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All peptides · TB-500 · COAs

TB-500 COA & lab test results

144 certificates of analysis published by 100 vendors, newest first.

58with readable numbers
99.505%median purity
106%median measured vs label
20testing labs

Labs: AV Analytics, Accumark Labs, Analytical Formulations, BTLabs, Bioviridian, Chromate, Ethos Analytics, Forever Young Pharmacy, Freedom Diagnostics, Horizon Analytical, ILS Laboratories, Janoshik, Kovera Labs, Krause Analytical, Lingke Bio-Detection, MDx BioAnalytical Laboratory, Prime Analytical Laboratories, Qorix Labs (Tianjin), Sonic Laboratories, Vanguard Laboratory.

VendorLabDateLabelMeasuredPurity
Peptide PartnersChromate2026-09-23––99.21%View
Above All PeptidesFreedom Diagnostics2026-09-1910 mg8.96 mg (90%)99.51%View
Peptide PartnersChromate2026-09-17––99.19%View
Shanghai Leader Peptide BiotechnologyCOA concernsFreedom Diagnostics2026-09-1710 mg10.23 mg (102%)99.36%View
SPBFreedom Diagnostics2026-09-1110 mg12.9 mg (129%)99.23%View
PeptidologyVanguard Laboratory2026-09-0910 mg10.8 mg (108%)99.5%View
Shanghai Leader Peptide BiotechnologyCOA concernsQorix Labs (Tianjin)2026-09-065 mg–99.27%View
Ion PeptideFreedom Diagnostics2026-09-0520 mg23.6 mg (118%)99.42%View
Swiss ChemsFreedom Diagnostics2026-09-045 mg4.77 mg (95%)99.08%View
LumiraCOA concernsBTLabs2026-09-0310 mg10.2 mg (102%)99.6%View
NextGen HealthILS Laboratories2026-09-0320 mg20.78 mg (104%)99.83%View
Domestic PepsFreedom Diagnostics2026-09-0110 mg11.85 mg (119%)99.8%View
PX PeptidesJanoshik2026-0910 mg–99.984%View
Bulk Peptide SupplyCOA concernsAV Analytics2026-08-2710 mg10.14 mg (101%)99.81%View
Pharma Grade PeptidesJanoshik2026-08-2710 mg––View (image)
Amplified AminoJanoshik2026-08-2610 mg10.98 mg (110%)98.938%View
NexaphJanoshik2026-08-2610 mg10.98 mg (110%)98.94%View
My Pure PeptideJanoshik2026-08-2410 mg11.54 mg (115%)99.007%View
NextGen HealthILS Laboratories2026-08-1820 mg20.68 mg (103%)99.89%View
Orbitrex PeptidesFreedom Diagnostics2026-08-1510 mg13.21 mg (132%)99.69%View
NextGen HealthILS Laboratories2026-08-1410 mg10.26 mg (103%)99.84%View
LumiraCOA concernsBTLabs2026-08-1310 mg8.6 mg (86%)99.5%View
Bulk Peptide SupplyCOA concernsSonic Laboratories2026-08-0810 mg10.46 mg (105%)99.21%View
Amplified AminoJanoshik2026-08-0610 mg10.93 mg (109%)99.938%View
NexaphJanoshik2026-08-0610 mg10.93 mg (109%)99.94%View
Mai PeptideFreedom Diagnostics2026-08-0510 mg12.09 mg (121%)99.21%View
PepLab SolutionsKovera Labs2026-08-0310 mg10.47 mg (105%)99.474%View
Certified Peptides–2026-07-3110 mg––View (image)
Qingdao Sigma Chemical QSC–2026-07-295 mg––View (image)
Glacier AminosEthos Analytics2026-07-2710 mg10.21 mg (102%)–View
Hangzhou Mandy BiotechnologyJanoshik2026-07-2510 mg––View (image)
Orbitrex PeptidesFreedom Diagnostics2026-07-2510 mg11.11 mg (111%)99.11%View
Kits4lessJanoshik2026-07-2410 mg––View (image)
PeptagonAccumark Labs2026-07-2410 mg9.88 mg (99%)99.81%View
