TitrateLab · Certificate of Analysis

Glutathione 99.6% Purity — Protide HealthCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.58%
Dose vs label -2.8% Essentially at label
Evidence Source archived Blend
Test date
2026-05-18
Testing lab
Freedom Diagnostics
Batch / lot
PH-glu15001123
Quantity
1457.96 mg
label 1500mg · tested 1457.96 mg
Endotoxins
Assay method
HPLC + MS
Label dose
1500mg
Context

How this result compares

This Glutathione certificate's tested purity of 99.58% ranks higher than 27% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-05-18 by Freedom Diagnostics via HPLC + MS. This test is newer than 70% 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

sha256:4f614d0afcd30983… — immutable copy held by TitrateLab

Download the saved PDF (sha256 4f614d0afcd3…)
Related

Other Glutathione certificates

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 →