Food coloring is a dye, therefore it is not natural.
Food coloring is put in food to make t he food colored. People like the pretty colors.
you can use it on all type of food coloring
it's typically on the ingredients list. it looks like blue dye # or something similar
Foods that have food coloring added ......................... The list of foods using food coloring is too vast to include in this context. If concerned about one particular food, the safe course is...