Vegan

E133 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

Bleu brillant FCFC.I. Acid Blue 9CI 42090C-Blau 21Erioglaucin ABlue 1Brilliant Blue FCFbleu brillantFD&C Blue No.1FD&C Blue #1BB FCFAcid Blue 9D&C Blue No. 4Alzen Food Blue No. 1Atracid Blue FGErioglaucineEriosky bluePatent Blue ARXylene Blue VSGCAS 25305-78-6CAS 2650-18-2CAS 3844-45-9CAS 71701-18-3CAS 15792-67-32650-18-215792-67-3Briljanttisininen FCFBrilantní modř FCFbriljantblà FCFBriljantblauw FCF

How to verify it

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