Is this bar suitable for people who avoid gluten? — Sponge Bob bars with chocolate 20 g

According to the card, the bars contain no gluten; the composition is coarsely ground amaranth, rice and corn flour, dried Jerusalem artichoke, salt, a vitamin mix, chocolate filling and confectionery glaze. The card gives no confirming documents (for example, labelling).

General information (not a manufacturer's instruction): people with coeliac disease should check the labelling on the packaging.