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

Glutathione 99.5% Purity — Great Basin BioMaterialsCertificate of Analysis · Independent third-party lab result

Tested purity 99.5% High purity · 99.49%
Dose vs label +1.8% Essentially at label
Evidence Source archived
Test date
2026-05-03
Testing lab
Freedom Diagnostics
Batch / lot
GBBM-GLT-025
Quantity
611.01 mg
label 600mg · tested 611.01 mg
Endotoxins
Assay method
HPLC + MS
Label dose
600mg
Context

How this result compares

This Glutathione certificate's tested purity of 99.49% ranks higher than 21% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-05-03 by Freedom Diagnostics via HPLC + MS. This test is newer than 63% of our catalogued Glutathione certificates.

Great Basin BioMaterials has 12 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.49%.

Manufacturer
Great Basin BioMaterials
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

sha256:3dc46384cd772394… — immutable copy held by TitrateLab

Download the saved PDF (sha256 3dc46384cd77…)
Related

Other Glutathione certificates

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