Novabio ResearchCOA concernsVanguard Laboratory2026-07-22–––View (image)
Novabio ResearchCOA concernsVanguard Laboratory2026-07-22–––View (image)
Novabio ResearchCOA concernsVanguard Laboratory2026-07-22–––View (image)
Skye PeptidesAccumark Labs2026-07-2220 mg23.3 mg (117%)99.828%View
NextGen HealthILS Laboratories2026-07-0810 mg10.58 mg (106%)99.58%View
Paramount PeptidesAccumark Labs2026-07-0810 mg––View (image)
Paramount PeptidesAccumark Labs2026-07-0610 mg––View (image)
Amplified AminoJanoshik2026-07-0210 mg11.38 mg (114%)99.878%View
Liberty PeptidesAccumark Labs2026-07-0110 mg9.38 mg (94%)99.178%View
Loti LabsBioviridian2026-06-295 mg––View (image)
LabRatscoCOA concernsLingke Bio-Detection2026-06-27–––View (image)
Longevity ProsKovera Labs2026-06-26–––View (image)
LumiraCOA concernsKrause Analytical2026-06-2510 mg9.62 mg (96%)96.6%View
Mei PeptideJanoshik2026-06-2210 mg––View (image)
PepturionJanoshik2026-06-22–––View (image)
BioHack LondonJanoshik2026-06-1910 mg10.56 mg (106%)99.102%View
Swiss ChemsJanoshik2026-06-19–––View (image)
Swiss ChemsJanoshik2026-06-18–––View (image)
Swiss ChemsJanoshik2026-06-17–––View (image)
Bluebonnet PeptidesILS Laboratories2026-05-255 mg5.26 mg (105%)99.56%View
Rhome ResearchFreedom Diagnostics2026-05-2010 mg10.92 mg (109%)99.44%View
Huatai PeptideFreedom Diagnostics2026-05-1910 mg10.31 mg (103%)99.53%View
Qingdao Sigma Chemical QSCJanoshik2026-05-1310 mg––View (image)
Qingdao Sigma Chemical QSCJanoshik2026-05-138 mg––View (image)
UtherJanoshik2026-05-1210 mg10.86 mg (109%)99.936%View
NextGen HealthILS Laboratories2026-05-1020 mg21.43 mg (107%)99.87%View
NextGen HealthILS Laboratories2026-05-0610 mg10.5 mg (105%)99.85%View
Epic PeptidesChromate2026-05-0310 mg10.27 mg (103%)99.059%View
Alpha PeptidesAnalytical Formulations2026-05-0110 mg12.09 mg (121%)99.85%View
Junli PeptideCOA concernsJanoshik2026-04-29–––View (image)
My Pure PeptideJanoshik2026-04-2910 mg9.91 mg (99%)99.379%View
Aura PeptidesCOA concernsHorizon Analytical2026-04-23–––View (image)
Planet PeptideFreedom Diagnostics2026-04-2310 mg11.74 mg (117%)99.48%View
SaiyanMedJanoshik2026-04-2110 mg11.3 mg (113%)99.721%View
Regenerative ResearchBTLabs2026-04-1610 mg12.2 mg (122%)99.8%View
TydesJanoshik2026-04-1025 mg–99.8%View
Flycn PeptideJanoshik2026-03-30–––View (image)
Medi PeptideJanoshik2026-03-3010 mg––View (image)
Simple PeptideFreedom Diagnostics2026-03-2115 mg15.15 mg (101%)99.505%View
Nuscience PeptidesFreedom Diagnostics2026-03-2010 mg––View (image)
Sigma PeptidesPrime Analytical Laboratories2026-02-2510 mg––View (image)
Liyu DailyJanoshik2026-02-235 mg––View (image)
PeptiSlimJanoshik2026-02-2310 mg––View (image)
Liyu DailyJanoshik2026-02-195 mg––View (image)
Guangzhou AoyuFreedom Diagnostics2026-02-145 mg6.54 mg (131%)99.513%View
LMRJanoshik2026-02-1310 mg––View (image)
Alpha-GenFreedom Diagnostics2026-02-115 mg6.75 mg (135%)99.228%View
Wolverine PeptidesJanoshik2026-02-11–––View (image)
