Glutathione 99.2% Purity — Optimum Source ResearchCertificate of Analysis · Independent third-party lab result
- Test date
- 2026-03-20
- Testing lab
- Freedom Diagnostics
- Batch / lot
- GTT-092525-01
- Quantity
- 1500mg
- Endotoxins
- —
- Assay method
- HPLC + MS
- Label dose
- 1500mg
How this result compares
This Glutathione certificate's tested purity of 99.22% ranks higher than 10% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).
Tested 2026-03-20 by Freedom Diagnostics via HPLC + MS. This test is newer than 50% of our catalogued Glutathione certificates.
Optimum Source Research has 14 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.22%.
Freedom Diagnostic
Source archivedWe archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.
Saved source document
sha256:b40e0b58d6ba4ebf…
— immutable copy held by TitrateLab