Ammonium alginate (E403)
Updated October 2, 2026
Ammonium alginate (E403) is a food additive in the “other additives” group. It appears in 33 products in our database, 30 of them sold in the US.
Quick facts
- Also known as
- E403
- E-number
- E403
- Function
- Other additives
- Found in
- 33 products (30 sold in the US)
Foods that commonly contain Ammonium alginate
Share of published products in each category whose ingredient list includes Ammonium alginate.
Popular products with Ammonium alginate
e NOVA 4 
NOVA 4 
NOVA 4 Ammonium alginate-free alternatives
Popular products from the same categories that don't list Ammonium alginate and score Nutri-Score A–C.
c NOVA 4 
a NOVA 4 
a NOVA 4 
a NOVA 4 
c NOVA 4 How to spot Ammonium alginate on a label
Look for any of these names in the ingredient list:
Related additives
Frequently asked questions
What foods contain Ammonium alginate?
In our database, Ammonium alginate most often appears in cakes, biscuits, baking decorations and chocolate candies.
How many products contain Ammonium alginate?
33 published products on Foodmetria list Ammonium alginate, including 30 sold in the United States. 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.