Every ARA-290 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 29 published ARA-290 certs in our corpus.
29
Certificates
2
Independent labs
99.6%
Median tested purity
74%
Within 10% of label dose
Verified ARA-290 certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Peptide Gurus | 99.728% | +0.4% | Janoshik | 2026-06-10 | View COA → |
| Uther Peptide | 99.629% | +17.9% | Janoshik | 2026-04-14 | View COA → |
| MKM Peptides | 98.881% | -25.4% | Janoshik | 2026-04-10 | View COA → |
| Growth Guys Canada | 99.872% | — | Janoshik | 2026-03-30 | View COA → |
| Qingdao Sigma Chemical | 99.822% | — | Janoshik | 2026-02-27 | View COA → |
| Qingdao Sigma Chemical | 99.822% | +10.0% | Janoshik | 2026-02-27 | View COA → |
| Uther Peptide | 86.222% | +1.8% | Janoshik | 2026-02-16 | View COA → |
| Xcel Peptides | 99.636% | +0.0% | Janoshik | 2026-02-04 | View COA → |
| ilab pharma | 99.504% | +10.9% | Janoshik | 2025-12-22 | View COA → |
| OU | 99.514% | +0.0% | Janoshik | 2025-12-10 | View COA → |
| Peptide Gurus | 99.828% | +0.0% | Janoshik | 2025-12-10 | View COA → |
| 303peptides.com | 99.029% | +0.0% | Janoshik | 2025-12-04 | View COA → |
| Peptide Powerhouse | 99.587% | +0.0% | Janoshik | 2025-11-15 | View COA → |
| Transforma Peptides | 99.587% | +0.0% | Janoshik | 2025-11-14 | View COA → |
| Verified Peptides | 99.134% | +30.3% | Janoshik | 2025-10-06 | View COA → |
| Nexaph | 99.178% | +0.1% | Janoshik | 2025-09-30 | View COA → |
| Uther Peptide | 99.437% | +0.0% | Janoshik | 2025-09-26 | View COA → |
| Edge Peptides | 99.296% | -7.5% | Janoshik | 2025-08-29 | View COA → |
| EZP | 99.699% | +0.0% | Janoshik | 2025-08-19 | View COA → |
| Modern Research LLC | 99.704% | +0.0% | Janoshik | 2025-08-08 | View COA → |
| Edge Peptides | 99.523% | +0.0% | Janoshik | 2025-07-31 | View COA → |
| Tydes | 99.653% | — | Janoshik | 2025-07-04 | View COA → |
| Bulk Peptide Supply | 99.716% | +0.0% | Janoshik | 2025-05-07 | View COA → |
| Verified Peptides | 99.827% | +39.5% | Janoshik | 2025-03-20 | View COA → |
| Sigma Audley | 99.93% | -2.6% | Janoshik | 2025-03-03 | View COA → |
| Peptide Crafters | 99.137% | — | Janoshik | 2025-01-07 | View COA → |
| Peptide Crafters | 99.596% | — | Janoshik | 2024-09-26 | View COA → |
| Peptide Crafters | 99.398% | — | Janoshik | 2024-09-10 | View COA → |
| Qingdao Sigma Chemical | 99.626% | +11.0% | Janoshik | 2024-07-29 | View COA → |