QSC RESEARCH GRADE
≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SPPS5-Region Domestic Shipping
What is Glutathione?
Glutathione (GSH — gamma-glutamylcysteinylglycine (master antioxidant)) is a 3-amino acid tripeptide (Glu-Cys-Gly). Primary intracellular antioxidant tripeptide. Substrate for glutathione peroxidase (GPx) neutralising H₂O₂ and lipid peroxides, participates in protein glutathionylation redox signalling, conjugates electrophilic xenobiotics via glutathione S-transferase for export, and maintains cellular thiol redox balance via the GSH/GSSG ratio.
Research Applications
Redox Biology
GSH/GSSG ratio, thiol homeostasis, oxidative stress measurement
GPx & Antioxidant Enzymes
Glutathione peroxidase activity, H₂O₂ neutralisation models
Xenobiotic Conjugation
Phase II detoxification, GST activity, cellular export pathways
Glutathionylation
Protein cysteine modification, redox signalling, enzyme regulation
Melanogenesis
Melanin switching (eumelanin↔pheomelanin), skin brightening biology
Quick Specs
| Form | Lyophilized powder |
| Purity | ≥99% by HPLC — every batch |
| CAS Number | 70-18-8 |
| Molecular Formula | C₁₀H₁₇N₃O₆S |
| Peptide Type | Antioxidant Tripeptide / Cellular Redox Modulator |
| Identity | MS molecular weight confirmed — every batch |
| COA | Janoshik-independent, publicly verifiable |
| Manufacture | In-house Fmoc SPPS — Qingdao, China |
| Storage | -20°C sealed | 2–8°C reconstituted (2–4 weeks) |
| Shelf Life | 24 months unopened |




