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All peptides · Semax · COAs

Semax COA & lab test results

93 certificates of analysis published by 65 vendors, newest first.

57with readable numbers
99.587%median purity
111%median measured vs label
15testing labs

Labs: Accumark Labs, Analytical Formulations, Bioviridian, Chromate, Finnrick Analytics, Freedom Diagnostics, ILS Laboratories, Janoshik, Kovera Labs, Krause Analytical, MDx BioAnalytical Laboratory, MZ Biolabs, Sonic Laboratories, Vanguard Laboratory, Waiida.

VendorLabDateLabelMeasuredPurity
Polaris PeptidesAccumark Labs2026-09-2910 mg11.46 mg (115%)99.84%View
Sunrise BioResearchFreedom Diagnostics2026-09-2410 mg11.85 mg (119%)99.77%View
Above All PeptidesFreedom Diagnostics2026-09-1910 mg12.31 mg (123%)99.41%View
Simple PeptideFreedom Diagnostics2026-09-1910 mg12.21 mg (122%)99.43%View
Peptide Group Buy PGBJanoshik2026-09-0710 mg11.76 mg (118%)99.46%View
NuLife PeptidesFreedom Diagnostics2026-09-0410 mg11.05 mg (111%)99.69%View
Crush ResearchILS Laboratories2026-09-03––99.82%View
Peptide PartnersChromate2026-09-02––99.45%View
Domestic PepsFreedom Diagnostics2026-09-0110 mg11.08 mg (111%)99.14%View
NuLife PeptidesFreedom Diagnostics2026-09-0130 mg32.3 mg (108%)99.63%View
Alpha PeptidesKovera Labs2026-08-2610 mg10.47 mg (105%)99.57%View
Ion PeptideFreedom Diagnostics2026-08-2410 mg13.25 mg (133%)99.72%View
My Pure PeptideJanoshik2026-08-2410 mg11.1 mg (111%)99.423%View
NextGen HealthILS Laboratories2026-08-2430 mg30.83 mg (103%)99.82%View
Flycn PeptideJanoshik2026-08-21–––View (image)
Orbitrex PeptidesILS Laboratories2026-08-2010 mg10.44 mg (104%)99.9%View
NextGen HealthILS Laboratories2026-08-1810 mg10.35 mg (103%)99.93%View
Peptide CraftersAccumark Labs2026-08-1210 mg12.82 mg (128%)99.48%View
Pure Peptide LabsFreedom Diagnostics2026-08-1110 mg13.37 mg (134%)99.82%View
Bulk Peptide SupplyCOA concernsSonic Laboratories2026-08-0710 mg10.82 mg (108%)99.52%View
SaiyanMedFreedom Diagnostics2026-08-0710 mg11.63 mg (116%)99.73%View
CertaPeptidesJanoshik2026-08-0610 mg10.93 mg (109%)99.477%View
PeptagonAccumark Labs2026-08-0630 mg35.02 mg (117%)99.635%View
Mai PeptideFreedom Diagnostics2026-08-0510 mg10.64 mg (106%)99.56%View
Gulf Coast AminosFreedom Diagnostics2026-08-0410 mg10.45 mg (105%)99.78%View
Liberty Peptides–2026-08-0430 mg30.89 mg (103%)–View
Lotus BioILS Laboratories2026-0810 mg–99.77%View
Bulk Peptide SupplyCOA concernsKrause Analytical2026-07-2830 mg36.1 mg (120%)98.1%View
Hangzhou Mandy BiotechnologyJanoshik2026-07-2510 mg––View (image)
Simple PeptideFreedom Diagnostics2026-07-2510 mg13.36 mg (134%)99.55%View
RetaOne LabsKovera Labs2026-07-2410 mg11.41 mg (114%)99.587%View
BioPrecise LLCCOA concernsFinnrick Analytics2026-07-2310 mg–99%View
Modern AminosFreedom Diagnostics2026-07-1620 mg11.83 mg (59%)99.57%View
Glacier AminosKovera Labs2026-07-1510 mg11.35 mg (114%)99.613%View
Liberty Peptides–2026-07-0130 mg38.6 mg (129%)99.904%View
DMV PeptidesILS Laboratories2026-06-3010 mg10.73 mg (107%)99.93%View
Bulk Peptide SupplyCOA concernsMDx BioAnalytical Laboratory2026-06-2710 mg10.59 mg (106%)99.77%View
Bulk Peptide SupplyCOA concernsMDx BioAnalytical Laboratory2026-06-2710 mg10.37 mg (104%)99.77%View
