Trust the Data. Not the Source.
| Vendor / Client | Tests | Best Purity | Latest Test |
|---|---|---|---|
| MandyBio | 2 | 99.26% | 01 DEC 2025 |
| utherpeptide.com | 2 | N/A | 20 JAN 2026 |
| Steeler | 1 | N/A | 28 NOV 2025 |
| Homopeptide.com | 1 | 94.74% | 07 JAN 2026 |
| Alpha BioPharma | 1 | 95.98% | 07 JAN 2026 |
| Crystal Peptides | 1 | 95.18% | 07 JAN 2026 |
| ERP | 1 | 97.09% | 05 NOV 2025 |
| D. Coine | 1 | 97.46% | 25 NOV 2025 |
| VCJJ800GLYN | 1 | 98.00% | 27 JAN 2026 |
| Tianjin Cangtu | 1 | 97.04% | 10 NOV 2025 |