TitrateLab · Certificate of Analysis

Glutathione 99.5% Purity — Step One VenturesCertificate of Analysis · Independent third-party lab result

Tested purity 99.5% High purity · 99.49%
Dose vs label -1.2% Essentially at label
Evidence Source archived Blend
Test date
2026-04-09
Testing lab
Freedom Diagnostics
Batch / lot
NP040526S1V
Quantity
1482.36 mg
label 1500mg · tested 1482.36 mg
Endotoxins
Assay method
HPLC + MS
Label dose
1500mg
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 2026-04-09 by Freedom Diagnostics via HPLC + MS. This test is newer than 54% of our catalogued Glutathione certificates.

Step One Ventures has 60 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.49%.

Manufacturer
Step One Ventures
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:b21cf064c4acd417… — immutable copy held by TitrateLab

Download the saved PDF (sha256 b21cf064c4ac…)
Related

Other Glutathione certificates

This certificate is part of TitrateLab's community-trust corpus. See more from Step One Ventures or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →