Is Isinglass Vegan?
An absolute guide to identifying isinglass on nutrition labels.
❌ NO, ISINGLASS IS NOT VEGAN.
The Quick Answer
Isinglass is a substance obtained from the dried swim bladders of fish, making it strictly non-vegan.
Common Source: Fish swim bladders.
What is Isinglass?
A form of collagen used primarily as a fining agent (clarifier) to filter out particulate matter in the production of some wines and beers.
Where is it usually found?
You can frequently find this ingredient hiding in:
- Certain traditional beers
- Some wines
- Cask ales
Vegan Alternatives to Isinglass
If you're avoiding isinglass, look for these plant-based alternatives instead:
- Bentonite clay
- Irish moss
- Silica gel
- Polyvinylpolypyrrolidone (PVPP)
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