A nurse in a pediatric clinic is caring for a child who has iron deficiency anemia and a new prescription for ferrous sulfate tablets. Which of the following instructions should the nurse provide the parents regarding administration of this medication?

A. Milk can decrease the absorption of iron and should be avoided. B. Iron is best absorbed on an empty stomach, so it is typically administered between meals. C. Iron is best absorbed when not taken at bedtime as it may cause stomach upset. D. Iron is better absorbed when given with vitamin C, which is abundant in orange juice. Avoid giving iron with milk as calcium can interfere with absorption.