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All peptides · KPV · COAs

KPV COA & lab test results

96 certificates of analysis published by 77 vendors, newest first.

59with readable numbers
99.55%median purity
110%median measured vs label
18testing labs

Labs: Accumark Labs, Analytical Formulations, Bioviridian, Chromate, Ethos Analytics, Finnrick Analytics, Freedom Diagnostics, ILS Laboratories, Janoshik, Kovera Labs, Krause Analytical, MDx BioAnalytical Laboratory, MZ Biolabs, Pacific Coast Biologics, Qorix Labs (Tianjin), TrustPointe Analytics, Vanguard Laboratory, hydroresearchpeptides.com.

VendorLabDateLabelMeasuredPurity
Go Alpha Labs PeptidesFreedom Diagnostics2026-10-0210 mg12.58 mg (126%)99.96%View
Valor peptidesAccumark Labs2026-09-3010 mg12.313 mg (123%)99.436%View
Rhome ResearchFreedom Diagnostics2026-09-2412 mg8.93 mg (74%)99.79%View
CertaPeptidesJanoshik2026-09-1810 mg11.93 mg (119%)98.786%View
Shanghai Leader Peptide BiotechnologyCOA concernsFreedom Diagnostics2026-09-1710 mg9.41 mg (94%)99.71%View
Sunrise BioResearchFreedom Diagnostics2026-09-1710 mg12.35 mg (123%)99.87%View
NuLife PeptidesFreedom Diagnostics2026-09-1610 mg13.58 mg (136%)99.5%View
Peptide Group Buy PGBJanoshik2026-09-1010 mg11.89 mg (119%)98.89%View
Crush ResearchILS Laboratories2026-09-0610 mg10.48 mg (105%)99.13%View
Crush ResearchILS Laboratories2026-09-0610 mg10.53 mg (105%)99.19%View
Ion PeptideFreedom Diagnostics2026-09-0520 mg21.79 mg (109%)99.88%View
Domestic PepsFreedom Diagnostics2026-09-0130 mg27.27 mg (91%)99.8%View
Regenerative ResearchFreedom Diagnostics2026-08-3012 mg11.91 mg (99%)99.88%View
Pharma Grade PeptidesJanoshik2026-08-2710 mg––View (image)
Amplified AminoJanoshik2026-08-2610 mg11.16 mg (112%)98.827%View
NexaphJanoshik2026-08-2610 mg11.16 mg (112%)98.83%View
Peptide CraftersAccumark Labs2026-08-2610 mg10.88 mg (109%)99.56%View
NextGen HealthILS Laboratories2026-08-2430 mg31.39 mg (105%)99.14%View
Orbitrex PeptidesFreedom Diagnostics2026-08-2010 mg11.15 mg (112%)99.63%View
Glacier AminosEthos Analytics2026-08-1910 mg10.155 mg (102%)–View
NextGen HealthILS Laboratories2026-08-1710 mg10.4 mg (104%)99.85%View
Rhome ResearchFreedom Diagnostics2026-08-1712 mg11.78 mg (98%)99.44%View
NovapureQorix Labs (Tianjin)2026-08-145 mg–99.19%View
Pure Peptide LabsFreedom Diagnostics2026-08-1110 mg12.14 mg (121%)99.61%View
Elite Research USAFreedom Diagnostics2026-08-0910 mg11.53 mg (115%)99.49%View
Simple PeptideFreedom Diagnostics2026-08-0610 mg11.67 mg (117%)99.6%View
Mai PeptideFreedom Diagnostics2026-08-0510 mg11.22 mg (112%)99.66%View
Polaris PeptidesAccumark Labs2026-07-3110 mg12.04 mg (120%)99.05%View
Mai PeptideFreedom Diagnostics2026-07-3010 mg10.2 mg (102%)99.53%View
Qingdao Sigma Chemical QSC–2026-07-2910 mg––View (image)
Loti LabsBioviridian2026-07-275 mg––View (image)
LumiraCOA concernsPacific Coast Biologics2026-07-2710 mg12.21 mg (122%)99.2%View
Swiss ChemsJanoshik2026-07-27–––View (image)
Hangzhou Mandy BiotechnologyJanoshik2026-07-2510 mg––View (image)
Gulf Coast AminosFreedom Diagnostics2026-07-2430 mg30.39 mg (101%)99.71%View
PepLab SolutionsKovera Labs2026-07-2410 mg10.75 mg (108%)99.579%View
PeptagonAccumark Labs2026-07-2410 mg12.39 mg (124%)99.308%View
BioPrecise LLCCOA concernsFinnrick Analytics2026-07-2310 mg–98.8%View