Licensed PeptidesVanguard Laboratory2026-02-1010 mg10.05 mg (101%)99.8%View
Kits4lessJanoshik2026-01-1310 mg––View (image)
Aavant ResearchJanoshik2025-12-23–10.27 mg99.598%View
Huaian Banting TradingJanoshik2025-09-1810 mg––View (image)
Huaian Dinglin TradingJanoshik2025-09-1810 mg––View (image)
LipeptidesJanoshik2025-07-0810 mg––View (image)
PeptiSlimJanoshik2025-07-0810 mg––View (image)
LMRJanoshik2025-07-0710 mg––View (image)
Lotus BioJanoshik2025-075 mg–99.33%View
Peptides For LessJanoshik2025-05-285 mg–99.428%View
Pure Tested PeptidesJanoshik2025-05-075 mg5.21 mg (104%)99.313%View
Trusted PeptideVanguard Laboratory2025-05-025 mg5.24 mg (105%)99.77%View
Bulk Peptide WholesaleChromate2025-04-0210 mg––View (image)
Allen Biotechnology Co ABCJanoshik–10 mg––View (image)
Andy Peps StudioJanoshik–4 mg––View (image)
Apollo Peptide SciencesJanoshik––––View (image)
Baohua Dongnuo Biotechnology BHDJanoshik–10 mg––View (image)
BarnJanoshik–10 mg––View (image)
BeiBangAnJanoshik––––View (image)
Biolongevity LabsMDx BioAnalytical Laboratory––––View (image)
BioPrecise LLCCOA concerns–––––View (image)
BioPrecise LLCCOA concerns–––––View (image)
Domestic PepsJanoshik–10 mg––View (image)
Domestic PepsJanoshik–10 mg––View (image)
Dragon Pharma––5 mg––View (image)
Eros PeptidesJanoshik–10 mg––View (image)
Eros PeptidesJanoshik–20 mg––View (image)
Guangzhou Jeep Biotechnology JEEPJanoshik–10 mg10.41 mg (104%)98.24%View
HealthTide BiotechForever Young Pharmacy–10 mg––View (image)
HkRoidsCOA concerns––10 mg––View (image)
InjectifyJanoshik––––View (image)
Kerui Peptide HongKongJanoshik–10 mg––View (image)
Kerui Peptide HongKongJanoshik–10 mg––View (image)
Longevity Plan–––––View (image)
Longevity Plan–––––View (image)
LP Peptide––70 mg––View (image)
Modern Aminos––10 mg––View (image)
Nantong Guangyuan Chemical GYCJanoshik–10 mg––View (image)
NextechLabsVanguard Laboratory–10 mg––View (image)
Noble DragonsJanoshik–10 mg––View (image)
Noble DragonsJanoshik–10 mg––View (image)
Penguin Peptides––5 mg––View (image)
Penguin Peptides––10 mg––View (image)
Peptides 4 ResearchMDx BioAnalytical Laboratory–10 mg––View (image)
Peptides 4 ResearchMDx BioAnalytical Laboratory–5 mg––View (image)
Peptronix Bio PTBJanoshik–10 mg––View (image)
Platinum CryoChromate–10 mg––View (image)
Prime PeptidesJanoshik––––View (image)
Prime PeptidesJanoshik––––View (image)
PurePeptides––10 mg––View (image)
Shanghai Sigma Audley SSAJanoshik––––View (image)
Shanghai Sigma Audley SSAJanoshik–10 mg––View (image)
Shanghai Wibson Biotechnology WBSJanoshik–10 mg––View (image)
SPBJanoshik–10 mg––View (image)
Verified Peptides––10 mg––View (image)
Verified Peptides––10 mg––View (image)
Verified Peptides––10 mg––View (image)
Verified Peptides––10 mg––View (image)
Verified Peptides––10 mg––View (image)
WKC Walker ChemicalsJanoshik–10 mg––View (image)
YuanSense TechJanoshik––––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 TB-500 prices and lab-verified vendors.