Amino acids
Glutathione
Also called: glutathione, liposomal glutathione, S-acetyl glutathione
The body's main antioxidant, made from three amino acids.
- Why people take it
- Skin lightening, liver, ageing.
- What the evidence says
- Taken by mouth it is poorly absorbed; little evidence. Skin-lightening injections are not approved and can be unsafe.
- How it is usually taken
- Usually 250 to 1,000 mg a day by mouth; injected skin-lightening glutathione is unsafe outside a hospital.
- Be careful
- Injections sold for skin whitening have caused serious reactions; avoid them.
- Medicines it can interact with
- No important medicine interactions are known, but tell your doctor and pharmacist about every supplement you take.
Other amino acids
Common questions
What is Glutathione?
The body's main antioxidant, made from three amino acids.
Why do people take Glutathione?
Skin lightening, liver, ageing.
Does Glutathione work?
Taken by mouth it is poorly absorbed; little evidence. Skin-lightening injections are not approved and can be unsafe.
How much Glutathione do people take?
Usually 250 to 1,000 mg a day by mouth; injected skin-lightening glutathione is unsafe outside a hospital.
Is Glutathione safe?
Injections sold for skin whitening have caused serious reactions; avoid them.
Does Glutathione interact with medicines?
No important medicine interactions are known, but tell your doctor and pharmacist about every supplement you take.
Sources and further reading
Last reviewed 31 October 2026. Written by Satya Babu.
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