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General description	A trace element important in iron metabolism.
Found	- organ meats - milk - dairy products - legumes - whole grain - leafy green vegetables
Anti-aging role	- vital component of the enzyme responsible for iron utilization - can prevent anemia - is able to detoxify potentially hazardous supstances - antioxydant - protect teeth from cavities - carbohydrate and fat metabolism
Deficiency symptoms	- esophageal cancer
Therapeutic doses	75 - 250 mcg
Maximum safe level	200 mcg for long term 10 000 mcg for the short term
Side effects	High doses: gout - like symptoms, psychosis

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