L-carnitine COA — Verified Certificate of Analysis Results
13 independent third-party certificates of analysis for L-carnitine, from 1 labs across 12 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.
Assay metrics
L-carnitine lab-testing metrics
99.2%
Median tested purity
0
Zero-purity certs
Mean purity98.7%
Mean dose vs label-40.9%
Within 10% of label dose50%
Overdosed ≥ +7%0%
Underdosed ≤ −7%50%
COAs per testing lab
Every lab testing L-carnitine 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% | 0 |
| 90–91% | 0 |
| 91–92% | 0 |
| 92–93% | 0 |
| 93–94% | 0 |
| 94–95% | 0 |
| 95–96% | 1 |
| 96–97% | 0 |
| 97–98% | 3 |
| 98–99% | 0 |
| 99–100% | 9 |
COAs over time
L-carnitine certificates published per month.
| Month | Certificates |
|---|---|
| 2025-02 | 1 |
| 2025-08 | 5 |
| 2025-09 | 2 |
| 2025-10 | 3 |
| 2025-11 | 1 |
| 2026-01 | 1 |
Most-tested vendors
Top 10 of 12 vendors by L-carnitine certificate count.
See who tests most — unlock the vendor names with Pro.
+ 2 more vendors with fewer certificates.
Verified L-carnitine certificates of analysis
13 records. Zero guesswork.
Unlock the actual vendor, purity, dose accuracy, lab, batch and saved certificate for every L-carnitine result.
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