Peptide Price Finder

All peptides · Tirzepatide · COAs

Tirzepatide COA & lab test results

645 certificates of analysis published by 144 vendors, newest first.

292with readable numbers
99.836%median purity
109%median measured vs label
27testing labs

Labs: AV Analytics, Accumark Labs, Analiza Bialek, Analytical Formulations, BTLabs, Bioviridian, Chromate, Ethos Analytics, Finnrick Analytics, Forever Young Pharmacy, Freedom Diagnostics, Frontier Orbital (Tianjin), Horizon Analytical, Hydro Research Labs, ILS Laboratories, Janoshik, Kovera Labs, Krause Analytical, Lingke Bio-Detection, MZ Biolabs, Precision Mass Spec, Prime Analytical Laboratories, Qorix Labs (Tianjin), SideChain Analytics, TrustPointe Analytics, Vanguard Laboratory, Waiida.

VendorLabDateLabelMeasuredPurity
Amplified AminoJanoshik2026-10-0215 mg17.14 mg (114%)99.73%View
Elite Research USAFreedom Diagnostics2026-10-0260 mg64.87 mg (108%)99.98%View
NexaphJanoshik2026-10-0215 mg17.14 mg (114%)99.73%View
NexaphJanoshik2026-10-0230 mg35.24 mg (117%)99.81%View
Pure Peptide LabsKovera Labs2026-10-015 mg6.37 mg (127%)99.547%View
Polaris PeptidesAccumark Labs2026-09-3010 mg12.78 mg (128%)99.98%View
Polaris PeptidesAccumark Labs2026-09-3030 mg37.68 mg (126%)99.97%View
Valor peptidesAccumark Labs2026-09-3060 mg62.428 mg (104%)99.965%View
PeptagonAccumark Labs2026-09-2830 mg39.024 mg (130%)99.95%View
Sunrise BioResearchFreedom Diagnostics2026-09-2830 mg33.83 mg (113%)99.94%View
Go Alpha Labs PeptidesFreedom Diagnostics2026-09-26100 mg97.99 mg (98%)99.92%View
Valor peptidesAccumark Labs2026-09-24100 mg99.902 mg (100%)99.942%View
Valor peptidesAccumark Labs2026-09-2160 mg63.363 mg (106%)99.977%View
Simple PeptideFreedom Diagnostics2026-09-192 mg2.03 mg (101%)99.64%View
Crush ResearchILS Laboratories2026-09-1840 mg42.21 mg (106%)99.7%View
Royal PeptidesFreedom Diagnostics2026-09-1830 mg37.9 mg (126%)99.91%View
NextGen HealthILS Laboratories2026-09-1460 mg64.01 mg (107%)99.68%View
TydesAccumark Labs2026-09-1240 mg44.415 mg (111%)99.969%View
Shanghai Leader Peptide BiotechnologyCOA concernsQorix Labs (Tianjin)2026-09-1115 mg–99.7%View
Shanghai Leader Peptide BiotechnologyCOA concernsQorix Labs (Tianjin)2026-09-1160 mg–99.82%View
SPBFreedom Diagnostics2026-09-1130 mg37.38 mg (125%)99.93%View
PeptagonAccumark Labs2026-09-0940 mg43.05 mg (108%)99.964%View
PeptagonAccumark Labs2026-09-0950 mg64.3 mg (129%)99.987%View
PeptagonAccumark Labs2026-09-0975 mg84.215 mg (112%)99.974%View
PeptagonAccumark Labs2026-09-09100 mg112.369 mg (112%)99.984%View
Elite Research USAFreedom Diagnostics2026-09-0820 mg18.47 mg (92%)99.86%View
Elite Research USAFreedom Diagnostics2026-09-0810 mg12.66 mg (127%)99.94%View
PeptagonAccumark Labs2026-09-0810 mg10.92 mg (109%)99.67%View
My Pure PeptideJanoshik2026-09-0760 mg61.06 mg (102%)99.816%View
Pura PeptidesFreedom Diagnostics2026-09-0730 mg––View (image)
Peptide CraftersAccumark Labs2026-09-0410 mg13.87 mg (139%)99.97%View
Shanghai Leader Peptide BiotechnologyCOA concernsQorix Labs (Tianjin)2026-09-0430 mg–99.8%View
Bio PepzBTLabs2026-09-0310 mg––View (image)
Bio PepzBTLabs2026-09-0320 mg––View (image)
Bio PepzBTLabs2026-09-0330 mg––View (image)
