Other additives · Food additive

Ammonium carbonates (E503)

Updated October 2, 2026

Ammonium carbonates (E503) is a food additive in the “other additives” group. It appears in 19,418 products in our database, 3,715 of them sold in the US.

Quick facts

Also known as
E503
E-number
E503
Function
Other additives
Found in
19,418 products (3,715 sold in the US)

Foods that commonly contain Ammonium carbonates

Biscuits 18% · 4,261
Chocolate biscuits 40% · 1,044
Biscuits and cakes 14% · 470
Snacks 1% · 465
Shortbread cookies 20% · 448
Filled biscuits 40% · 423
Dry biscuits 36% · 262

Share of published products in each category whose ingredient list includes Ammonium carbonates.

Popular products with Ammonium carbonates

Ammonium carbonates-free alternatives

Popular products from the same categories that don't list Ammonium carbonates and score Nutri-Score A–C.

How to spot Ammonium carbonates on a label

Look for any of these names in the ingredient list:

Ammonium carbonatesE503

Related additives

Frequently asked questions

What foods contain Ammonium carbonates?

In our database, Ammonium carbonates most often appears in biscuits, chocolate biscuits, crackers (appetizers) and biscuits and cakes.

How many products contain Ammonium carbonates?

19,418 published products on Foodmetria list Ammonium carbonates, including 3,715 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.