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All peptides · Semaglutide · COAs

Semaglutide COA & lab test results

141 certificates of analysis published by 71 vendors, newest first.

68with readable numbers
99.76%median purity
112%median measured vs label
17testing labs

Labs: AV Analytics, Accumark Labs, Bioviridian, Chromate, Finnrick Analytics, Forever Young Pharmacy, Freedom Diagnostics, Horizon Analytical, ILS Laboratories, Janoshik, Kovera Labs, Krause Analytical, MZ Biolabs, NST (SNTEK), Prime Analytical Laboratories, TrustPointe Analytics, Vanguard Laboratory.

VendorLabDateLabelMeasuredPurity
Polaris PeptidesAccumark Labs2026-10-015 mg6.99 mg (140%)99.62%View
Pure Peptide LabsKovera Labs2026-10-0110 mg9.93 mg (99%)99.653%View
Polaris PeptidesAccumark Labs2026-09-302 mg2.94 mg (147%)99.84%View
Valor peptidesAccumark Labs2026-09-3010 mg12.535 mg (125%)99.968%View
Prime PeptidesFreedom Diagnostics2026-09-1820 mg19.29 mg (96%)99.7%View
PeptidologyVanguard Laboratory2026-09-0930 mg34.22 mg (114%)99.55%View
PeptidologyVanguard Laboratory2026-09-0920 mg22.52 mg (113%)99.43%View
Peptide Group Buy PGBJanoshik2026-09-075 mg5.95 mg (119%)99.6%View
Crush ResearchILS Laboratories2026-09-0620 mg20.76 mg (104%)99.38%View
Ion PeptideFreedom Diagnostics2026-09-055 mg5.22 mg (104%)99.91%View
The Naughty NeedleFreedom Diagnostics2026-08-2810 mg12.04 mg (120%)99.39%View
Bulk Peptide SupplyCOA concernsAV Analytics2026-08-2720 mg21.32 mg (107%)99.75%View
Amplified AminoJanoshik2026-08-265 mg5.5 mg (110%)99.798%View
Elite Research USAFreedom Diagnostics2026-08-2610 mg11.69 mg (117%)99.8%View
Elite Research USAFreedom Diagnostics2026-08-2615 mg15.84 mg (106%)99.79%View
Elite Research USAFreedom Diagnostics2026-08-2620 mg19.56 mg (98%)99.97%View
NexaphJanoshik2026-08-265 mg5.5 mg (110%)99.8%View
Crush ResearchILS Laboratories2026-08-2410 mg10.39 mg (104%)99.17%View
Peptide CraftersAccumark Labs2026-08-1120 mg23.94 mg (120%)99.89%View
Pure Peptide LabsFreedom Diagnostics2026-08-115 mg6.35 mg (127%)99.85%View
Pure Peptide LabsFreedom Diagnostics2026-08-0815 mg17.04 mg (114%)99.88%View
Mai PeptideFreedom Diagnostics2026-08-0510 mg11.32 mg (113%)99.86%View
Prime PeptidesFreedom Diagnostics2026-08-0515 mg17.5 mg (117%)99.83%View
Prime PeptidesFreedom Diagnostics2026-08-0510 mg11.43 mg (114%)99.91%View
EZ PeptidesKovera Labs2026-08-045 mg5.12 mg (102%)99.669%View
Alpha-GenFreedom Diagnostics2026-07-3120 mg19.78 mg (99%)99.95%View
PeptidologyVanguard Laboratory2026-07-2910 mg9.9 mg (99%)99.51%View
Qingdao Sigma Chemical QSC–2026-07-2920 mg––View (image)
Orbitrex PeptidesFreedom Diagnostics2026-07-2510 mg12.33 mg (123%)99.77%View
Kits4lessJanoshik2026-07-245 mg––View (image)
Amplified AminoJanoshik2026-07-2310 mg11.38 mg (114%)99.679%View
BioPrecise LLCCOA concernsFinnrick Analytics2026-07-2310 mg–99.9%View
NexaphJanoshik2026-07-2310 mg11.38 mg (114%)99.68%View
Alpha-GenBioviridian2026-07-2110 mg––View (image)
Peptide CraftersAccumark Labs2026-07-215 mg6.43 mg (129%)99.9%View
Alpha BioMed–2026-07-1320 mg––View (image)
Alpha BioMed–2026-07-1320 mg––View (image)
PeptidologyVanguard Laboratory2026-07-125 mg5.01 mg (100%)99.79%View
EZ PeptidesILS Laboratories2026-07-0910 mg10.65 mg (107%)99.77%View
Hydro ResearchILS Laboratories2026-07-0810 mg10.64 mg (106%)99.76%View
Hydro ResearchILS Laboratories2026-07-085 mg5.13 mg (103%)99.47%View
NuLife PeptidesFreedom Diagnostics2026-07-0330 mg30.79 mg (103%)99.89%View
Amplified AminoJanoshik2026-07-025 mg5.6 mg (112%)99.754%View
NexaphJanoshik2026-07-025 mg5.6 mg (112%)99.75%View
Liberty Peptides–2026-07-0110 mg–99.38%View
Loti LabsBioviridian2026-06-295 mg––View (image)
Peptide CraftersAccumark Labs2026-06-2910 mg12.64 mg (126%)99.65%View
Alpha BioMed–2026-06-172 mg––View (image)
Peptide PartnersTrustPointe Analytics2026-06-12–11.44 mg99.965%View
Certified PeptidesVanguard Laboratory2026-06-115 mg4.66 mg (93%)99.8%View
Kits4lessJanoshik2026-06-045 mg––View (image)
Longevity ProsJanoshik2026-05-18–––View (image)
Longevity ProsJanoshik2026-05-18–––View (image)
Qingdao Sigma Chemical QSC–2026-05-1830 mg––View (image)
Simple PeptideFreedom Diagnostics2026-05-1410 mg12.51 mg (125%)99.91%View
Bluebonnet PeptidesKrause Analytical2026-04-215 mg5.15 mg (103%)99.9%View
Planet PeptideFreedom Diagnostics2026-04-1810 mg11.54 mg (115%)99.73%View
EZ PeptidesFreedom Diagnostics2026-04-1620 mg24.61 mg (123%)99.75%View
Prime PeptidesAccumark Labs2026-03-315 mg5.96 mg (119%)99.41%View
EZ PeptidesHorizon Analytical2026-03-2710 mg9.82 mg (98%)99.49%View
Prime PeptidesVanguard Laboratory2026-03-255 mg5.51 mg (110%)99.02%View
Novabio ResearchCOA concernsNST (SNTEK)2026-03-22–––View (image)
Orbitrex Peptides–2026-03-1920 mg23.49 mg (117%)99.83%View
Orbitrex PeptidesFreedom Diagnostics2026-03-0510 mg12.41 mg (124%)98.98%View
Kits4lessJanoshik2026-03-0210 mg––View (image)
RetaOne LabsVanguard Laboratory2026-02-2710 mg9.56 mg (96%)99.76%View
RetaOne LabsVanguard Laboratory2026-02-2720 mg19.4 mg (97%)99.31%View
Sigma PeptidesPrime Analytical Laboratories2026-02-255 mg––View (image)
Sigma PeptidesPrime Analytical Laboratories2026-02-2510 mg––View (image)
EZ PeptidesFreedom Diagnostics2026-02-2120 mg26.39 mg (132%)99.803%View
PepLab SolutionsHorizon Analytical2026-02-0210 mg10.12 mg (101%)99.56%View
EZ PeptidesFreedom Diagnostics2026-01-155 mg6.18 mg (124%)99.831%View
Kits4lessJanoshik2026-01-132 mg––View (image)
Orbitrex Peptides–2026-01-0510 mg11.22 mg (112%)99.8%View
Orbitrex Peptides–2026-01-0520 mg21.88 mg (109%)99.73%View
Vera ResearchTrustPointe Analytics2025-12-305 mg5.91 mg (118%)99.5%View
Vera ResearchTrustPointe Analytics2025-12-3010 mg11.76 mg (118%)99.83%View
Orbitrex PeptidesTrustPointe Analytics2025-10-1220 mg21.933 mg (110%)99.616%View
Pharma Grade PeptidesJanoshik2025-10-0910 mg––View (image)
Aura PeptidesCOA concernsVanguard Laboratory2025-09-16–––View (image)
Peptide HealthsKrause Analytical2025-09-0410 mg––View (image)
Peptide HealthsKrause Analytical2025-09-0420 mg––View (image)
Risynth BioKrause Analytical2025-09-0410 mg––View (image)
HealthTide BiotechJanoshik2025-08-205 mg––View (image)
HealthTide BiotechJanoshik2025-08-0910 mg––View (image)
LipeptidesJanoshik2025-07-0810 mg––View (image)
PeptiSlimJanoshik2025-07-0810 mg––View (image)
LMRJanoshik2025-07-0710 mg––View (image)
Wuhan Newtop BiotechJanoshik2025-07-0410 mg––View (image)
Rayshine Peptide BiochemicalsJanoshik2025-06-0910 mg––View (image)
Rayshine Peptide BiochemicalsJanoshik2025-06-0510 mg––View (image)
Trusted PeptideVanguard Laboratory2025-05-0210 mg10.25 mg (102%)99.73%View
UWA Elite PeptidesJanoshik2025-03-1110 mg––View (image)
Bulk Peptide WholesaleChromate2024-12-1710 mg––View (image)
Peptide-SCOA concernsChromate2024-11-055 mg––View (image)
Vera ResearchJanoshik2024-10-275 mg––View (image)
Vera ResearchJanoshik2024-10-165 mg––View (image)
Vera ResearchJanoshik2024-10-1610 mg––View (image)
Vera ResearchJanoshik2024-10-1310 mg––View (image)
Amino AmigosMZ Biolabs2024-07-1010 mg12.74 mg (127%)99.9%View
Amino AmigosMZ Biolabs2024-07-105 mg7.65 mg (153%)99.87%View
Amino AmigosMZ Biolabs2024-03-205 mg5.15 mg (103%)99.73%View
Amino AmigosMZ Biolabs2024-02-1210 mg10.55 mg (106%)99.65%View
Amino AmigosMZ Biolabs2024-01-165 mg4.65 mg (93%)99.9%View
Allen Biotechnology Co ABCJanoshik–30 mg––View (image)
Allen Biotechnology Co ABCJanoshik–10 mg––View (image)
Andy Peps StudioJanoshik–30 mg––View (image)
Andy Peps StudioJanoshik–10 mg––View (image)
Andy Peps StudioJanoshik–10 mg––View (image)
Andy Peps StudioJanoshik–10 mg––View (image)
Apollo Peptide SciencesJanoshik–15 mg––View (image)
Apollo Peptide SciencesJanoshik–10 mg––View (image)
Apollo Peptide SciencesJanoshik–5 mg––View (image)
Apollo Peptide SciencesJanoshik–10 mg––View (image)
BeiBangAnJanoshik–20 mg––View (image)
Dragon Pharma––5 mg––View (image)
Emlin BioScience Exchange––10 mg––View (image)
Eros PeptidesFreedom Diagnostics–30 mg––View (image)
Eros PeptidesJanoshik–20 mg––View (image)
Hangzhou Youngpeptide Biotechnology HYBJanoshik–20 mg––View (image)
Jinan Elitepeptide Chemical JEC JCEJanoshik–15 mg––View (image)
NextechLabsILS Laboratories––––View (image)
NextechLabsVanguard Laboratory–5 mg––View (image)
OupeptideJanoshik–15 mg––View (image)
Penguin Peptides––5 mg––View (image)
Penguin Peptides––10 mg––View (image)
Penguin Peptides––20 mg––View (image)
Penguin Peptides––30 mg––View (image)
Penguin Peptides––10 mg––View (image)
Platinum CryoChromate–5 mg––View (image)
Platinum CryoChromate–10 mg––View (image)
Platinum CryoChromate–15 mg––View (image)
Pura PeptidesFreedom Diagnostics–20 mg––View (image)
Shanghai Sigma Audley SSAJanoshik–30 mg––View (image)
Shanghai Wibson Biotechnology WBSJanoshik–20 mg––View (image)
Shanghai Wibson Biotechnology WBSJanoshik–10 mg––View (image)
Tianjin Finder Chemical TFCJanoshik–30 mg––View (image)
Tianjin Finder Chemical TFCJanoshik–10 mg––View (image)
UWA Elite PeptidesForever Young Pharmacy–20 mg––View (image)
Xianhong Tong XHT PeptidesCOA concerns–––––View (image)
YuanSense TechJanoshik–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 Semaglutide prices and lab-verified vendors.