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

Glutathione 99.9% Purity — NexGen PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.853%
Dose vs label 1553.03 mg · tested 1553.03 mg
Evidence Source archived
Test date
2025-12-18
Testing lab
Freedom Diagnostics
Batch / lot
GLT01
Quantity
1553.03 mg
Endotoxins
Assay method
HPLC + MS
Context

How this result compares

This Glutathione certificate's tested purity of 99.85% ranks higher than 72% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2025-12-18 by Freedom Diagnostics via HPLC + MS. This test is newer than 24% of our catalogued Glutathione certificates.

NexGen Peptides has 107 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.85%.

Manufacturer
NexGen Peptides
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
Catalogued
2026-07-04
Saved source

Saved source document

sha256:6db05336702fb9fe… — immutable copy held by TitrateLab

Download the saved PDF (sha256 6db05336702f…)
Related

Other Glutathione certificates

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