Iron


An essential mineral. Iron is necessary for the transport of oxygen (via hemoglobin in red blood cells) and for oxidation by cells (via cytochrome). Deficiency of iron is a common cause of anemia. Food sources of iron include meat, poultry, eggs, vegetables and cereals (especially those fortified with iron). According to the National Academy of Sciences, the Recommended Dietary Allowances of iron for women ages 19 to 50 is 18 milligrams per day and for men ages 19+, 8 milligrams per day. Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk in people who may have certain genetic conditions (hemochromatosis) sometimes without knowing it and also in people receiving recurrent blood transfusions. Iron supplements meant for adults (such as pregnant women) are a major cause of poisoning in children.

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  • Iron deficiency anemia

    A common form of nutritional disorder, iron deficiency results in anemia as iron is necessary to make hemoglobin, key molecule in red blood cells responsible for the transport of oxygen. In iron deficiency anemia, the red cells appear abnormal and are unusually small (microcytic) and pale (hypochromic). The pallor of the red cells reflects their […]

  • Iron excess

    People with certain genetic conditions such as hemochromatosis; and People receiving repeated blood transfusions. According to the National Academy of Sciences, the Recommended Dietary Allowances of iron for women ages 19 to 50 is 18 milligrams per day and for men ages 19+, 8 milligrams per day.

  • Iron overload

    People with certain genetic conditions such as hemochromatosis; and People receiving repeated blood transfusions. According to the National Academy of Sciences, the Recommended Dietary Allowances of iron are 15 milligrams per day for women and 10 milligrams per day for men.

  • Iron poisoning

    Iron supplements meant for adults (such as pregnant women) are a major cause of poisoning in children. Care should be taken to keep iron supplements safely away from children.

  • Iron supplementation, infant

    Iron is included in most infant formulas. Therefore, there is no evidence that iron supplementation is necessary for healthy formula-fed, full-term infants. In the past it was recommended that infants from birth to 4 months of age could receive a lower quantity of iron compared with those from 4 to 12 months of age. As […]


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