
Valor peptidesAccumark Labs2026-09-2410 mg10.03 mg (100%)99.704%View
Peptide Group Buy PGBJanoshik2026-09-0710 mg10.97 mg (110%)99.33%View
Domestic PepsFreedom Diagnostics2026-09-0110 mg11.47 mg (115%)99.73%View
TydesAccumark Labs2026-08-30–12.62 mg99.819%View
NextGen HealthILS Laboratories2026-08-2510 mg10.36 mg (104%)99.19%View
Orbitrex PeptidesFreedom Diagnostics2026-08-15–11.72 mg99.7%View
CertaPeptidesJanoshik2026-08-0610 mg9.61 mg (96%)99.645%View
Amplified AminoJanoshik2026-07-2410 mg10.39 mg (104%)99.857%View
NexaphJanoshik2026-07-2410 mg10.39 mg (104%)99.86%View
PepLab SolutionsKovera Labs2026-07-2410 mg11.33 mg (113%)99.717%View
Skye PeptidesAccumark Labs2026-07-0810 mg13 mg (130%)99.917%View
Regenerative ResearchILS Laboratories2026-06-1010 mg10.62 mg (106%)99.61%View
Evolve BioPepEthos Analytics2026-06-09–––View (image)
Simple PeptideFreedom Diagnostics2026-05-1410 mg11.62 mg (116%)99.93%View
Licensed PeptidesVanguard Laboratory2026-05-1110 mg––View (image)
Nuscience PeptidesFreedom Diagnostics2026-03-2010 mg––View (image)
Pharma Grade PeptidesJanoshik2026-02-2710 mg––View (image)
Hydro Researchhydroresearchpeptides.com2025-11-2010 mg8.5 mg (85%)99.597%View
Andy Peps StudioJanoshik–1 mg––View (image)
Biolongevity LabsMDx BioAnalytical Laboratory––––View (image)
BioPrecise LLCCOA concerns–––––View (image)
Licensed PeptidesVanguard Laboratory–10 mg––View (image)

A vendor's COA shows one tested sample, not every batch. Numbers are filled in only where the document is readable text; image-only COAs are linked without numbers. Vendors banned for fake reports are excluded. Compare Melanotan I prices and lab-verified vendors.