Glutathione 99.1% Purity — LEARSICertificate of Analysis · Independent third-party lab result

Name: Glutathione COA — LEARSI (99.2% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.1% High purity · 99.147%

Dose vs label 1200mg · tested 1200mg

Evidence URL referenced

Test date: 2026-03-28
Testing lab: Freedom Diagnostics
Batch / lot: GLU12000326L
Quantity: 1200mg
Endotoxins: —
Assay method: HPLC + MS

Context

How this result compares

This Glutathione certificate's tested purity of 99.15% ranks higher than 7% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-03-28 by Freedom Diagnostics via HPLC + MS. This test is newer than 50% of our catalogued Glutathione certificates.

LEARSI has 23 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.15%.

Manufacturer

LEARSI

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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
Catalogued: 2026-07-04

Other Glutathione certificates

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