All Glutathione Certificate of Analysis results— 401 COAs
TitrateLab · Certificate of Analysis

Glutathione 99.8% Purity — TDF LabCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.78%
Dose vs label 1129.82 mg · tested 1129.82 mg
Evidence Source archived
Test date
2025-09-09
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
1129.82 mg
Endotoxins
Assay method
HPLC + MS
Context

How this result compares

This Glutathione certificate's tested purity of 99.78% ranks higher than 55% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2025-09-09 by Freedom Diagnostics via HPLC + MS. This test is newer than 6% of our catalogued Glutathione certificates.

TDF Lab has 1 certificate in our corpus, including 1 for Glutathione at a median tested purity of 99.78%.

Manufacturer
TDF Lab
View vendor profile
Source

Freedom Diagnostic

Source archived

We 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.

Method
HPLC + MS
Test type
freedom_composite
Catalogued
2026-07-04
Saved source

Saved source document

sha256:33a4de4e3fb0a8cb… — immutable copy held by TitrateLab

Download the saved PDF (sha256 33a4de4e3fb0…)
Related

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This certificate is part of TitrateLab's community-trust corpus. See more from TDF Lab or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →