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Ask Tufts Experts April 2008 Issue

Q: What’s the safe level of daily vitamin D? Is it different for older people? Also, I take fish-oil pills each day as recommended by my heart specialist, as well as a vitamin D supplement, and I’m worried that I may be getting too much vitamin D. How much vitamin D is found in fish-oil pills if any?

Answer :††The recommended intake of vitamin Dóbut not the safe limitódoes increase with age: The Institute of Medicine has set the daily adequate intake for adults ages 19 to 50 at 200 IU of vitamin D, for ages 51 to 70 at 400 IU, and for those older than age 70 at 600 IU. Many experts, however, argue that those levels should be raised, and research has shown that 800 to 1,000 IU daily may…

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