Last reviewed May 2026 · 1 min read
Is Bentonite Clay vegan?
Also known as: Montmorillonite, Sodium bentonite
E-number: E558
Vegan
Suitable for a vegan diet.
Yes — It is a naturally occurring clay formed from volcanic ash.
01 · The basics
What is Bentonite Clay?
An absorbent aluminum phyllosilicate clay used to draw out impurities from the skin and to clarify wine.
02 · The source
Where it comes from
It is a naturally occurring clay formed from volcanic ash. It is 100% vegan.
03 · Alternatives
Best vegan alternatives
Kaolin clay
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Frequently asked
FAQ
Is Bentonite a vegan alternative for wine?
Yes! Many winemakers use bentonite clay instead of isinglass (fish bladders) or egg whites to filter and clarify their wines.
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Calcium Gluconate
A firming agent and acidity regulator.
Chitin
A fibrous substance consisting of polysaccharides, used in agriculture, winemaking, and dietary supplements (for weight loss).
Chitosan
A linear polysaccharide derived from chitin, heavily marketed in supplements as a 'fat binder' for weight loss.
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