All peptides · Bronchogen · COAs
Bronchogen COA & lab test results
5 certificates of analysis published by 5 vendors, newest first.
4with readable numbers
99.71%median purity
102%median measured vs label
5testing labs
Labs: AV Analytics, BioRegen, Freedom Diagnostics, Janoshik, Vanguard Laboratory.
| Vendor | Lab | Date | Label | Measured | Purity | |
|---|---|---|---|---|---|---|
| Bulk Peptide SupplyCOA concerns | AV Analytics | 2026-09-06 | 20 mg | – | 99.77% | View |
| Ion Peptide | Freedom Diagnostics | 2026-09-05 | 20 mg | 19.93 mg (100%) | 99.4% | View |
| Amino Usa | BioRegen | 2026-09-01 | 20 mg | 20.47 mg (102%) | 99.71% | View |
| Core Peptides | Vanguard Laboratory | 2026-08-21 | 20 mg | – | 99.1% | View |
| Eros Peptides | 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 Bronchogen prices and lab-verified vendors.