Testagen COA — Verified Certificate of Analysis Results
30 independent third-party certificates of analysis for Testagen, from 2 labs across 8 vendors (2025-04-09 to 2026-07-02).
Every Testagen certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 30 published Testagen certs in our corpus.
30
Certificates
2
Independent labs
99.7%
Median tested purity
48%
Within 10% of label dose
↑ 52%
Overdosed (≥ +7% vs label)
↓ 12%
Underdosed (≤ −7% vs label)
Verified Testagen certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Unknown vendor (review) | 99.87% | +19.4% | Freedom Diagnostics | 2026-07-02 | View COA → |
| Unknown vendor (review) | 99.84% | +6.2% | Freedom Diagnostics | 2026-06-25 | View COA → |
| Unknown vendor (review) | 99.85% | — | Freedom Diagnostics | 2026-06-15 | View COA → |
| Unknown vendor (review) | 99.48% | +4.3% | Freedom Diagnostics | 2026-06-10 | View COA → |
| Unknown vendor (review) | 99.2% | +7.6% | Freedom Diagnostics | 2026-06-08 | View COA → |
| Unknown vendor (review) | 99.9% | +13.4% | Freedom Diagnostics | 2026-05-30 | View COA → |
| Unknown vendor (review) | 99.52% | -2.6% | Freedom Diagnostics | 2026-05-14 | View COA → |
| Unknown vendor (review) | 99.91% | -0.2% | Freedom Diagnostics | 2026-04-14 | View COA → |
| Unknown vendor (review) | 99.8% | -6.9% | Freedom Diagnostics | 2026-04-14 | View COA → |
| Unknown vendor (review) | 99.57% | +5.0% | Freedom Diagnostics | 2026-03-15 | View COA → |
| Unknown vendor (review) | 99.37% | -10.8% | Freedom Diagnostics | 2026-03-10 | View COA → |
| Modern Aminos | 99.53% | +10.8% | Freedom Diagnostics | 2026-03-10 | View COA → |
| Unknown vendor (review) | 99.541% | +38.8% | Freedom Diagnostics | 2026-02-17 | View COA → |
| Somachems | 99.154% | — | Freedom Diagnostics | 2026-02-16 | View COA → |
| Unknown vendor (review) | 99.154% | — | Freedom Diagnostics | 2026-02-16 | View COA → |
| Unknown vendor (review) | 99.154% | — | Freedom Diagnostics | 2026-02-16 | View COA → |
| Unknown vendor (review) | 99.457% | -2.2% | Freedom Diagnostics | 2026-02-07 | View COA → |
| Unknown vendor (review) | 99.076% | +15.2% | Freedom Diagnostics | 2026-01-29 | View COA → |
| Unknown vendor (review) | 99.737% | -15.8% | Freedom Diagnostics | 2026-01-18 | View COA → |
| Unknown vendor (review) | 99.88% | — | Freedom Diagnostics | 2026-01-16 | View COA → |
| Unknown vendor (review) | 99.9% | +23.1% | Freedom Diagnostics | 2025-12-19 | View COA → |
| Xcel Peptides | 99.799% | +41.9% | Janoshik | 2025-12-18 | View COA → |
| Unknown vendor (review) | 99.817% | -6.2% | Freedom Diagnostics | 2025-12-11 | View COA → |
| Peptide Technologies | 99.221% | -7.5% | Freedom Diagnostics | 2025-11-21 | View COA → |
| Pura Peptides | 99.847% | +42.1% | Freedom Diagnostics | 2025-11-14 | View COA → |
| cocerpeptides.com | 99.576% | +11.1% | Janoshik | 2025-10-20 | View COA → |
| Unknown vendor (review) | 99.716% | +1.1% | Freedom Diagnostics | 2025-09-21 | View COA → |
| Pura Peptides | 99.84% | +7.1% | Freedom Diagnostics | 2025-07-26 | View COA → |
| Xcel Peptides | 99.701% | +20.0% | Janoshik | 2025-04-24 | View COA → |
| Uther Pharmaceutical | 99.832% | +14.2% | Janoshik | 2025-04-09 | View COA → |