What is Glutathione?
The short answer
Glutathione is a peptide, a short chain of amino acids.
What it is
Glutathione: Tripeptide antioxidant (gamma-Glu-Cys-Gly).
The body's main antioxidant tripeptide.
What people look into
Aging
- 1 source
- Status as of
- How we source
- Ellum doesn't sell peptides.
Get updates on Glutathione
What it is
- Also known as
- gsh, l-glutathione, reduced glutathione
- How it works
- The body's main antioxidant tripeptide.
Regulatory status
Supplement How we label status
As of October 4, 2026, Glutathione is sold in the US as a dietary supplement.
- Federal (FDA)
- Dietary supplement (DSHEA) when oral; injectable is the glutathione-injectable row
- 503A compounding
- Category 1 (503A, injectable compounding) (as of May 14, 2026)
Forms and brands
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Forms and brands table
| Name | Kind | Status | FDA status | As of |
|---|---|---|---|---|
| Glutathione (injectable/IV) | Form | Not FDA-approved | Not FDA-approved | |
| Glutathione (oral) | Form | Supplement | Dietary supplement (DSHEA) |
References
Sources as of October 4, 2026