Antioxidant
Glutathione
Also known as: GSH, L-glutathione, Reduced glutathione
Master antioxidant for detoxification. Liposomal or acetyl forms needed for oral absorption.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Antioxidant
- Detoxification
- Immune support
- Skin lightening
How it works
- Phase II detoxification
- Neutralizes free radicals
- Immune cell function
- Regenerated by NAC
Dosage
- Typical range
- 250-1000 mg daily (liposomal or acetyl form)
- Timing
- Empty stomach
- With food
- Empty stomach
- Duration
- Safe long-term
- Special populations
- Detox, immune support, skin
Forms
- Liposomal
- S-acetyl glutathione
- Reduced (standard)
Safety
Common side effects
- Well tolerated
Contraindications
- None
Products containing Glutathione
Top-scoring supplements in our catalog that list Glutathione on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
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Known interactions
Evidence notes
Master antioxidant; absorption form-dependent
Grade B: Some human trials support key claims; further confirmation needed.
Cited research for Glutathione
Clinical studies referenced across Formulate guides that mention glutathione. Each links to the full study page with PubMed source + the guides that cite it.
Glutathione compared head-to-head
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.