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

Glutathione 99.8% Purity — Protide HealthCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.773%
Dose vs label -4.2% Essentially at label
Evidence Source archived
Test date
2026-03-02
Testing lab
Freedom Diagnostics
Batch / lot
PH-GLU1500620
Quantity
1437.11 mg
label 1500mg · tested 1437.11 mg
Endotoxins
Assay method
HPLC + MS
Label dose
1500mg
Context

How this result compares

This Glutathione certificate's tested purity of 99.77% ranks higher than 55% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-03-02 by Freedom Diagnostics via HPLC + MS. This test is newer than 48% of our catalogued Glutathione certificates.

Protide Health has 227 certificates in our corpus, including 8 for Glutathione at a median tested purity of 99.70%.

Manufacturer
Protide Health
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
1500mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:45adb8f69da60008… — immutable copy held by TitrateLab

Download the saved PDF (sha256 45adb8f69da6…)
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This certificate is part of TitrateLab's community-trust corpus. See more from Protide Health or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →