Vegan

E349 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

Malato de amónioammonium malate말산 암모늄AmmoniummalatМалат аммонияJabłczan amonuJablečnan amonnýMalate d'ammoniumAmmoniummalaattiAmmoniummalaattiaAmmoniummalaatMalato de amonioMalato amónicoE 349Malato di ammonio

How to verify it

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