Vegan

E514 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

NatriumsulfatennatriumsulfaterSulfates de sodiumSírany sodnéSiarczany sodu황산 나트륨Solfatos di sodioSolfati di sodioNatriumsulfaterSulfatos de sodioNatriumsulfaatitСульфаты натрияСульфати натріюSodium sulphatesSulfatos de sódio

How to verify it

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