Bisto Gravy Granules (2 x 450g) contain potato starch, maltodextrin, palm oil or fat, salt, wheat flour (with added calcium, iron, niacin, and thiamin), a caramel color (E150c or ammonia caramel), sugar, flavorings (which for some variants, may contain barley), flavor enhancers (monosodium glutamate E621 and disodium 5′-ribonucleotides E635), and an emulsifier (soya lecithin E322). Allergens highlighted on the packaging include barley, soya, and wheat, indicating the presence of cereals containing gluten. Some varieties are suitable for vegetarians, but specific dietary claims should be verified on the product label as ingredients can differ. There are also vegan and gluten-free versions of Bisto gravy, but the standard Bisto Gravy Granules are not gluten-free