Glutathione COA — Verified Certificate of Analysis Results
528 independent third-party certificates of analysis for Glutathione, from 7 labs across 360 vendors (2023-11-21 to 2026-08-05).
Every Glutathione certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 528 published Glutathione certs in our corpus.
Assay metrics
Glutathione lab-testing metrics
99.7%
Median tested purity
0
Zero-purity certs
Mean purity99.5%
Mean dose vs label+0.5%
Within 10% of label dose90%
Overdosed ≥ +7%10%
Underdosed ≤ −7%8%
COAs per testing lab
Every lab testing Glutathione in the corpus.
Tested-purity distribution
Bins below 90% tested purity.
| Purity range | Certificates |
|---|---|
| 0–50% | 0 |
| 50–70% | 1 |
| 70–80% | 0 |
| 80–85% | 0 |
| 85–90% | 0 |
| 90–91% | 0 |
| 91–92% | 0 |
| 92–93% | 0 |
| 93–94% | 0 |
| 94–95% | 2 |
| 95–96% | 0 |
| 96–97% | 7 |
| 97–98% | 2 |
| 98–99% | 6 |
| 99–100% | 510 |
COAs over time
Glutathione certificates published per month.
| Month | Certificates |
|---|---|
| 2023-11 | 1 |
| 2024-04 | 1 |
| 2024-10 | 1 |
| 2024-12 | 1 |
| 2025-04 | 2 |
| 2025-05 | 5 |
| 2025-06 | 1 |
| 2025-07 | 3 |
| 2025-08 | 8 |
| 2025-09 | 12 |
| 2025-10 | 17 |
| 2025-11 | 32 |
| 2025-12 | 26 |
| 2026-01 | 33 |
| 2026-02 | 46 |
| 2026-03 | 15 |
| 2026-04 | 40 |
| 2026-05 | 59 |
| 2026-06 | 87 |
| 2026-07 | 122 |
| 2026-08 | 16 |
Most-tested vendors
Top 10 of 15 vendors by Glutathione certificate count.
See who tests most — unlock the vendor names with Pro.
+ 5 more vendors with fewer certificates.
Verified Glutathione certificates of analysis
528 records. Zero guesswork.
Unlock the actual vendor, purity, dose accuracy, lab, batch and saved certificate for every Glutathione result.
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