Essential Nutrition for Baby Iron is an essential nutrient for rapidly growing babies especially until age 2. For iron-rich infant cereal usage tips, search on gerber.com. Good To Remember 2 servings (about 1/2 cup) of GERBER cereal have 90% of baby's daily Iron needs. Now in an easy to use package that simplifies your life! Less mess Easy to pour - or twist off the cap to scoop Easy to open and close NutriLock seal