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All peptides · Thymosin Alpha-1 · COAs

Thymosin Alpha-1 COA & lab test results

41 certificates of analysis published by 37 vendors, newest first.

23with readable numbers
99.631%median purity
106%median measured vs label
13testing labs

Labs: Accumark Labs, BTLabs, BioRegen, Bioviridian, Ethos Analytics, Freedom Diagnostics, ILS Laboratories, Janoshik, MZ Biolabs, NST (SNTEK), Precision Mass Spec, Qorix Labs (Tianjin), Vanguard Laboratory.

VendorLabDateLabelMeasuredPurity
Hydro ResearchILS Laboratories2026-09-2410 mg10.61 mg (106%)99.35%View
Shanghai Leader Peptide BiotechnologyCOA concernsQorix Labs (Tianjin)2026-09-1110 mg–99%View
Peptide Group Buy PGBJanoshik2026-09-0710 mg11.1 mg (111%)99.92%View
Crush ResearchILS Laboratories2026-09-0610 mg10.32 mg (103%)99.61%View
NextGen HealthILS Laboratories2026-09-0310 mg10.51 mg (105%)99.19%View
Gulf Coast AminosFreedom Diagnostics2026-09-0110 mg11.84 mg (118%)99.94%View
Core PeptidesVanguard Laboratory2026-08-215 mg–99.22%View
Orbitrex PeptidesFreedom Diagnostics2026-08-2010 mg10.59 mg (106%)99.94%View
Pure Peptide LabsPrecision Mass Spec2026-08-195 mg5.04 mg (101%)99.28%View
CertaPeptidesJanoshik2026-08-065 mg6.03 mg (121%)99.631%View
Peptide CraftersAccumark Labs2026-07-3010 mg11.5 mg (115%)99.69%View
Loti LabsBioviridian2026-07-2710 mg––View (image)
CertaPeptidesJanoshik2026-07-2410 mg11.15 mg (112%)99.672%View
PeptagonAccumark Labs2026-07-2410 mg11.33 mg (113%)99.608%View
Rhome ResearchFreedom Diagnostics2026-07-1010 mg10.3 mg (103%)99.64%View
Liberty PeptidesAccumark Labs2026-07-0110 mg–99.518%View
Amino UsaBioRegen2026-06-295 mg4.7 mg (94%)99.64%View
Evolve BioPepEthos Analytics2026-06-2010 mg––View (image)
Regenerative ResearchBTLabs2026-05-286 mg6.3 mg (105%)99.8%View
Qingdao Sigma Chemical QSC–2026-05-1810 mg––View (image)
Alpha-GenFreedom Diagnostics2026-05-1410 mg10.14 mg (101%)99.61%View
TydesJanoshik2026-05-0110 mg–99.7%View
Simple PeptideFreedom Diagnostics2026-04-1510 mg11.87 mg (119%)99.65%View
Novabio ResearchCOA concernsNST (SNTEK)2026-03-22–––View (image)
Novabio ResearchCOA concernsNST (SNTEK)2026-03-22–––View (image)
LN Peptides–2026-02-262 mg––View (image)
Liyu DailyJanoshik2026-02-195 mg––View (image)
Guangzhou AoyuFreedom Diagnostics2026-02-145 mg5.28 mg (106%)99.254%View
Shenzhen Aurora BiotechnologyJanoshik2026-02-035 mg––View (image)
Nuscience PeptidesFreedom Diagnostics2026-01-0310 mg13.19 mg (132%)99.665%View
Aura PeptidesCOA concernsVanguard Laboratory2025-09-16–––View (image)
HealthTide BiotechJanoshik2025-07-285 mg––View (image)
BioPrecise LLCCOA concerns––5 mg––View (image)
Domestic PepsJanoshik–10 mg––View (image)
InjectifyJanoshik––––View (image)
Longevity PlanMZ Biolabs–––99.3%View
Longevity Plan–––––View (image)
Modern Aminos––10 mg––View (image)
NextechLabsILS Laboratories––––View (image)
PurePeptides––20 mg––View (image)
PurePeptides––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 Thymosin Alpha-1 prices and lab-verified vendors.