Testosterone COA — Verified Certificate of Analysis Results
5 independent third-party certificates of analysis for Testosterone, from 1 labs across 3 vendors (2020-06-22 to 2026-01-26).
Every Testosterone certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 5 published Testosterone certs in our corpus.
Assay metrics
Testosterone lab-testing metrics
93.7%
Median tested purity
0
Zero-purity certs
Mean purity94.1%
COAs per testing lab
Every lab testing Testosterone in the corpus.
Tested-purity distribution
Bins below 90% tested purity.
| Purity range | Certificates |
|---|---|
| 0–50% | 0 |
| 50–70% | 0 |
| 70–80% | 0 |
| 80–85% | 0 |
| 85–90% | 1 |
| 90–91% | 0 |
| 91–92% | 1 |
| 92–93% | 0 |
| 93–94% | 1 |
| 94–95% | 0 |
| 95–96% | 0 |
| 96–97% | 0 |
| 97–98% | 0 |
| 98–99% | 0 |
| 99–100% | 2 |
COAs over time
Testosterone certificates published per month.
| Month | Certificates |
|---|---|
| 2020-06 | 1 |
| 2023-05 | 1 |
| 2024-10 | 1 |
| 2025-08 | 1 |
| 2026-01 | 1 |
Most-tested vendors
Vendors by Testosterone certificate count.
See who tests most — unlock the vendor names with Pro.
Verified Testosterone certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| — | 85.84% | — | Janoshik | 2026-01-26 | View COA → |
| Nova China | 91.48% | — | Janoshik | 2025-08-05 | View COA → |
| ASTERA LABS | 100.0% | — | Janoshik | 2024-10-14 | View COA → |
| DEUS MEDICAL | 93.68% | — | Janoshik | 2023-05-26 | View COA → |
| DEUS MEDICAL | 99.46% | — | Janoshik | 2020-06-22 | View COA → |