Nuscience PeptidesFreedom Diagnostics2026-07-2310 mg12.12 mg (121%)99.85%View
NextGen HealthILS Laboratories2026-07-2110 mg10.26 mg (103%)99.66%View
Alpha-GenFreedom Diagnostics2026-07-1010 mg10.51 mg (105%)99.88%View
Simple PeptideFreedom Diagnostics2026-07-1010 mg10.51 mg (105%)99.89%View
Domestic PepsILS Laboratories2026-07-0410 mg10.39 mg (104%)99.69%View
Guangzhou AoyuFreedom Diagnostics2026-07-0110 mg10.73 mg (107%)99.43%View
Bulk Peptide SupplyCOA concernsMDx BioAnalytical Laboratory2026-06-2710 mg11.02 mg (110%)99.76%View
LumiraCOA concernsKrause Analytical2026-06-2510 mg8.28 mg (83%)96.4%View
Hydro Researchhydroresearchpeptides.com2026-06-2210 mg12.66 mg (127%)98.157%View
BioHack LondonJanoshik2026-06-1910 mg13.32 mg (133%)99.29%View
Peptide PartnersTrustPointe Analytics2026-06-12–9.57 mg99.364%View
Peptide Group Buy PGBJanoshik2026-06-0910 mg12.36 mg (124%)99.35%View
Lotus BioJanoshik2026-0610 mg–98.62%View
Huatai PeptideFreedom Diagnostics2026-05-2310 mg9.96 mg (100%)99.23%View
NextGen HealthILS Laboratories2026-05-2210 mg10.25 mg (102%)99.72%View
Longevity ProsJanoshik2026-05-14–––View (image)
Modern AminosFreedom Diagnostics2026-05-1410 mg11.94 mg (119%)99.83%View
My Pure PeptideJanoshik2026-05-1310 mg13.03 mg (130%)99.155%View
UtherJanoshik2026-05-1210 mg12.14 mg (121%)98.697%View
Liberty Peptides–2026-04-2710 mg–99.27%View
Alpha PeptidesAnalytical Formulations2026-03-3010 mg11.54 mg (115%)99.55%View
LN Peptides–2026-02-2630 mg––View (image)
PeptiSlimJanoshik2026-02-2310 mg––View (image)
Liyu DailyJanoshik2026-02-195 mg––View (image)
LMRJanoshik2026-02-1310 mg––View (image)
Licensed PeptidesVanguard Laboratory2026-02-1010 mg10.21 mg (102%)99.8%View
Aavant ResearchJanoshik2025-12-23–19.05 mg99.882%View
LN Peptides–2025-12-1510 mg––View (image)
PeptideJFTJanoshik2025-12-1010 mg––View (image)
Aavant ResearchJanoshik2025-11-24–17.11 mg99.752%View
The Naughty NeedleFreedom Diagnostics2025-11-105 mg6.42 mg (128%)99.76%View
Amino AmigosMZ Biolabs2025-07-0910 mg9.41 mg (94%)99.97%View
Andy Peps StudioJanoshik–10 mg––View (image)
Atomik Labz–––––View (image)
BarnJanoshik––––View (image)
BeiBangAnJanoshik–10 mg––View (image)
Cocer PeptidesJanoshik–10 mg––View (image)
Domestic PepsChromate–30 mg––View (image)
Emlin BioScience ExchangeILS Laboratories–10 mg––View (image)
Eros PeptidesFreedom Diagnostics–10 mg––View (image)
Guangzhou Jeep Biotechnology JEEPJanoshik––13.1 mg99.193%View
InjectifyJanoshik––––View (image)
Kerui Peptide HongKongJanoshik–10 mg––View (image)
Longevity Plan–––––View (image)
Mai PeptideJanoshik–10 mg––View (image)
Modern Aminos––10 mg––View (image)
Modern Aminos––10 mg––View (image)
NextechLabsILS Laboratories––––View (image)
Noble DragonsJanoshik–10 mg––View (image)
Peptides 4 ResearchMDx BioAnalytical Laboratory–10 mg––View (image)
PugPepsCOA concerns––10 mg––View (image)
PugPepsCOA concerns––10 mg––View (image)
Royal PeptidesJanoshik–60 mg––View (image)
Royal PeptidesJanoshik–10 mg––View (image)
Shanghai Sigma Audley SSAJanoshik–10 mg––View (image)
Shenzhen Aurora BiotechnologyILS Laboratories–10 mg––View (image)
WKC Walker ChemicalsJanoshik–10 mg––View (image)
WKC Walker ChemicalsJanoshik–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 KPV prices and lab-verified vendors.