Question

In addition to an actual deficiency of iron, iron-deficiency anemia may develop when normal iron levels are present, when there is a deficiency of ____.​

Answer 1

Answer: copper

Copper has a role in many enzymes, one of it is hephaestin who have a role in iron transportation. Deficiency of copper will disrupt iron transportation which will cause not all of the iron could be used. The manifestation should be similar to iron deficiency, which is anemia.