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Is Isinglass vegan?

Isinglass

Not Vegan

Isinglass is a very pure form of gelatin derived from the dried swim (air) bladders of freshwater fish, especially sturgeon. It is used primarily as a fining agent in the production of beer and wine to clarify the liquid, and historically in food and adhesive applications.

Also known as Fish Bladder Gelatin, Fish Gelatin, Ichthyocol, Sturgeon Isinglass
Last reviewed 16 April 2026

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.