All peptides · Mazdutide · COAs
Mazdutide COA & lab test results
4 certificates of analysis published by 4 vendors, newest first.
3with readable numbers
99.87%median purity
113%median measured vs label
2testing labs
Labs: Ethos Analytics, Janoshik.
| Vendor | Lab | Date | Label | Measured | Purity | |
|---|---|---|---|---|---|---|
| Glacier Aminos | Ethos Analytics | 2026-09-09 | 10 mg | 10.32 mg (103%) | – | View |
| Peptide Group Buy PGB | Janoshik | 2025-12-02 | 12 mg | 13.58 mg (113%) | 99.87% | View |
| Aavant Research | Janoshik | 2025-11-25 | – | 4.67 mg | 99.152% | View |
| Pharma Grade Peptides | Janoshik | 2025-10-12 | 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 Mazdutide prices and lab-verified vendors.