Ammonium carbonate
Function: Food Additive
E503I is the European food-additive number for Ammonium carbonate. AMMONIUM CARBONATE is a salt with the chemical formula -NH4-2CO3.
Is E503I safe or restricted?
E503I is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as “No regulatory flags” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E503I vegan or vegetarian?
Ammonium carbonate (E503I) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E503I?
E503I appears in 4,018 of the 4.6 million products in Forkin's catalogue — most often in pastry, chocolate candy and shortbread.
- Pastry234
- Chocolate Candy226
- Shortbread203
- Crackers168
- Cakes163
- Wafers135
- Cream-Filled Cookies103
- Milk Chocolate102
Often appears alongside
Additives most frequently found in the same ingredient lists as E503I across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E503I
- What is E503I?
- E503I is the E-number for Ammonium carbonate. AMMONIUM CARBONATE is a salt with the chemical formula -NH4-2CO3.
- Which foods contain E503I?
- E503I appears in 4,018 of the 4.6 million products in Forkin's catalogue — most often in pastry, chocolate candy and shortbread. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E503I vegan or vegetarian?
- Ammonium carbonate (E503I) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E503I safe, and is it banned anywhere?
- E503I is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as "No regulatory flags" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E503I — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See how Forkin compares to other scanners or view pricing.