This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: RDA, Nutritional Requirements, Subject name: Social & Preventive Medicine
Iron tablets should never be given along with:- 
Select and explain. 
A. Water, B. Lemon water, C. Milk, D. All of the above
C: Milk
Answer: C: Milk 
Explanation: Milk contains calcium which Inhibits absorption of Iron by binding to Intestinal DMT-2 (Divalent Metal transpoer-2). Hence, iron tablets should never be taken with milk. Components impeding/ inhibiting iron absorption are: Phytates Tannates Oxalates Calcium Tetracycline. Vitamin C (ascorbic acid) is a facilitator of iron absorption. Diseases like celiac disease, tropical sprue interferes with iron absorption.