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

Glutathione 99.7% Purity — OasisResearchCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.69%
Dose vs label -1.7% Essentially at label
Evidence Source archived
Test date
2026-06-12
Testing lab
Freedom Diagnostics
Batch / lot
GTT600-01
Quantity
589.79 mg
label 600mg · tested 589.79 mg
Endotoxins
Assay method
HPLC + MS
Label dose
600mg
Context

How this result compares

This Glutathione certificate's tested purity of 99.69% ranks higher than 40% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-06-12 by Freedom Diagnostics via HPLC + MS. This test is newer than 82% of our catalogued Glutathione certificates.

OasisResearch has 4 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.69%.

Manufacturer
OasisResearch
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
Dose
600mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:bcfbb5064d24f4f2… — immutable copy held by TitrateLab

Download the saved PDF (sha256 bcfbb5064d24…)
Related

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