Iron from natural food sources, like the ones listed below, are considered safe and healthy.įoods high in iron include fortified cereals, beef, shellfish, dried fruit, beans, lentils, dark leafy greens, dark chocolate, quinoa, mushrooms, and squash seeds. The body is able to regulate the uptake of iron, so overdose is rare and usually only occurs when people take supplements. ( 1)Ĭonversely, too much iron leads to the production of harmful free radicals, and interferes with metabolism, causing damage to organs like the heart and liver. A slight deficiency in iron causes anemia (fatigue/weakness), and a chronic deficiency can lead to organ failure. Iron is an essential mineral used to transport oxygen around the body in the form of hemoglobin.
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