Vegan

E220 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

svoveldioksidДіоксид сірки이산화 황Dwutlenek siarkiZwaveldioxideSvaveldioxidAnhydride sulfureuxDioxyde de soufreOxid siřičitýсерный диоксиддиоксид серыSvovldioxidSulphur dioxideSulfur dioxideDióxido de enxofreAnidride solforosaBiossido di zolfoSchwefeldioxidDióxido de azufreAnhídrido sulfurosoRikkidioksidiRikkidioksidia

How to verify it

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