Tamoxifen COA — Verified Certificate of Analysis Results
18 independent third-party certificates of analysis for Tamoxifen, from 1 labs across 15 vendors (2019-08-24 to 2025-10-13).
Every Tamoxifen certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 18 published Tamoxifen certs in our corpus.
18
Certificates
1
Independent labs
97.4%
Median tested purity
75%
Within 10% of label dose
↑ 25%
Overdosed (≥ +7% vs label)
↓ 12%
Underdosed (≤ −7% vs label)
Verified Tamoxifen certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| ADVARPHARMA DK | — | -8.4% | Janoshik | 2025-10-13 | View COA → |
| Nova China | 97.43% | — | Janoshik | 2025-07-31 | View COA → |
| Prime Pharmaceuticals | — | +3.3% | Janoshik | 2025-01-29 | View COA → |
| F40 Biotech | — | -7.0% | Janoshik | 2025-01-07 | View COA → |
| Sigma Audley | — | +4.5% | Janoshik | 2024-09-12 | View COA → |
| Generopharm - Kits4Less.com | — | -2.9% | Janoshik | 2024-08-16 | View COA → |
| Pharmaqo Labs | — | +1.3% | Janoshik | 2024-02-01 | View COA → |
| GENLABS | — | -4.0% | Janoshik | 2023-08-16 | View COA → |
| FORZA PHARMA | — | +0.2% | Janoshik | 2023-05-05 | View COA → |
| (unknown) | — | +90.9% | Janoshik | 2023-03-14 | View COA → |
| Prime Pharmaceuticals | — | -6.5% | Janoshik | 2023-03-04 | View COA → |
| Beligas pharmacy | — | +18.7% | Janoshik | 2023-01-04 | View COA → |
| Beligas pharmacy | — | +58.4% | Janoshik | 2022-08-05 | View COA → |
| onlythebestaas.com | 96.0% | — | Janoshik | 2021-05-21 | View COA → |
| PHARMAQO | — | -3.8% | Janoshik | 2021-02-19 | View COA → |
| PARA PHARMA | — | +10.3% | Janoshik | 2021-02-11 | View COA → |
| PARA PHARMA | — | +2.0% | Janoshik | 2021-01-08 | View COA → |
| Anonymous | — | +4.4% | Janoshik | 2019-08-24 | View COA → |