Glutathione is a naturally occurring tripeptide made of three amino acids: glutamate, cysteine, and glycine. It is studied as an antioxidant in research and supplied for research use only.
What Glutathione is
Glutathione is a tripeptide, meaning it is a peptide of just three amino acids. It occurs naturally in cells throughout the body, where it is well known as an antioxidant. Because it is a genuine peptide, it belongs naturally in a peptide library.

How it is studied
In the laboratory, Glutathione is studied in antioxidant and cellular research. As a research compound, it is a study tool and is not approved or intended for human use.
Browse research-grade peptides
Every Axis compound is third-party tested to 99.4%+ purity, with a certificate of analysis on every batch.
What to look for
A research-grade Glutathione should ship with a batch-specific certificate of analysis documenting purity and identity.
Key takeaways
- Glutathione is a naturally occurring tripeptide.
- It is made of glutamate, cysteine, and glycine.
- It is studied as an antioxidant in research.
- Research-grade Glutathione is supplied for research use only.
A note on research use
The peptides supplied by Axis Peptide Labs are reference compounds for laboratory and research use only. They are intended for qualified researchers working in academic, institutional, and analytical settings. They are not drugs, foods, cosmetics, or medical products, and they are not intended for human or veterinary consumption. Documented identity and documented purity are what matter most when sourcing a compound, both of which are published on the Axis certificates of analysis page.
