Vegan

E550 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

Silicato de sódioSodium silicateSodium Silicates i‚ Sodium silicate (ii)‚ Sodium metasilicateNatriumsilikat규산 나트륨Силікат натріюСиликат натрияKrzemian soduKremičitan sodnýNatriumsilikaattiNatriumsilikaattiaSilicate de sodiumMétasilicate de sodiumNatriumsilicatenSilicato de sodioSilicato di sodio

How to verify it

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