Every DSIP 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 DSIP certs in our corpus.
73
Certificates
3
Independent labs
99.7%
Median tested purity
33%
Within 10% of label dose
Verified DSIP certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Qihang Peptide | 99.105% | +2.0% | Janoshik | 2026-06-15 | View COA → |
| htraresearch.cn | 99.203% | +5.6% | Janoshik | 2026-04-17 | View COA → |
| MMAEK251 | 99.711% | +13.1% | Janoshik | 2026-04-14 | View COA → |
| Uther Peptide | 99.671% | +23.6% | Janoshik | 2026-04-10 | View COA → |
| Homopeptide | 99.038% | +2.0% | Janoshik | 2026-03-19 | View COA → |
| Panda Peptides LLC | 98.147% | +188.8% | Janoshik | 2026-03-06 | View COA → |
| Chameleon Peptides LLC | 98.147% | +188.8% | Janoshik | 2026-03-06 | View COA → |
| Peptide Gurus | 99.015% | +15.7% | Janoshik | 2026-02-26 | View COA → |
| Xcel Peptides | 99.132% | +27.4% | Janoshik | 2026-02-04 | View COA → |
| Uther Peptide | 99.612% | +21.5% | Janoshik | 2026-01-12 | View COA → |
| Uther Peptide | 99.612% | +21.5% | Janoshik | 2026-01-12 | View COA → |
| Verified Peptides | 99.025% | — | Janoshik | 2026-01-05 | View COA → |
| PulsePeptides | 99.48% | — | Janoshik | 2025-12-31 | View COA → |
| zztai Peptide Ltd | 99.011% | +6.0% | Janoshik | 2025-12-19 | View COA → |
| Qingdao Sigma Chemical | 99.015% | +14.9% | Janoshik | 2025-12-15 | View COA → |
| Volk | 99.008% | +7.7% | Janoshik | 2025-12-10 | View COA → |
| EZP | 99.015% | +25.3% | Janoshik | 2025-12-08 | View COA → |
| Nexaph | 99.015% | +25.3% | Janoshik | 2025-12-08 | View COA → |
| ilab pharma | 99.129% | +19.4% | Janoshik | 2025-11-26 | View COA → |
| Qingdao Sigma Chemical | 99.031% | — | Janoshik | 2025-11-25 | View COA → |
| Qingdao Sigma Chemical | 99.051% | +19.4% | Janoshik | 2025-11-25 | View COA → |
| cellpept.eu | 99.223% | +4.6% | Janoshik | 2025-11-14 | View COA → |
| Transforma Peptides | 99.358% | +10.2% | Janoshik | 2025-11-14 | View COA → |
| Moglabs | 99.116% | +1.2% | Janoshik | 2025-11-12 | View COA → |
| cs@ruo.bio | 99.116% | +1.2% | Janoshik | 2025-11-12 | View COA → |
| Guangzhou Jeep Biotechnology Jeep | 99.002% | +21.4% | Janoshik | 2025-11-11 | View COA → |
| https://newwavepeptides.co.uk | 99.577% | +29.2% | Janoshik | 2025-10-31 | View COA → |
| 303peptides.com | 99.627% | — | Janoshik | 2025-10-30 | View COA → |
| Kensingtonlabs.co.uk | 99.47% | +8.2% | Janoshik | 2025-10-07 | View COA → |
| PGB | 99.718% | +20.8% | Janoshik | 2025-09-30 | View COA → |
| PGB | 99.774% | +56.8% | Janoshik | 2025-09-30 | View COA → |
| Honest Peptide | 99.798% | +33.2% | Janoshik | 2025-09-29 | View COA → |
| Hangzhou Youngpeptide Biotechnology Hyb | 99.945% | +16.7% | Janoshik | 2025-09-29 | View COA → |
| Modern Research LLC | 99.653% | — | Janoshik | 2025-09-29 | View COA → |
| Hangzhou Youngpeptide Biotechnology Hyb | 99.945% | +16.7% | Janoshik | 2025-09-29 | View COA → |
| Xcel Peptides | 99.727% | +43.6% | Janoshik | 2025-09-24 | View COA → |
| Shanghai Sigma Audley Ssa | 99.763% | +18.0% | Janoshik | 2025-09-22 | View COA → |
| Shanghai Sigma Audley Ssa | 99.728% | +16.8% | Janoshik | 2025-09-22 | View COA → |
| Uther Peptide | 99.856% | +27.4% | Janoshik | 2025-09-16 | View COA → |
| AMP | 99.829% | +29.2% | Janoshik | 2025-09-12 | View COA → |
| Nanjing Xiyuxun Technology Xyx | 99.932% | +34.2% | Janoshik | 2025-09-11 | View COA → |
| Tydes | 99.867% | +3.8% | Janoshik | 2025-09-02 | View COA → |
| Uther Pharmaceutical | 99.463% | +7.4% | Janoshik | 2025-07-30 | View COA → |
| Verified Peptides | 99.823% | +12.4% | Janoshik | 2025-07-28 | View COA → |
| Tydes | 99.786% | +15.2% | Janoshik | 2025-07-22 | View COA → |
| Edge Peptides | 99.747% | +10.6% | Janoshik | 2025-07-18 | View COA → |
| EZP | 99.736% | +13.6% | Janoshik | 2025-07-04 | View COA → |
| Eternal Peptides | 99.944% | +7.0% | Janoshik | 2025-06-30 | View COA → |
| www.ywaozuo.com | 99.713% | -11.6% | Janoshik | 2025-05-15 | View COA → |
| www.qinglishangmao.com | 99.713% | -11.6% | Janoshik | 2025-05-15 | View COA → |
| Verified Peptides | 99.846% | — | Janoshik | 2025-04-28 | View COA → |
| Sry Labs | 99.579% | -17.6% | Janoshik | 2025-04-18 | View COA → |
| anya@shsry.com.cn | 99.905% | +24.6% | Janoshik | 2025-04-03 | View COA → |
| PGB | 99.832% | +14.0% | Janoshik | 2025-04-02 | View COA → |
| Eros Labs | 99.936% | +12.2% | Janoshik | 2025-03-24 | View COA → |
| Modern Research LLC | 99.816% | +5.6% | Janoshik | 2025-03-19 | View COA → |
| Sigma Audley | 99.943% | +4.2% | Janoshik | 2025-03-04 | View COA → |
| Shanghai Sigma Audley Ssa | 99.14% | +8.2% | SR BIO LABS | 2025-02-28 | View COA → |
| Life Link Research | 99.925% | -7.6% | Janoshik | 2025-02-26 | View COA → |
| Nanjing Xiyuxun Technology Xyx | 99.938% | +11.6% | Janoshik | 2025-01-31 | View COA → |
Showing the 60 most recent of 73 DSIP certificates.