Bio PepzBTLabs2026-09-0340 mg––View (image)
Bio PepzBTLabs2026-09-0350 mg––View (image)
Bio PepzBTLabs2026-09-0360 mg––View (image)
Bio PepzBTLabs2026-09-03100 mg––View (image)
Bio PepzBTLabs2026-09-03120 mg––View (image)
EZ PeptidesILS Laboratories2026-09-0333 mg34.3 mg (104%)99.9%View
NextGen HealthILS Laboratories2026-09-0320 mg20.66 mg (103%)99.39%View
Pure Peptide LabsPrecision Mass Spec2026-09-0310 mg11.86 mg (119%)99.73%View
Pure Peptide LabsPrecision Mass Spec2026-09-0315 mg17.83 mg (119%)99.68%View
HelixBridgeSideChain Analytics2026-09-0230 mg35.63 mg (119%)99.8%View
Domestic PepsFreedom Diagnostics2026-09-0130 mg35.21 mg (117%)99.8%View
Domestic PepsFreedom Diagnostics2026-09-0160 mg62.4 mg (104%)99.92%View
Domestic PepsFreedom Diagnostics2026-09-0160 mg57.29 mg (95%)99.91%View
Gulf Coast AminosFreedom Diagnostics2026-09-0120 mg24.54 mg (123%)99.34%View
The Naughty NeedleFreedom Diagnostics2026-08-2820 mg26.35 mg (132%)99.81%View
Bulk Peptide SupplyCOA concernsAV Analytics2026-08-27100 mg101.48 mg (101%)99.79%View
TydesAccumark Labs2026-08-2760 mg70.26 mg (117%)99.908%View
TydesAccumark Labs2026-08-2710 mg12.101 mg (121%)99.976%View
Crush ResearchILS Laboratories2026-08-2460 mg63.18 mg (105%)99.57%View
Ion PeptideFreedom Diagnostics2026-08-2430 mg31.42 mg (105%)99.84%View
Noble DragonsJanoshik2026-08-2230 mg––View (image)
NextGen HealthILS Laboratories2026-08-2130 mg30.98 mg (103%)99.9%View
Flycn PeptideJanoshik2026-08-20–––View (image)
Amplified AminoJanoshik2026-08-1910 mg11.19 mg (112%)99.931%View
Amplified AminoJanoshik2026-08-1920 mg23.33 mg (117%)99.939%View
NexaphJanoshik2026-08-1910 mg11.19 mg (112%)99.93%View
NexaphJanoshik2026-08-1920 mg23.33 mg (117%)99.94%View
NextGen HealthILS Laboratories2026-08-1820 mg21.42 mg (107%)99.96%View
NextGen HealthILS Laboratories2026-08-1830 mg30.76 mg (103%)99.96%View
NextGen HealthILS Laboratories2026-08-1840 mg42.49 mg (106%)99.92%View
NextGen HealthILS Laboratories2026-08-1830 mg31.25 mg (104%)99.98%View
SaiyanMedFreedom Diagnostics2026-08-1730 mg29.41 mg (98%)99.88%View
Shenzhen Aurora BiotechnologyILS Laboratories2026-08-1760 mg61.7 mg (103%)99.57%View
Shenzhen Aurora BiotechnologyILS Laboratories2026-08-1730 mg31.51 mg (105%)99.73%View
NextGen HealthILS Laboratories2026-08-1420 mg20.91 mg (105%)99.95%View
Glacier AminosEthos Analytics2026-08-1320 mg20.31 mg (102%)–View
Royal PeptidesFreedom Diagnostics2026-08-1360 mg67.93 mg (113%)99.82%View
Peptide CraftersAccumark Labs2026-08-1135 mg37.36 mg (107%)99.74%View
Peptide Group Buy PGBJanoshik2026-08-1130 mg34.69 mg (116%)99.77%View
Peptide Group Buy PGBJanoshik2026-08-1160 mg67.58 mg (113%)99.82%View
Peptides For LessFreedom Diagnostics2026-08-1160 mg58.13 mg (97%)99.96%View
Pure Peptide LabsFreedom Diagnostics2026-08-1120 mg23.83 mg (119%)99.85%View
Pure Peptide LabsFreedom Diagnostics2026-08-1130 mg37.52 mg (125%)99.89%View
Amplified AminoJanoshik2026-08-1060 mg66.5 mg (111%)99.755%View
My Pure PeptideJanoshik2026-08-1060 mg67.71 mg (113%)99.557%View
NexaphJanoshik2026-08-1060 mg66.5 mg (111%)99.75%View
RetaOne LabsKovera Labs2026-08-1040 mg42.31 mg (106%)99.721%View
