Trust the Data. Not the Source.
| Vendor / Client | Tests | Best Purity | Latest Test |
|---|---|---|---|
| Peptide Gurus | 2 | 99.98% | 22 NOV 2024 |
| XYX | 2 | 99.81% | 02 DEC 2025 |
| Coastal Peptides | 1 | 99.30% | 08/17/24 |
| Angel Shanghai Chemical | 1 | 99.12% | 28 JAN 2025 |
| Tianjin Cangtu | 1 | 99.07% | 28 FEB 2025 |
| Shanghai Fushida Chemical | 1 | 99.93% | 29 JUL 2025 |
| Qing Li Peptides | 1 | 99.92% | 07 OCT 2025 |
| UNKNOWN | 1 | 99.84% | 03 JAN 2026 |
| info@peptidehackers.com | 1 | 99.78% | 24 JUN 2024 |
| Nexaph | 1 | 99.86% | 03 NOV 2025 |
| utherpeptide.com | 1 | N/A | 20 JAN 2026 |