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NOW Iron Category
Iron is part of hemoglobin, the oxygen-carrying component of the blood. Iron-deficient people tire easily in part because their bodies are starved for oxygen.
Although it occurs less frequently in the United States, iron deficiency is the most common nutritional deficiency in the world, affecting 20 to 50% of the world’s population. The most common cause of iron deficiency is inadequate intake of iron, but malabsorption and loss of iron from bleeding are significant factors in some cases. Premenopausal women are at risk of becoming iron-deficient because of the blood loss that occurs every month during menstruation.
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