Noble DragonsJanoshik2026-08-0930 mg––View (image)
LumiraCOA concernsKrause Analytical2026-08-0530 mg28 mg (93%)99.9%View
Mai PeptideFreedom Diagnostics2026-08-0520 mg22.22 mg (111%)99.98%View
Mai PeptideFreedom Diagnostics2026-08-0530 mg34.4 mg (115%)99.95%View
Mai PeptideFreedom Diagnostics2026-08-0560 mg65.87 mg (110%)99.93%View
PeptidologyVanguard Laboratory2026-08-0560 mg65.29 mg (109%)99.8%View
Polaris PeptidesAccumark Labs2026-08-0560 mg70.51 mg (118%)99.98%View
Paramount PeptidesAccumark Labs2026-08-04100 mg––View (image)
Shenzhen Aurora BiotechnologyBTLabs2026-08-0430 mg––View (image)
PepLab SolutionsKovera Labs2026-08-0340 mg41.3 mg (103%)99.639%View
Polaris PeptidesAccumark Labs2026-08-0250 mg61.6 mg (123%)99.97%View
Loti LabsBioviridian2026-08-0130 mg––View (image)
Loti LabsBioviridian2026-08-0150 mg––View (image)
Lotus BioJanoshik2026-0830 mg–99.669%View
PX PeptidesJanoshik2026-0815 mg–99.585%View
PX PeptidesJanoshik2026-0830 mg–99.693%View
Certified Peptides–2026-07-3130 mg––View (image)
Peptide PartnersKovera Labs2026-07-3140 mg40.99 mg (102%)99.705%View
HelixBridge–2026-07-3060 mg–99.576%View (image)
PeptidologyVanguard Laboratory2026-07-2830 mg32.61 mg (109%)99.38%View
PeptidologyVanguard Laboratory2026-07-2820 mg22.69 mg (113%)99.45%View
Loti LabsBioviridian2026-07-2710 mg––View (image)
Domestic PepsFreedom Diagnostics2026-07-26120 mg124.33 mg (104%)99.82%View
Hangzhou Mandy BiotechnologyJanoshik2026-07-2430 mg––View (image)
PepLab SolutionsKovera Labs2026-07-2430 mg33.97 mg (113%)99.485%View
PepLab SolutionsKovera Labs2026-07-2420 mg22.52 mg (113%)99.731%View
Amplified AminoJanoshik2026-07-2315 mg17.16 mg (114%)99.541%View
NexaphJanoshik2026-07-2315 mg17.16 mg (114%)99.54%View
BioPrecise LLCCOA concernsFinnrick Analytics2026-07-2220 mg–99.9%View
Alpha-GenBioviridian2026-07-2110 mg––View (image)
Evolve BioPepEthos Analytics2026-07-2120 mg––View (image)
PepLab SolutionsKovera Labs2026-07-2110 mg10.38 mg (104%)99.594%View
Peptide CraftersAccumark Labs2026-07-21120 mg130.52 mg (109%)99.98%View
Peptide CraftersAccumark Labs2026-07-2115 mg17.64 mg (118%)99.97%View
HelixBridgeSideChain Analytics2026-07-2010 mg10.43 mg (104%)99.09%View
Glacier AminosKovera Labs2026-07-1510 mg9.697 mg (97%)99.733%View
Prime PeptidesFreedom Diagnostics2026-07-1530 mg31.2 mg (104%)99.97%View
Alpha BioMed–2026-07-1330 mg––View (image)
EZ PeptidesILS Laboratories2026-07-0965 mg67.77 mg (104%)99.87%View
EZ PeptidesILS Laboratories2026-07-0920 mg21.08 mg (105%)99.8%View
Regenerative ResearchILS Laboratories2026-07-0930 mg30.77 mg (103%)99.9%View
Hydro ResearchILS Laboratories2026-07-0810 mg10.48 mg (105%)99.78%View
Hydro ResearchILS Laboratories2026-07-08100 mg105.11 mg (105%)99.8%View
Hydro ResearchILS Laboratories2026-07-0815 mg15.64 mg (104%)99.88%View
Hydro ResearchILS Laboratories2026-07-0820 mg21.25 mg (106%)99.91%View
Hydro ResearchILS Laboratories2026-07-0830 mg31.67 mg (106%)99.98%View
Hydro ResearchILS Laboratories2026-07-0860 mg63.29 mg (105%)99.86%View
Prime PeptidesFreedom Diagnostics2026-07-0830 mg34.1 mg (114%)99.92%View
Peptide CraftersVanguard Laboratory2026-07-0680 mg86.08 mg (108%)99.8%View
