Vegan

E503i is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

AmmoniumcarbonatCarbonato d'ammoniocarbonato di ammonioAmmoniumkarbonatCarbonato de amonioCarbonato amónicocarbonato de aminiacoAmmoniumcarbonaatUhličitan amonnýCarbonate d'ammoniumAmmoniumkarbonaattiAmmoniumkarbonaattiaWęglan amonuкарбонат аммонияAmmonium carbonate탄산 암모늄ammoniumkarbonatammoniumcarbonatCarbonato de amónio

How to verify it

Check that the name refers to this exact ingredient and not a similar additive with a different source.