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

Glutathione 99.9% Purity — US Precision HealthCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.93%
Dose vs label -1.6% Essentially at label
Evidence Source archived
Test date
2026-04-19
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
1475.46 mg
label 1500mg · tested 1475.46 mg
Endotoxins
Assay method
HPLC + MS
Label dose
1500mg
Context

How this result compares

This Glutathione certificate's tested purity of 99.93% ranks higher than 91% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-04-19 by Freedom Diagnostics via HPLC + MS. This test is newer than 58% of our catalogued Glutathione certificates.

US Precision Health has 24 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.93%.

Manufacturer
US Precision 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

sha256:132ffb921d13adf7… — immutable copy held by TitrateLab

Download the saved PDF (sha256 132ffb921d13…)
Related

Other Glutathione certificates

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