Is Isinglass vegan?
Not vegan
Isinglass is a fining agent from fish bladders used to clarify beer and wine. Not vegan.
What it is
A collagen extracted from the swim bladders of fish (especially sturgeon).
Why not vegan
Always animal-derived. Used in cask ales and traditional wines to remove cloudiness.
Where you'll find it
- Cask-conditioned ales
- Some lagers and stouts
- Many traditional wines
Vegan alternatives
- Bentonite clay finings
- Pea protein finings
- Vegan-certified beers and wines (check Barnivore.com)
FAQ
- Is Guinness vegan?
- Yes, since 2018 Guinness has been brewed without isinglass and is officially vegan.