What Is L-Glutathione? Identity and Research Context

L-Glutathione is searched by name far more often than it is explained accurately. This overview keeps to what can be stated plainly and checked against public records: what L-Glutathione is as a molecule, and the research field it belongs to. It does not make claims about what it does.

What L-Glutathione is

L-Glutathione is a tripeptide, gamma-L-glutamyl-L-cysteinyl-glycine, found in virtually all living cells. Its identity is publicly checkable: PubChem CID 124886, CAS 70-18-8, molecular formula C10H17N3O6S, and an average molecular weight of about 307 g/mol.

What research areas is L-Glutathione associated with?

Because glutathione is a central cellular thiol, in the scientific literature it is discussed within redox biology and the study of cellular thiol metabolism, part of the broader field of biochemistry. That names the research area the molecule sits in; it is not a statement about any effect, result, dose, or use. Naming a field of study is not the same as making a claim.

Why we describe it this way

Most pages selling a compound like this lead with what it supposedly does. We do not: these products are sold strictly for laboratory research, so outcome and use claims are not appropriate, and what actually separates suppliers is whether the material is what the label says. That is a documentation question, and we answer it in public with a third-party certificate for every lot.

Check the lot yourself

Look up any lot on our public register, read our guide on how to read a COA, or see what >98% purity actually means. Browse the product itself: L-Glutathione. More identity guides: NAD+ and GHK-Cu.

References: PubChem CID 124886 and CAS Registry Number 70-18-8 for identity, formula, and molecular weight.

All products are sold strictly for laboratory and research use only, and are not for human or animal consumption.