Is Casein Fining vegan?
Not vegan
Some white wines are clarified with milk casein. Not vegan.
What it is
Milk protein added to wine to bind with phenolics and clarify the liquid.
Why not vegan
Dairy-derived fining agent. Trace amounts can remain.
Where you'll find it
- Some Chardonnay and Sauvignon Blanc bottles
Vegan alternatives
- Bentonite-fined wines
- Wines labelled 'vegan'
FAQ
- Can I tell from the label?
- Usually no — check Barnivore or look for a vegan certification mark.
Sources
Last reviewed June 4, 2026