All Glutathione Certificate of Analysis results— 401 COAs
TitrateLab · Certificate of Analysis
Tested vendor:PoppyPep All Glutathione results & stats

Glutathione 100.0% Purity — PoppyPepCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.95%
Dose vs label +2.1% Essentially at label
Evidence Source archived
Test date
2026-07-01
Testing lab
Freedom Diagnostics
Batch / lot
A1
Quantity
1532.07 mg
label 1500mg · tested 1532.07 mg
Endotoxins
—
Assay method
HPLC + MS
Label dose
1500mg
Context

How this result compares

This Glutathione certificate's tested purity of 99.95% ranks higher than 94% of the 401 Glutathione certificates with a purity result we have catalogued (median 99.74%).

Tested 2026-07-01 by Freedom Diagnostics via HPLC + MS. This test is newer than 97% of our catalogued Glutathione certificates.

PoppyPep has 9 certificates in our corpus, including 1 for Glutathione at a median tested purity of 99.95%.

Manufacturer
PoppyPep
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

sha256:6858b0ef06ee6600… — immutable copy held by TitrateLab

Download the saved PDF (sha256 6858b0ef06ee…)

Download saved source

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99.7% 2026-07-02
Freedom Diagnostics GMR Peptides Glutathione
100.0% 2026-07-02
Freedom Diagnostics G3 Peptides Glutathione
99.7% 2026-07-02
Freedom Diagnostics Excel Aminos Glutathione
99.7% 2026-07-02
Freedom Diagnostics Evergreen Peptides LLC Glutathione
99.8% 2026-07-02
Freedom Diagnostics Shengtai Glutathione
99.8% 2026-07-01
Freedom Diagnostics
All Glutathione results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from PoppyPep or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →