The type of iron that the human body needs for good health is the ion. Cereals fortified with iron, however, usually contain small grains of elemental iron, Fe. What must the body do to this...

The type of iron that the human body needs for good health is the

ion. Cereals fortified with iron, however, usually contain small grains of elemental iron, Fe. What must the body do to this elemental iron to make good use of it? Oxidation or reduction?