Description

⚠️ LABORATORY RESEARCH USE ONLY — NOT FOR HUMAN OR ANIMAL CONSUMPTION
This product is supplied exclusively for in vitro and laboratory research by qualified personnel. It is not approved by the FDA for any clinical, therapeutic, diagnostic, cosmetic, dietary, or veterinary application.

Glutathione (reduced, GSH)

Glutathione is a naturally occurring tripeptide (γ-Glu-Cys-Gly) and the principal low-molecular-weight thiol antioxidant in mammalian cells. It is a standard laboratory reagent in redox biology, detoxification-enzyme assays, and oxidative-stress research, and serves as a substrate for glutathione peroxidase, glutathione reductase, and glutathione S-transferase assay systems. Supplied as a lyophilized powder, 600 mg per vial.

Product Specifications

Product Name	Glutathione (reduced)
CAS Number	70-18-8
Sequence	γ-L-Glutamyl-L-cysteinyl-glycine
Molecular Formula	C₁₀H₁₇N₃O₆S
Molecular Weight	≈307.3 g/mol
Quantity	600 mg per vial
Form	Lyophilized powder
Purity	≥98% (HPLC); see third-party COA
Classification	Endogenous tripeptide thiol — biochemical research reagent

Mechanistic Background

Through the reactive thiol of its cysteine residue, glutathione directly scavenges reactive oxygen species, regenerates other cellular antioxidants, and forms conjugates with electrophilic compounds, making it a central reagent for probing cellular redox homeostasis.

Research Applications

Glutathione is used across biochemistry, cell biology, and analytical chemistry to investigate:

GSH/GSSG redox-ratio measurements and oxidative-stress assays
Glutathione peroxidase, reductase, and S-transferase enzyme kinetics
Reactive-oxygen-species scavenging and lipid-peroxidation assays
Xenobiotic conjugation and detoxification-pathway models
Cell-culture media supplementation for redox-sensitive systems
Analytical standards for HPLC and LC-MS thiol quantification

Storage & Handling

Store lyophilized material at −20 °C, protected from light and moisture. Allow the vial to reach room temperature before opening. Following reconstitution in a suitable laboratory buffer, store at 2–8 °C and use within the timeframe established by your laboratory’s stability protocols. Avoid repeated freeze–thaw cycles. Handle in accordance with standard laboratory practice for peptide reagents.

Published Literature

Forman HJ, Zhang H, Rinna A. Glutathione: overview of its protective roles, measurement, and biosynthesis. Mol Aspects Med. 2009;30(1–2):1–12.
Lu SC. Glutathione synthesis. Biochim Biophys Acta. 2013;1830(5):3143–3153.

Research Use Only Statement

Glutathione (reduced, GSH) is a chemical reagent supplied solely for laboratory research and analytical purposes. It is not a drug, dietary supplement, cosmetic, food additive, or medical device, and it has not been evaluated by the U.S. Food and Drug Administration. It is not intended to diagnose, treat, cure, or prevent any disease in humans or animals. Peptide Minds is a research chemical supplier and is not a pharmacy, compounding facility, or medical provider. The purchaser is responsible for ensuring the material is handled by trained personnel in accordance with all applicable laws, regulations, and institutional policies.