<prompt> Iron absorption is increased by:PhytatesTannatesPlant foodAscorbic acid  <response>: d. Ascorbic acidRef: Nelsons 20e p 2323-2325, Ghai 8e p 334-335Iron Absorption Site of iron absorption: duodenum and upper jejunum; Ferrous form Fe2 of iron is absorbedQ Transport of Fe2 into enterocyte occurs via DMT1Q Increased byDecreased by Acids e.g. ascorbic acid Vitamin CQ Amino acid containing SH-group Alkalies Phosphates and PhytatesQ Tetracycline Presence of other food in stomach 