Onyx ResearchFreedom Diagnostics2026-06-265 mg6.31 mg (126%)99.97%View
Loti LabsBioviridian2026-06-175 mg––View (image)
Modern AminosFreedom Diagnostics2026-06-1510 mg12.41 mg (124%)99.67%View
Peptide Group Buy PGBJanoshik2026-06-0510 mg11.09 mg (111%)99.37%View
CertaPeptidesJanoshik2026-05-285 mg–98.55%View
Nuscience PeptidesFreedom Diagnostics2026-05-2810 mg12.22 mg (122%)99.11%View
Alpha PeptidesAnalytical Formulations2026-05-2610 mg12.41 mg (124%)99.45%View
Qingdao Sigma Chemical QSC–2026-05-1830 mg––View (image)
Qingdao Sigma Chemical QSC–2026-05-1810 mg––View (image)
Qingdao Sigma Chemical QSC–2026-05-185 mg––View (image)
Longevity ProsJanoshik2026-05-14–––View (image)
Licensed PeptidesVanguard Laboratory2026-05-1130 mg––View (image)
NextGen HealthILS Laboratories2026-05-0610 mg10.39 mg (104%)99.77%View
Wolverine Peptides–2026-04-23––99.52%View
SaiyanMedJanoshik2026-04-2110 mg10.32 mg (103%)99.497%View
Simple PeptideFreedom Diagnostics2026-04-1510 mg12.69 mg (127%)99.11%View
TydesJanoshik2026-04-0830 mg–99.5%View
Regenerative ResearchKrause Analytical2026-03-308 mg8.18 mg (102%)99.9%View
LabRatscoCOA concernsWaiida2026-03-235 mg5.33 mg (107%)99.76%View
LabRatscoCOA concernsWaiida2026-03-2310 mg11.05 mg (111%)99.7%View
Alpha-GenFreedom Diagnostics2025-12-2410 mg11.01 mg (110%)98.541%View
Certified PeptidesVanguard Laboratory2025-12-0310 mg10.12 mg (101%)99.16%View
Hangzhou Mandy BiotechnologyKrause Analytical2025-12-014 mg––View (image)
Alpha PeptidesFreedom Diagnostics2025-11-2710 mg12.72 mg (127%)98.557%View
Nexa LabsMZ Biolabs2025-11-2510 mg––View (image)
Peptide Group Buy PGBJanoshik2025-11-1930 mg34.08 mg (114%)99.8%View
HkRoidsCOA concernsFreedom Diagnostics2025-11-0510 mg12.62 mg (126%)99.127%View
Flycn PeptideJanoshik2025-10-15–––View (image)
Medi PeptideJanoshik2025-10-1510 mg––View (image)
Aura PeptidesCOA concernsVanguard Laboratory2025-09-16–––View (image)
PeptideJFTJanoshik2025-09-1110 mg––View (image)
Xianhong Tong XHT PeptidesCOA concernsJanoshik2025-04-0410 mg––View (image)
Peptide-SCOA concernsJanoshik2024-04-23–––View (image)
Allen Biotechnology Co ABCJanoshik–10 mg––View (image)
Biolongevity LabsMDx BioAnalytical Laboratory––––View (image)
Biolongevity LabsMDx BioAnalytical Laboratory––––View (image)
Cocer PeptidesJanoshik–10 mg––View (image)
Cocer PeptidesJanoshik–10 mg––View (image)
Emlin BioScience ExchangeChromate–30 mg––View (image)
Guangzhou Jeep Biotechnology JEEPJanoshik–10 mg10.56 mg (106%)99.29%View
Hangzhou Youngpeptide Biotechnology HYBJanoshik–10 mg––View (image)
Hangzhou Youngpeptide Biotechnology HYBJanoshik–5 mg––View (image)
HkRoidsCOA concerns––10 mg––View (image)
Hydro ResearchChromate–10 mg––View (image)
InjectifyJanoshik––––View (image)
Kerui Peptide HongKongJanoshik–10 mg––View (image)
Kerui Peptide HongKongJanoshik–10 mg––View (image)
Longevity PlanMZ Biolabs–––99.6%View
Longevity Plan–––––View (image)
Modern Aminos––10 mg––View (image)
NextechLabsILS Laboratories––––View (image)
PugPepsCOA concerns––10 mg––View (image)
Shanghai Sigma Audley SSAJanoshik–30 mg––View (image)
WKC Walker ChemicalsJanoshik–10 mg––View (image)
YuanSense TechJanoshik––––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 Semax prices and lab-verified vendors.