L-carnitine COA — Verified Certificate of Analysis Results
13 independent third-party certificates of analysis for L-carnitine, from 1 labs across 3 vendors (2025-02-11 to 2026-01-17).
Every L-carnitine 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 L-carnitine certs in our corpus.
13
Certificates
1
Independent labs
99.2%
Median tested purity
50%
Within 10% of label dose
↑ 0%
Overdosed (≥ +7% vs label)
↓ 50%
Underdosed (≤ −7% vs label)
Verified L-carnitine certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Unknown vendor (review) | 99.436% | +2.2% | Freedom Diagnostics | 2026-01-17 | View COA → |
| Unknown vendor (review) | 99.14% | — | Freedom Diagnostics | 2025-11-16 | View COA → |
| Jett Labs | 97.734% | — | Freedom Diagnostics | 2025-10-12 | View COA → |
| Unknown vendor (review) | 99.819% | — | Freedom Diagnostics | 2025-10-07 | View COA → |
| Unknown vendor (review) | 99.115% | -84.0% | Freedom Diagnostics | 2025-10-01 | View COA → |
| Unknown vendor (review) | 97.957% | — | Freedom Diagnostics | 2025-09-30 | View COA → |
| Unknown vendor (review) | 99.625% | — | Freedom Diagnostics | 2025-09-17 | View COA → |
| Unknown vendor (review) | 99.88% | — | Freedom Diagnostics | 2025-08-26 | View COA → |
| Unknown vendor (review) | 99.62% | — | Freedom Diagnostics | 2025-08-23 | View COA → |
| Unknown vendor (review) | 95.48% | — | Freedom Diagnostics | 2025-08-20 | View COA → |
| Unknown vendor (review) | 99.18% | — | Freedom Diagnostics | 2025-08-15 | View COA → |
| Unknown vendor (review) | 97.0% | — | Freedom Diagnostics | 2025-08-12 | View COA → |
| Peptide Technologies | 99.7% | — | Freedom Diagnostics | 2025-02-11 | View COA → |