Last reviewed May 2026 · 1 min read
Is Glutathione vegan?
Also known as: L-Glutathione, Reduced Glutathione
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Source can be plant or animal.
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It depends — It can be produced through yeast fermentation (vegan) or extracted from animal tissues like liver (non-vegan).
01 · The basics
What is Glutathione?
A powerful antioxidant naturally found in the body, used in supplements and skincare to brighten skin and support detoxification.
02 · The source
Where it comes from
It can be produced through yeast fermentation (vegan) or extracted from animal tissues like liver (non-vegan). Most modern supplements use the vegan fermented version.
03 · Alternatives
Best vegan alternatives
L-cysteine (precursor)
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Frequently asked
FAQ
Is glutathione vegan?
Many brands now use yeast-fermented glutathione. Always check for a 'vegan' label on the supplement bottle.
Does glutathione whiten skin?
It is often marketed for 'skin whitening' because it influences melanin production, though results vary and it is more accurately described as a brightening agent.
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