Search peptides — top sellers first
Search peptides — top sellers first
Search peptides — top sellers first
The cell's master antioxidant, studied for tissue protection
$99/ 1,500mg vial
$49.50 per vial with Buy 1, Get 1 Free
Buy 1, Get 1 Free — add 2 to cart, applied automatically
In stock
Frequently bought together
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Certificate of analysis
We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.
Purity by HPLC-UV
99.31%
Contaminant screens
Accurate Lab Tests
Independent analytical lab
Certificate of Analysis
RESULT · PASS
L-Glutathione 1,500mg
HPLC purity
99.31%
Pass · Meets spec
Tested
20 Aug 2026(26 days ago)
HPLC-UV + LC-MS
Analytical results
HPLC Chromatogram
Main peak 99.31% · other 0.69%
Alex JohnsonPrincipal Chemist
Authentichain
The process
Four steps, every lot. The certificate is published before the vial ships.
Made in a controlled facility
Documented, repeatable steps for every batch.
Purity tested
An outside lab measures it and reports the exact number.
Identity confirmed
A second test proves it is what the label says.
Live
Accurate Lab Tests
99.31%
Purity by HPLC-UV
Report published
Signed, filed by lot number, and public before the vial ships.
Researchers study L-Glutathione as acting through three distinct routes inside the cell.
It's studied for directly neutralizing reactive oxygen species — the unstable molecules that damage cell components under stress.
It's investigated for binding to toxins and chemical byproducts so cells can package and clear them, a route explored in liver-injury models.
It cycles between reduced and oxidized forms, and researchers track that ratio as a marker of a cell's overall oxidative state.
For research use only. Mechanisms described reflect published preclinical and clinical literature.
Anyone can show you one good report. Here is every batch of L-Glutathione we have ever released, newest first, each with its own signed report. Nothing hidden, nothing cherry-picked.
Published findings on this compound, each linked to its source. Animal and lab results are context, not claims about this product.
Published research on the reference compound class. Provided for scientific context only. Not a claim about the product supplied.
Each lot of this research-grade L-glutathione assayed at 99% or higher purity by HPLC-UV, with identity confirmed by LC-MS and endotoxin screening.
HPLC-UV purity
Identity confirmed by LC-MS; endotoxin screened
In rats given the liver toxin carbon tetrachloride, antioxidant support was associated with less hepatic damage than in untreated controls.
Directional — relative hepatic damage, no exact figure reported
In heat-stressed boars, antioxidant and zinc supplementation was linked to reduced heat-induced damage in reproductive tissue compared with unsupplemented animals.
Directional — relative heat-induced tissue damage
Quick answers about L-Glutathione.
Test any batch at any lab you like. If it doesn't match our report, you get every dollar back. No return shipping, no forms, no arguments.