Alpha-GenFreedom Diagnostics2026-07-0330 mg32.72 mg (109%)99.81%View
NuLife PeptidesFreedom Diagnostics2026-07-0315 mg18.83 mg (126%)99.81%View
NuLife PeptidesFreedom Diagnostics2026-07-0330 mg32.72 mg (109%)99.81%View
NuLife PeptidesFreedom Diagnostics2026-07-0360 mg63.21 mg (105%)99.81%View
Amplified AminoJanoshik2026-07-0230 mg34.81 mg (116%)99.952%View
NexaphJanoshik2026-07-0230 mg34.81 mg (116%)99.95%View
Polaris PeptidesAccumark Labs2026-07-0210 mg12.68 mg (127%)99.936%View
Alpha BioMed–2026-07-0110 mg––View (image)
Guangzhou AoyuFreedom Diagnostics2026-07-0110 mg12.57 mg (126%)99.98%View
Lotus BioILS Laboratories2026-0740 mg–100%View
HealthTide BiotechJanoshik2026-06-29100 mg––View (image)
PeptiSlimJanoshik2026-06-2920 mg––View (image)
Alpha BioMed–2026-06-2860 mg––View (image)
LabRatscoCOA concernsLingke Bio-Detection2026-06-27–––View (image)
Onyx ResearchFreedom Diagnostics2026-06-2610 mg12.64 mg (126%)99.86%View
Peptide CraftersVanguard Laboratory2026-06-26100 mg110.77 mg (111%)–View
Guangzhou AoyuFreedom Diagnostics2026-06-2515 mg17.04 mg (114%)99.83%View
Guangzhou AoyuFreedom Diagnostics2026-06-2510 mg19.27 mg (193%)99.94%View
Alpha BioMed–2026-06-2375 mg––View (image)
Alpha BioMed–2026-06-2310 mg––View (image)
Alpha BioMed–2026-06-2375 mg––View (image)
LMRJanoshik2026-06-2320 mg––View (image)
Mei PeptideJanoshik2026-06-2315 mg––View (image)
Mei PeptideJanoshik2026-06-2330 mg––View (image)
SoliraChromate2026-06-2320 mg–98.993%View
PepClub USAFreedom Diagnostics2026-06-2140 mg40.76 mg (102%)99.94%View
Alpha-GenFreedom Diagnostics2026-06-2010 mg10.72 mg (107%)99.58%View
Pepta LabsBTLabs2026-06-1810 mg––View (image)
EZ PeptidesILS Laboratories2026-06-0950 mg51.73 mg (103%)99.39%View
NextGen HealthILS Laboratories2026-06-0930 mg31.68 mg (106%)99.88%View
Alpha BioMed–2026-06-08120 mg––View (image)
Peptide Group Buy PGBJanoshik2026-06-0815 mg17.77 mg (118%)99.75%View
Jett LabsFreedom Diagnostics2026-06-0720 mg23.25 mg (116%)99.94%View
Jett LabsFreedom Diagnostics2026-06-0730 mg36.84 mg (123%)99.92%View
NextGen HealthILS Laboratories2026-06-0560 mg63.89 mg (106%)99.9%View
EZ PeptidesILS Laboratories2026-06-0430 mg31.16 mg (104%)99.03%View
Platinum CryoChromate2026-06-0410 mg––View (image)
Amplified AminoJanoshik2026-06-0320 mg22.9 mg (115%)99.739%View
Hangzhou Mandy BiotechnologyJanoshik2026-06-0320 mg––View (image)
Evolve BioPepEthos Analytics2026-06-015 mg––View (image)
Evolve BioPepEthos Analytics2026-06-0115 mg––View (image)
Lotus BioJanoshik2026-0660 mg–99.912%View
Lotus BioFreedom Diagnostics2026-0630 mg–99.87%View
Gulf Coast AminosFreedom Diagnostics2026-05-3110 mg13.65 mg (137%)99.88%View
Gulf Coast AminosFreedom Diagnostics2026-05-3120 mg24.43 mg (122%)99.87%View
Jett LabsFreedom Diagnostics2026-05-2440 mg39.81 mg (100%)99.85%View
EZ PeptidesILS Laboratories2026-05-2265 mg67.8 mg (104%)99.85%View
Gulf Coast AminosBTLabs2026-05-2220 mg27.1 mg (136%)99.8%View
Gulf Coast AminosBTLabs2026-05-2260 mg56.2 mg (94%)99.8%View
Shenzhen Aurora BiotechnologyJanoshik2026-05-2230 mg––View (image)
UtherJanoshik2026-05-2160 mg67.02 mg (112%)99.863%View
UtherJanoshik2026-05-2030 mg33.98 mg (113%)99.802%View
UtherJanoshik2026-05-2010 mg33.98 mg (340%)99.802%View
Huatai PeptideFreedom Diagnostics2026-05-1930 mg28.86 mg (96%)99.82%View
Longevity ProsJanoshik2026-05-18–––View (image)
Longevity ProsJanoshik2026-05-18–––View (image)
Longevity ProsJanoshik2026-05-18–––View (image)
RetaOne LabsKovera Labs2026-05-1330 mg32.25 mg (108%)99.956%View
Huaian Banting TradingJanoshik2026-05-1260 mg––View (image)
Planet PeptideFreedom Diagnostics2026-05-1260 mg68.81 mg (115%)99.84%View
UtherJanoshik2026-05-1210 mg11.84 mg (118%)99.684%View
Andy Peps StudioJanoshik2026-05-1160 mg––View (image)
EZ PeptidesILS Laboratories2026-05-1112 mg12.45 mg (104%)99.9%View
Licensed PeptidesVanguard Laboratory2026-05-1110 mg––View (image)
Pura PeptidesFreedom Diagnostics2026-05-0860 mg––View (image)
Andy Peps StudioJanoshik2026-05-0730 mg––View (image)
NextGen HealthILS Laboratories2026-05-0640 mg42.65 mg (107%)99.93%View
NextGen HealthILS Laboratories2026-05-0620 mg21.47 mg (107%)99.92%View
Qingdao Sigma Chemical QSC–2026-05-0630 mg––View (image)
UtherJanoshik2026-05-0645 mg52.68 mg (117%)99.927%View
UtherJanoshik2026-05-0430 mg31.39 mg (105%)99.839%View
Alpha PeptidesAnalytical Formulations2026-05-0160 mg66.77 mg (111%)99.9%View
Lotus BioFreedom Diagnostics2026-0540 mg–99.89%View
Lotus BioJanoshik2026-0520 mg–99.75%View
NextechLabsILS Laboratories2026-04-3010 mg––View (image)
Junli PeptideCOA concernsJanoshik2026-04-29–––View (image)
Junli PeptideCOA concernsJanoshik2026-04-29–––View (image)
Alpha PeptidesAnalytical Formulations2026-04-2530 mg33.17 mg (111%)99.7%View
Mai PeptideFreedom Diagnostics2026-04-2530 mg35.28 mg (118%)99.78%View
Bluebonnet PeptidesKrause Analytical2026-04-2115 mg15.4 mg (103%)99.9%View
Bluebonnet PeptidesKrause Analytical2026-04-2110 mg10.4 mg (104%)99.9%View
Bluebonnet PeptidesKrause Analytical2026-04-215 mg5.03 mg (101%)99.9%View
Planet PeptideFreedom Diagnostics2026-04-1860 mg60.7 mg (101%)99.91%View
EZ PeptidesFreedom Diagnostics2026-04-16100 mg116.07 mg (116%)99.9%View
RetaOne LabsKovera Labs2026-04-1510 mg10.53 mg (105%)99.881%View
RetaOne LabsKovera Labs2026-04-1530 mg33.41 mg (111%)99.92%View
RetaOne LabsKovera Labs2026-04-1560 mg63.12 mg (105%)99.901%View
Aura PeptidesCOA concernsHorizon Analytical2026-04-12–––View (image)
PeptidologyVanguard Laboratory2026-04-1060 mg63.92 mg (107%)99.8%View
Shenzhen Aurora BiotechnologyJanoshik2026-04-1030 mg––View (image)
TydesJanoshik2026-04-0860 mg–99.9%View
BFF ChemJanoshik2026-04-01–30.54 mg99.937%View
BFF ChemJanoshik2026-04-01–29.4 mg99.903%View
BFF ChemJanoshik2026-04-01–39.7 mg99.898%View
BFF ChemJanoshik2026-04-01–31.83 mg99.792%View
BFF ChemJanoshik2026-04-0120 mg––View (image)
BfflinkJanoshik2026-04-0120 mg––View (image)
BfflinkJanoshik2026-04-01–39.7 mg99.898%View
BfflinkJanoshik2026-04-01–31.83 mg99.792%View
BfflinkJanoshik2026-04-01–29.4 mg99.903%View
BfflinkJanoshik2026-04-01–30.54 mg99.937%View
Bfflist AMOJanoshik2026-04-0120 mg––View (image)
Bfflist AMOJanoshik2026-04-01–39.7 mg99.898%View
Bfflist AMOJanoshik2026-04-01–31.83 mg99.792%View
Bfflist AMOJanoshik2026-04-01–29.4 mg99.903%View
Bfflist AMOJanoshik2026-04-01–30.54 mg99.937%View
Prime Peptides–2026-04-0110 mg––View (image)
Lotus Bio–2026-04––99.4%View
PeptidologyVanguard Laboratory2026-03-3110 mg10.22 mg (102%)99.8%View
Aavant ResearchTrustPointe Analytics2026-03-24–34.74 mg99.921%View
LabRatscoCOA concernsWaiida2026-03-235 mg5.32 mg (106%)99.72%View
LabRatscoCOA concernsWaiida2026-03-2310 mg10.77 mg (108%)99.56%View
LabRatscoCOA concernsWaiida2026-03-2315 mg16.04 mg (107%)99.73%View
LabRatscoCOA concernsWaiida2026-03-2320 mg21.6 mg (108%)99.72%View
LabRatscoCOA concernsWaiida2026-03-2330 mg32.41 mg (108%)99.69%View
LabRatscoCOA concernsWaiida2026-03-2340 mg43.5 mg (109%)99.63%View
LabRatscoCOA concernsWaiida2026-03-2350 mg53.19 mg (106%)99.79%View
LabRatscoCOA concernsWaiida2026-03-2360 mg65.11 mg (109%)99.7%View
LabRatscoCOA concernsWaiida2026-03-2380 mg85.37 mg (107%)99.66%View
Sigma PeptidesPrime Analytical Laboratories2026-03-195 mg––View (image)
Hydro ResearchJanoshik2026-03-1710 mg11.48 mg (115%)99.656%View
Hydro ResearchILS Laboratories2026-03-17100 mg110.64 mg (111%)99.92%View
Hydro ResearchILS Laboratories2026-03-1760 mg68.98 mg (115%)99.845%View
Hydro ResearchILS Laboratories2026-03-1715 mg17.34 mg (116%)99.655%View
Hydro ResearchILS Laboratories2026-03-1730 mg35.05 mg (117%)99.858%View
Hydro ResearchHydro Research Labs2026-03-175 mg5.66 mg (113%)99.388%View
Kits4lessJanoshik2026-03-1360 mg––View (image)
Kits4lessJanoshik2026-03-1330 mg––View (image)
EZ PeptidesFreedom Diagnostics2026-03-1130 mg29.96 mg (100%)99.803%View
Sigma PeptidesPrime Analytical Laboratories2026-03-1110 mg––View (image)
Aavant ResearchTrustPointe Analytics2026-03-03–70.914 mg99.892%View
Mai PeptideFreedom Diagnostics2026-03-0230 mg33.31 mg (111%)99.958%View
Aavant ResearchTrustPointe Analytics2026-02-27–17.49 mg99.242%View
Aavant ResearchTrustPointe Analytics2026-02-27–36.21 mg99.894%View
RetaOne LabsVanguard Laboratory2026-02-2710 mg9.95 mg (99%)99.8%View
BFF ChemJanoshik2026-02-26–31.44 mg99.871%View
BfflinkJanoshik2026-02-26–31.44 mg99.871%View
Bfflist AMOJanoshik2026-02-26–31.44 mg99.871%View
Sigma PeptidesPrime Analytical Laboratories2026-02-2530 mg––View (image)
Liyu DailyJanoshik2026-02-23–––View (image)
PeptiSlimJanoshik2026-02-2360 mg––View (image)
BFF ChemJanoshik2026-02-2160 mg––View (image)
BfflinkJanoshik2026-02-21–––View (image)
Bfflist AMOJanoshik2026-02-21–––View (image)
PeptiSlimJanoshik2026-02-2030 mg––View (image)
Chimera PeptidesKrause Analytical2026-02-1830 mg––View (image)
Peptides For LessKrause Analytical2026-02-1860 mg64.7 mg (108%)98.31%View
Guangzhou AoyuFreedom Diagnostics2026-02-1430 mg34.97 mg (117%)99.834%View
LMRJanoshik2026-02-1330 mg––View (image)
LMRJanoshik2026-02-1360 mg––View (image)
PeptideJFTJanoshik2026-02-12–––View (image)
PeptideJFTJanoshik2026-02-12–––View (image)
BFF ChemJanoshik2026-02-11–32.55 mg99.88%View
BfflinkJanoshik2026-02-1130 mg32.55 mg (109%)99.88%View
Bfflist AMOJanoshik2026-02-1130 mg32.55 mg (109%)99.88%View
Risynth BioKovera Labs2026-02-1140 mg––View (image)
BFF ChemJanoshik2026-02-09–––View (image)
BfflinkJanoshik2026-02-09–––View (image)
Bfflist AMOJanoshik2026-02-09–––View (image)
BFF ChemJanoshik2026-02-06–58.98 mg99.815%View
BfflinkJanoshik2026-02-06–58.98 mg99.815%View
Bfflist AMOJanoshik2026-02-06–58.98 mg99.815%View
PepLab SolutionsHorizon Analytical2026-01-2730 mg30.28 mg (101%)99.02%View
Amino EssenceCOA concernsBTLabs2026-01-2620 mg––View (image)
BFF ChemJanoshik2026-01-26–61.27 mg99.878%View
BFF ChemJanoshik2026-01-2660 mg––View (image)
BfflinkJanoshik2026-01-26–––View (image)
BfflinkJanoshik2026-01-26–61.27 mg99.878%View
Bfflist AMOJanoshik2026-01-26–––View (image)
Bfflist AMOJanoshik2026-01-26–61.27 mg99.878%View
Amino EssenceCOA concernsAnalytical Formulations2026-01-2330 mg––View (image)
Kits4lessJanoshik2026-01-135 mg––View (image)
BFF ChemJanoshik2026-01-08–62.2 mg99.882%View
BfflinkJanoshik2026-01-08–62.2 mg99.882%View
Bfflist AMOJanoshik2026-01-08–62.2 mg99.882%View
EZ PeptidesFreedom Diagnostics2026-01-0860 mg69.65 mg (116%)99.879%View
BFF ChemJanoshik2026-01-0760 mg60.37 mg (101%)99.847%View
BfflinkJanoshik2026-01-0760 mg60.37 mg (101%)99.847%View
Bfflist AMOJanoshik2026-01-0760 mg60.37 mg (101%)99.847%View
Aavant ResearchJanoshik2026-01-06–33.97 mg99.684%View
BFF ChemJanoshik2026-01-02–57.79 mg99.836%View
BfflinkJanoshik2026-01-0260 mg57.79 mg (96%)99.836%View
Bfflist AMOJanoshik2026-01-0260 mg57.79 mg (96%)99.836%View
Vera ResearchTrustPointe Analytics2025-12-3030 mg31.57 mg (105%)99.69%View
LN Peptides–2025-12-1960 mg––View (image)
BFF ChemJanoshik2025-12-1860 mg58.47 mg (97%)99.799%View
BfflinkJanoshik2025-12-1860 mg58.47 mg (97%)99.799%View
Bfflist AMOJanoshik2025-12-1860 mg58.47 mg (97%)99.799%View
GLP Keep Body PeptideCOA concernsBTLabs2025-12-1560 mg––View (image)
EZ PeptidesTrustPointe Analytics2025-12-1210 mg12.126 mg (121%)99.603%View
EZ PeptidesTrustPointe Analytics2025-12-1215 mg17.79 mg (119%)99.742%View
Kits4lessJanoshik2025-12-1130 mg––View (image)
PeptideJFTJanoshik2025-12-1030 mg––View (image)
PeptidologyVanguard Laboratory2025-12-0930 mg30.5 mg (102%)99.8%View
BFF ChemJanoshik2025-12-08–29.92 mg99.857%View
BfflinkJanoshik2025-12-08–29.92 mg99.857%View
Bfflist AMOJanoshik2025-12-08–29.92 mg99.857%View
Aavant ResearchTrustPointe Analytics2025-12-03–29.628 mg99.787%View
Aavant ResearchTrustPointe Analytics2025-12-03–62.454 mg99.875%View
EZ PeptidesTrustPointe Analytics2025-12-03100 mg108.26 mg (108%)99.831%View
Peptides For LessJanoshik2025-12-0360 mg–99.808%View
Chimera PeptidesJanoshik2025-11-2530 mg––View (image)
Pure Tested PeptidesKrause Analytical2025-11-2510 mg9.58 mg (96%)98.96%View
PugPepsCOA concernsJanoshik2025-11-20120 mg––View (image)
Shenzhen Aurora BiotechnologyJanoshik2025-11-2030 mg––View (image)
Shenzhen Aurora BiotechnologyJanoshik2025-11-2060 mg––View (image)
RetaOne LabsVanguard Laboratory2025-11-1930 mg33.04 mg (110%)99.88%View
LN Peptides–2025-11-0430 mg––View (image)
Pura PeptidesFreedom Diagnostics2025-10-3130 mg––View (image)
BFF ChemJanoshik2025-10-29–22.09 mg99.766%View
BfflinkJanoshik2025-10-29–22.09 mg99.766%View
Bfflist AMOJanoshik2025-10-29–22.09 mg99.766%View
BFF ChemJanoshik2025-10-23–41.12 mg99.214%View
BfflinkJanoshik2025-10-23–41.12 mg99.214%View
Bfflist AMOJanoshik2025-10-23–41.12 mg99.214%View
NextechLabsVanguard Laboratory2025-10-2310 mg––View (image)
Flycn PeptideJanoshik2025-10-15–––View (image)
