Trust the Data. Not the Source.
| Vendor / Client | Tests | Best Purity | Latest Test |
|---|---|---|---|
| Shanghai Senria Tech | 5 | 99.94% | 02 OCT 2025 |
| Walker Chemicals (WKC) | 3 | 99.72% | 31 DEC 2025 |
| Sigma Audley | 2 | 99.98% | 23 OCT 2025 |
| Shanghai Fushida Chemical | 2 | 99.87% | 24 JUL 2025 |
| Orbitrex Peptides | 2 | 99.99% | 07 OCT 2025 |
| utherpeptide.com | 2 | N/A | 19 JAN 2026 |
| Penguin Peptide | 1 | 99.97% | 25 AUG 2025 |
| Purus Peptides | 1 | 99.84% | 09 OCT 2025 |
| liuquanqun@gmail.com | 1 | 99.64% | 03 NOV 2025 |
| uwa-biotech | 1 | 99.87% | 19 DEC 2025 |
| Coastal Peptides | 1 | 99.94% | 10/01/25 |
| Edge Peptides | 1 | 99.99% | 26 MAY 2025 |
| Uther | 1 | 99.95% | 08 APR 2025 |
| Amino Lair | 1 | 99.07% | 13 JAN 2026 |
| HK Peptide Ltd | 1 | 99.85% | 22 DEC 2025 |
| Orbitrex Peptide | 1 | 99.30% | 07 OCT 2025 |
| Alpha & Omega Peptide | 1 | 99.31% | 2025-07-05 |
| Peptide Pole HongKong | 1 | 99.50% | 11 DEC 2025 |
| crystalpeptides.eu | 1 | 99.41% | 08 DEC 2025 |
| RetaEU.nl | 1 | 99.77% | 07 JAN 2026 |
| Nexaph | 1 | 99.80% | 20 OCT 2025 |
| ERP | 1 | N/A | 30 SEP 2025 |
| cellpept.eu | 1 | 99.86% | 14 NOV 2025 |
| www.oupeptide.com | 1 | N/A | 11 DEC 2025 |
| https://lejianbiotech-peptide.com | 1 | N/A | 02 DEC 2025 |
| Biolongevity Labs | 1 | N/A | 15 JUL 2025 |
| Boris Boot info@rcpeptides.nl | 1 | 99.90% | 10 OCT 2025 |
| G | 1 | 99.47% | 30 DEC 2025 |
| alex.barn001@gmail.com | 1 | 99.83% | 26 JAN 2026 |
| Homopeptide.com | 1 | 99.34% | 30 JAN 2026 |