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Ask Tufts Experts December 2007 Issue

Q: In your June 2007 newsletter you reported the recommended AREDS antioxidants combination to reduce the risk of macular degeneration. It included copper. Recently, on a TV program, I heard a doctor warning against using copper as part of a multivitamin intake, stating that copper was bad for your health. It would be reassuring reading your opinion on this. If copper is to be used, in what amounts?

Answer :  Copper is an essential mineral with an established Recommended Dietary Allowance (RDA) of 900 micrograms (0.9 milligrams) per day for adults and a Tolerable Upper Intake Level (UL) of 10,000 micrograms (10 milligrams) daily. (The UL is the maximum daily intake of a nutrient that is likely to pose no risks of adverse health affects for almost all individuals.) According to Jeffrey Blumberg, PhD, director of the Antioxidants Research Laboratory at Tufts’ Jean Mayer…

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