<prompt> Iron absorption is increased byPhytatesTannatesPlant foodAscorbic acid  <response>: Ans. d Ascorbic acidRef: Robbins 9thpg 649-652Iron Absorption. Site of iron absorption: duodenum and upper jejunum proximal small intestine Q.. Ferrous form Fe2 of Iron is absorbed Q.. Transport of Fe2 into enterocyte occurs via DMT1 Q.Increased byDecreased by. Acids Q. Ascorbic acid Vitamin C Q. Amino acid containing SH-group. Meat these reduce Fe3 to Fe2. Alkalies. Phosphates Q. Phytates Q. Tetracycline. Presence of other food in stomach 