99% purityGlutathione
£20.00Endogenous thiol tripeptide
For laboratory research use only — not for human consumption.
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Glutathione (γ-L-glutamyl-L-cysteinylglycine) is a tripeptide of glutamate, cysteine and glycine, and the principal non-protein thiol found in mammalian cells. Supplied as a 1500 mg lyophilized powder for preclinical research only — not for human use.
The cysteine thiol of glutathione acts as a reducing equivalent, cycling between reduced (GSH) and oxidised (GSSG) forms. In cultured cell models it serves as a cofactor for glutathione peroxidase and glutathione S-transferase, and participates in the detoxification of reactive oxygen species and in protein thiol homeostasis. GSH/GSSG ratios are widely measured as an in vitro index of cellular redox state.
Handling & storage
- General storage: Store away from direct sunlight, keep in cool dry conditions.
- Long-term storage (lyophilised powder): -20 °C
- Temperature cycling: Avoid repeated freeze–thaw cycles; aliquot before freezing.
Allow the sealed vial to reach room temperature before opening to prevent condensation.