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Testagen COA & lab test results
4 certificates of analysis published by 4 vendors, newest first.
1with readable numbers
99.53%median purity
109%median measured vs label
2testing labs
Labs: BioRegen, Janoshik.
| Vendor | Lab | Date | Label | Measured | Purity | |
|---|---|---|---|---|---|---|
| Amino Usa | BioRegen | 2026-07-03 | 20 mg | 21.7 mg (109%) | 99.53% | View |
| Qingdao Sigma Chemical QSC | – | 2026-05-18 | 20 mg | – | – | View (image) |
| Eros Peptides | Janoshik | – | 20 mg | – | – | View (image) |
| Shanghai Sigma Audley SSA | Janoshik | – | 20 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 Testagen prices and lab-verified vendors.