Most of the breakfast cereals are rather simple formulations containing pure grain- based ingredients mixed in with sugar, salt, and a few other minor ingredients such as colors and flavors. The most widely used minor ingredients that are questionable include mono- and diglycerides and flavors. If there were no components in these animal-based ingredients, all cereals would be halal. However, some of the breakfast cereals may contain gelatin-based marshmallows which may not be halal