Every Thymulin certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 13 published Thymulin certs in our corpus.
13
Certificates
2
Independent labs
99.8%
Median tested purity
25%
Within 10% of label dose
Verified Thymulin certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Xcel Peptides | 99.836% | +18.1% | Janoshik | 2026-02-05 | View COA → |
| Purus Peptides | 99.501% | +0.0% | Janoshik | 2025-12-01 | View COA → |
| cocrpeptides.com | 99.346% | +25.4% | Janoshik | 2025-10-20 | View COA → |
| Verified Peptides | 99.591% | +0.0% | Janoshik | 2025-06-29 | View COA → |
| PGB | 99.681% | +25.0% | Janoshik | 2025-05-05 | View COA → |
| Modern Research LLC | 99.788% | +25.2% | Janoshik | 2025-04-11 | View COA → |
| Eros Peptides | 99.83% | +26.4% | Janoshik | 2025-03-24 | View COA → |
| Verified Peptides | 99.863% | -19.0% | Janoshik | 2025-02-11 | View COA → |
| Polaris Peptides | 99.972% | — | Janoshik | 2024-12-16 | View COA → |
| Verified Peptides | 99.912% | -18.7% | Janoshik | 2024-08-16 | View COA → |
| Qingdao Sigma Chemical | 99.942% | +37.5% | Janoshik | 2024-07-26 | View COA → |
| PEPTIDES WORLD | 99.859% | +0.0% | Janoshik | 2024-06-24 | View COA → |
| La Casa Del Peptides | 99.977% | +24.4% | Janoshik | 2024-06-10 | View COA → |