NTR 306 Chapter Notes - Chapter 13: Iron Overload, Iron Supplement, Frontal Lobe

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Most abundant trace mineral in the body. Two forms in food: heme iron. Absorption affected by alkaline environment of the small intestines. Functions: major component of hemoglobin and myoglobin. Chapter 13: trace minerals: participates in energy metabolism. Necessary for production f lymphocytes and macrophages. Protects from free radical damage: helps enzymes involved in production of neurotransmitters. After menopause 8 mg/day: males. Supplements are almost never needed and can be dangerous: ul. Amount is too high for individuals with liver disease, hemochromatosis, or other diseases that affect iron stores in the body. Too much: symptoms: constipation, nausea, vomiting, and diarrhea, accidental consumption of supplements containing fe is the leading cause of poisoning deaths in children

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