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Is Fumaric Acid vegan?

Fumaric Acid

Vegan

Fumaric acid is a naturally occurring organic dicarboxylic acid found in many plants and produced in the human body during the citric acid cycle. In commerce it is primarily produced by chemical synthesis and used as an acidulant in food and beverages and as a pH adjuster in cosmetics.

Also known as (E)-Butenedioic acid, Allomaleic acid, trans-2-Butenedioic acid, trans-Butenedioic acid
INCI name Fumaric Acid
E number E297
CAS number 110-17-8
EC number 203-743-0
CosIng ID 33964
Last reviewed 22 April 2026

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