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

Glutathione 99.7% Purity — Alpha 1 PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.72%
Dose vs label -5.7% Under the labeled dose
Evidence Source archived
Test date
2026-05-14
Testing lab
Freedom Diagnostics
Batch / lot
ZL65042
Quantity
565.65 mg
label 600mg · tested 565.65 mg
Endotoxins
Assay method
HPLC + MS
Label dose
600mg
Context

How this result compares

This Glutathione certificate's tested purity of 99.72% ranks higher than 45% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-05-14 by Freedom Diagnostics via HPLC + MS. This test is newer than 68% of our catalogued Glutathione certificates.

Alpha 1 Peptides has 21 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.72%.

Manufacturer
Alpha 1 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
Dose
600mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:01af163a644c1326… — immutable copy held by TitrateLab

Download the saved PDF (sha256 01af163a644c…)
Related

Other Glutathione certificates

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This certificate is part of TitrateLab's community-trust corpus. See more from Alpha 1 Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →