Is E221 vegan? Sources and aliases

Vegan

E221 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

Sulfito de sódioSiarczyn soduSiarczyn sodowySiarczanIV soduсульфит натрияСульфіт натріюNatriumsulfitSodium sulphiteSodium sulfiteSulfite de sodiumSulfite de soudeNatriumsulfiittiNatriumsulfiittiaSiřičitan sodnýSolfito di sodioSolfito sodicoSulfito sódicoSulfito de sodioConservante E 221Conservante E221Natriumsulfiet

How to verify it

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