Trust the Data. Not the Source.
| Vendor / Client | Tests | Best Purity | Latest Test |
|---|---|---|---|
| XYX | 3 | N/A | 14 MAY 2025 |
| Reta-Peptide | 2 | N/A | 21 NOV 2025 |
| MEI-PEPETIDE | 2 | N/A | 21 NOV 2025 |
| Shanghai Senria Tech | 2 | 99.80% | 01 MAY 2025 |
| Nexaph | 2 | N/A | 31 OCT 2025 |
| Yiwu Changtu | 2 | N/A | 21 NOV 2024 |
| HK Peptide Ltd | 1 | N/A | 26 SEP 2024 |
| zztai Peptide Ltd | 1 | N/A | 02 JUL 2025 |
| Penguin Peptides | 1 | N/A | 28 JUL 2025 |
| Peptira.com | 1 | N/A | 13 AUG 2025 |
| Mandy | 1 | N/A | 28 AUG 2025 |
| Rayshine Peptides | 1 | N/A | 17 SEP 2025 |
| liuquanqun@gmail.com | 1 | N/A | 03 NOV 2025 |
| ZLZ peptides | 1 | N/A | 20 NOV 2025 |
| aurapp.5188@hotmail.com | 1 | N/A | 25 NOV 2025 |
| HGP | 1 | N/A | 25 NOV 2025 |
| Coastal Peptides | 1 | 93.18% | 10/04/25 |
| Edge Peptides | 1 | 96.02% | 19 MAY 2025 |
| Qingdao Sigma Chemical | 1 | N/A | 14 JAN 2025 |
| Sigma Audley | 1 | N/A | 06 MAR 2025 |
| APS | 1 | N/A | 14 MAY 2025 |
| Shanghai Fushida Chemical | 1 | N/A | 23 MAY 2025 |
| o_taco@hotmail.com | 1 | N/A | 19 DEC 2025 |
| Alpha & Omega Peptide | 1 | 99.67% | 2025-08-15 |
| CHP | 1 | N/A | 19 JAN 2026 |
| professorpeptides.org | 1 | N/A | 15 SEP 2025 |
| Homopeptide.com | 1 | N/A | 05 JAN 2026 |
| Peptidegurus | 1 | N/A | 07 JAN 2026 |
| PeptideCritic.com | 1 | N/A | 08 JAN 2026 |
| cellpept.eu | 1 | N/A | 16 OCT 2025 |
| Babak Brady | 1 | 89.33% | 24 DEC 2025 |
| Wholesale | 1 | 99.94% | 06 AUG 2025 |
| PTA | 1 | 99.85% | 09 DEC 2025 |
| Peptide Pole HongKong | 1 | N/A | 11 DEC 2025 |
| Biolongevity Labs | 1 | 99.19% | 09 AUG 2025 |
| BioLongevity Labs | 1 | 98.70% | 29 AUG 2025 |
| NuraPeptide | 1 | 99.80% | 05 SEP 2025 |
| G | 1 | N/A | 02 JAN 2026 |
| Walker Chemicals (WKC) | 1 | N/A | 31 DEC 2025 |