Is Bentonite Clay (Wine Fining) vegan?
Vegan
Bentonite is a mineral clay used to clarify wine. Always vegan.
What it is
A volcanic ash clay that binds to proteins and pulls them out of wine.
Why vegan
Mineral origin; the standard vegan alternative to isinglass and egg whites.
Where you'll find it
- Most modern white wines
- Vegan-certified wines
Vegan alternatives
- N/A — already vegan
FAQ
- Does bentonite end up in the wine?
- No — it settles to the bottom and is racked off before bottling.
Sources
Last reviewed June 4, 2026