Milk has a variety of different vitamins and minerals and they can strengthen your bones so that they can hold up during those extreme workouts. (fitnessandpower.com)
They're high in protein and fiber and so many different vitamins including B vitamins and minerals such as phosphorus, manganese, and zinc. (fooddoodles.com)
Different fruits and vegetables contain different vitamins and minerals so it's best if they eat a wide variety. (bounty.com)