Excellent source of calcium. 20% More fruit filling than the leading cereal bar. Nabisco Fruit'n Grain cereal bars are a great-tasting way to provide you and your family with an excellent source of calcium. Each bar has 20% of the daily requirement of calcium to help build strong bones and teeth. And when you add luscious real fruit filling and a wholesome multigrain crust, you have a snack that's great for you and your family. As much calcium in one bar as 2/3 cup of milk.