Every KPV certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 73 published KPV certs in our corpus.
73
Certificates
6
Independent labs
99.6%
Median tested purity
23%
Within 10% of label dose
Verified KPV certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Gooddaisy2004 | 98.919% | +9.4% | Janoshik | 2026-06-23 | View COA → |
| crystalpeptides.eu | 99.168% | +1.8% | Janoshik | 2026-05-26 | View COA → |
| www.keruihk.com | 99.002% | +10.7% | Janoshik | 2026-05-25 | View COA → |
| Longevity Pro Labs | 99.122% | — | Janoshik | 2026-05-14 | View COA → |
| Walker Chemicals (WKC) | 99.135% | — | Janoshik | 2026-04-20 | View COA → |
| (unknown) | 99.159% | +27.9% | Janoshik | 2026-04-13 | View COA → |
| Top Peptide | 99.246% | +19.5% | Unknown | 2026-04-10 | View COA → |
| — | 99.246% | +19.5% | Janoshik | 2026-04-10 | View COA → |
| Uther Peptide | 99.416% | +33.4% | Janoshik | 2026-04-10 | View COA → |
| MKM Peptides | 98.373% | +16.4% | Janoshik | 2026-04-09 | View COA → |
| Top Peptide | 99.246% | +19.5% | Janoshik | 2026-04-08 | View COA → |
| Qingdao Sigma Chemical | 99.029% | +21.2% | Janoshik | 2026-03-25 | View COA → |
| Hk Peptides | 99.225% | +28.8% | Janoshik | 2026-03-16 | View COA → |
| Chameleon Peptides LLC | 99.216% | +24.4% | Janoshik | 2026-03-06 | View COA → |
| Panda Peptides LLC | 99.216% | +24.4% | Janoshik | 2026-03-06 | View COA → |
| EZP | 99.199% | +18.7% | Janoshik | 2026-03-05 | View COA → |
| AMP | 99.199% | +18.7% | Janoshik | 2026-03-05 | View COA → |
| EZP | 99.36% | +34.7% | Janoshik | 2026-02-16 | View COA → |
| https://newwavepeptides.co.uk | 99.704% | +26.3% | Janoshik | 2026-02-13 | View COA → |
| Allen Biotechnology Co Abc | 99.397% | — | Janoshik | 2026-02-13 | View COA → |
| Allen Biotechnology Co Abc | 99.397% | — | Janoshik | 2026-02-13 | View COA → |
| Allen Biotechnology Co Abc | 99.427% | — | Janoshik | 2026-02-13 | View COA → |
| Cglpeptide10 | 99.589% | +21.9% | Janoshik | 2026-02-04 | View COA → |
| Vital Edge Science | 99.675% | +14.0% | Janoshik | 2026-01-26 | View COA → |
| Barn | — | +14.6% | Janoshik | 2026-01-23 | View COA → |
| Xcel Peptides | 99.907% | +5.1% | Janoshik | 2026-01-09 | View COA → |
| — | 99.102% | +12.1% | Janoshik | 2026-01-07 | View COA → |
| Verified Peptides | 99.863% | — | Janoshik | 2026-01-05 | View COA → |
| (unknown) | 99.882% | +27.0% | Janoshik | 2025-12-23 | View COA → |
| EZP | 99.619% | +9.2% | Janoshik | 2025-12-22 | View COA → |
| Nexaph | 99.619% | +9.2% | Janoshik | 2025-12-22 | View COA → |
| HM PEPTIDE | 98.592% | +3.8% | Janoshik | 2025-12-12 | View COA → |
| LS Testing | 99.21% | +13.3% | Janoshik | 2025-12-08 | View COA → |
| Janoshik | 99.672% | +17.2% | Janoshik | 2025-12-01 | View COA → |
| www.innopeptide.com | 99.689% | +4.7% | Janoshik | 2025-11-24 | View COA → |
| (unknown) | 99.752% | +14.1% | Janoshik | 2025-11-24 | View COA → |
| Transforma Peptides | 98.908% | -6.7% | Janoshik | 2025-11-14 | View COA → |
| Peptide Powerhouse | 98.908% | -6.7% | Janoshik | 2025-11-14 | View COA → |
| (unknown) | 99.443% | — | Janoshik | 2025-11-12 | View COA → |
| Verified Peptides | 99.731% | — | Janoshik | 2025-10-24 | View COA → |
| Eternal Peptides | 99.508% | +14.3% | Janoshik | 2025-10-21 | View COA → |
| 303peptides.com | 99.491% | +14.9% | Janoshik | 2025-10-09 | View COA → |
| Uther Peptide | 99.491% | +14.9% | Janoshik | 2025-10-08 | View COA → |
| Edge Peptides | 99.851% | +29.9% | Janoshik | 2025-09-25 | View COA → |
| Anonymous | 99.574% | -43.8% | Janoshik | 2025-09-12 | View COA → |
| Peptira | 99.803% | -14.5% | Janoshik | 2025-08-28 | View COA → |
| Penguin Peptides | 99.746% | +22.6% | Janoshik | 2025-08-25 | View COA → |
| ameanopeptides.com | 99.781% | +52.0% | Janoshik | 2025-08-19 | View COA → |
| EZP | 99.781% | +52.0% | Janoshik | 2025-08-19 | View COA → |
| Shanghai Sigma Audley Ssa | 99.898% | +34.3% | Janoshik | 2025-08-07 | View COA → |
| Shanghai Sigma Audley Ssa | 99.756% | +45.9% | Janoshik | 2025-08-07 | View COA → |
| Peptira | 99.409% | +17.9% | Janoshik | 2025-07-16 | View COA → |
| Xcel Peptides | 99.74% | +28.4% | Janoshik | 2025-07-04 | View COA → |
| Verified Peptides | 99.773% | — | Janoshik | 2025-07-04 | View COA → |
| Sry Labs | 99.46% | +11.5% | Janoshik | 2025-07-04 | View COA → |
| Sry Labs | 99.257% | +13.0% | Janoshik | 2025-07-04 | View COA → |
| Uther Pharmaceutical | 99.935% | +16.3% | Janoshik | 2025-07-01 | View COA → |
| Xcel Peptides | 99.813% | +12.6% | Janoshik | 2025-05-30 | View COA → |
| zztai-tech.com | 99.924% | +19.2% | Janoshik | 2025-05-28 | View COA → |
| Andy Peps Studio | 99.216% | -11.2% | Janoshik | 2025-05-28 | View COA → |
Showing the 60 most recent of 73 KPV certificates.