Medi PeptideJanoshik2025-10-1530 mg––View (image)
Alpha PeptidesFreedom Diagnostics2025-10-1430 mg31.94 mg (106%)99.986%View
RetaOne LabsVanguard Laboratory2025-10-1330 mg31.96 mg (107%)99.8%View
Pharma Grade PeptidesJanoshik2025-10-0910 mg––View (image)
EZ PeptidesTrustPointe Analytics2025-10-0330 mg36.81 mg (123%)99.764%View
Shanghai ERP peptide BiotechnologyCOA concernsJanoshik2025-10-0115 mg––View (image)
Shanghai ERP peptide BiotechnologyCOA concernsJanoshik2025-10-0160 mg––View (image)
Lotus BioJanoshik2025-105 mg–99.31%View
RetaOne LabsChromate2025-09-2460 mg69.44 mg (116%)99.872%View
Peptide HavenFreedom Diagnostics2025-09-2310 mg11.66 mg (117%)99.958%View
Peptide HavenFreedom Diagnostics2025-09-2330 mg34.33 mg (114%)99.746%View
Peptide HavenFreedom Diagnostics2025-09-2360 mg63.07 mg (105%)99.909%View
Huaian Dinglin TradingJanoshik2025-09-1860 mg––View (image)
Huaian Dinglin TradingJanoshik2025-09-1830 mg––View (image)
PeptideJFTJanoshik2025-09-1130 mg––View (image)
PeptiSlimJanoshik2025-09-0910 mg––View (image)
LMRJanoshik2025-09-0410 mg––View (image)
Risynth BioKrause Analytical2025-09-0430 mg––View (image)
Risynth BioChromate2025-09-0120 mg––View (image)
GLP Keep Body PeptideCOA concernsJanoshik2025-08-2515 mg––View (image)
HealthTide BiotechJanoshik2025-08-0860 mg––View (image)
HealthTide BiotechJanoshik2025-08-0530 mg––View (image)
Aavant ResearchJanoshik2025-08-01–30.2 mg99.857%View
Allen Biotechnology Co ABCJanoshik2025-07-3030 mg2.05 mg (7%)99.5%View
Pura PeptidesFreedom Diagnostics2025-07-1830 mg34.66 mg (116%)99.85%View
LipeptidesJanoshik2025-07-0830 mg––View (image)
LipeptidesJanoshik2025-07-0860 mg––View (image)
PeptiSlimJanoshik2025-07-0830 mg––View (image)
PeptiSlimJanoshik2025-07-0860 mg––View (image)
LMRJanoshik2025-07-0730 mg––View (image)
LMRJanoshik2025-07-0760 mg––View (image)
Wuhan Newtop BiotechJanoshik2025-07-0430 mg––View (image)
Xianhong Tong XHT PeptidesCOA concernsChromate2025-07-0110 mg––View (image)
Zen PeptidesJanoshik2025-06-2320 mg––View (image)
Zen PeptidesJanoshik2025-06-2020 mg––View (image)
Rayshine Peptide BiochemicalsJanoshik2025-06-0930 mg––View (image)
Rayshine Peptide BiochemicalsJanoshik2025-06-0530 mg––View (image)
Trusted PeptideVanguard Laboratory2025-05-0210 mg10.35 mg (103%)99.7%View
OupeptideJanoshik2025-04-2830 mg––View (image)
Amino AmigosTrustPointe Analytics2025-04-2145 mg44.442 mg (99%)99.881%View
UWA Elite PeptidesJanoshik2025-03-1160 mg––View (image)
UWA Elite PeptidesJanoshik2025-03-1030 mg––View (image)
UWA Elite PeptidesJanoshik2025-03-1030 mg––View (image)
Amino AmigosMZ Biolabs2025-01-2740 mg54.6 mg (137%)99.83%View
Amino AmigosTrustPointe Analytics2025-01-1820 mg22.42 mg (112%)99.592%View
Dragon PharmaAnaliza Bialek2025-01-175 mg5.16 mg (103%)99%View
Peptide-SCOA concernsChromate2025-01-1530 mg––View (image)
Peptide-SCOA concernsChromate2025-01-1530 mg––View (image)
UWA Elite PeptidesJanoshik2024-11-0730 mg––View (image)
Xianhong Tong XHT PeptidesCOA concerns–2024-11-02–––View (image)
Vera ResearchJanoshik2024-10-2730 mg––View (image)
Vera ResearchJanoshik2024-10-1630 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 Tirzepatide prices and lab-verified vendors.