Potassium fumarate (E366)
Updated October 2, 2026
Potassium fumarate (E366) is a food additive in the “other additives” group. It appears in 3 products in our database.
Quick facts
- Also known as
- E366
- E-number
- E366
- Function
- Other additives
- Found in
- 3 products
Foods that commonly contain Potassium fumarate
Share of published products in each category whose ingredient list includes Potassium fumarate.
Popular products with Potassium fumarate
Potassium fumarate-free alternatives
Popular products from the same categories that don't list Potassium fumarate and score Nutri-Score A–C.
c NOVA 4
c NOVA 4
c NOVA 4
c NOVA 4
c NOVA 4 How to spot Potassium fumarate on a label
Look for any of these names in the ingredient list:
Related additives
Frequently asked questions
What foods contain Potassium fumarate?
In our database, Potassium fumarate most often appears in pastries.
How many products contain Potassium fumarate?
3 published products on Foodmetria list Potassium fumarate. Counts come from ingredient lists in Open Food Facts and update daily.
Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.