Breakfast. Research shows that [breakfast] is the most important meal of the day—and there is plenty of science to support it. Still, more than half of us do not eat breakfast everyday. . . .Breakfast-eating kids and adultsget more fiber, calcium, vitamins A and C, riboflavin, zinc, and iron in their diets than breakfast-skippers. It’s no wonder when you consider that nutrient-rich foods such as whole-grain hot and ready-to- eat cereals, fat-free and low-fat milk and yogurt, and fruit and 100 percent fruit juice are popular breakfast picks.