Formula Is Nutritionally Complete In the U.S., infant formula is regulated by theU.S. Food and Drug Administration That means it must contain: Protein Carbohydrates Fats Iron Vitamins (A, D, E, K, B-complex) Minerals (calcium, zinc, etc.) It is designed to support: Brain development Weight gain Immune system growth Bone development When Formula Feeding Is a Good Choice Formula feeding works well if: Breastfeeding isn’t possible Milk supply is low Mom returns to work Medical c