Vegan

E552 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

KalsiumsilikaattiKalsiumsilikaattiaSilicate de calciumCaSiO3Ca2SiO4E-5521344-95-2Křemičitan vápenatýSilicato cálcicosilicato de calcioCalciumsilicaatKalciumsilikatSilicato di calcioMattoni silico-calcareiCalciumsilicatSilicato de cálcioCalcium silicateKrzemian wapnia

How to verify it

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