All Glutathione Certificate of Analysis results(517 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Wansheng Peptides All Glutathione results & stats

Glutathione 99.8% Purity — Wansheng PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.76%
Dose vs label +4.8% Essentially at label
Evidence URL referenced
Test date
2026-08-02
Testing lab
Freedom Diagnostics
Batch / lot
Black Cap
Quantity
1571.31 mg
label 1500mg · tested 1571.31 mg
Endotoxins
—
Assay method
HPLC + MS
Label dose
1500mg
Context

How this result compares

This Glutathione certificate's tested purity of 99.76% ranks higher than 53% of the 517 Glutathione certificates with a purity result we have catalogued (median 99.75%).

Tested 2026-08-02 by Freedom Diagnostics via HPLC + MS. This is the most recent Glutathione certificate on file.

Manufacturer
Wansheng Peptides
Source

Freedom Diagnostic

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Method
HPLC + MS
Test type
freedom_composite
Dose
1500mg
Catalogued
Aug 5, 2026
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All Glutathione results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Wansheng Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →