US and Canada bump recommended daily dose of vitamin D
Friday 03 December 2010
A report released on November 30 has called for tripling the recommended dietary allowance of vitamin D for people aged 9 to 70 from 200 to 600 international units (IU) a day.
A committee of scientists, gathered by the National Academies' Institute of Medicine, a nonprofit organization that works to provide advice to decision makers and the public, also doubled the amount of vitamin D that people that age can safely take, via vitamin D supplements, in any given day from 2,000 to 4,000 IU. The report was requested by the US and Canadian governments.
The revised recommendation for most people up to age 70 is 600 IU of vitamin D (the amount found in three ounces of canned salmon, among other food sources) per day to maintain health. People 71 years and older may need as much as 800 IUs, according to the report. Children under nine, including infants, need 400 IU a day.
Despite recent studies suggesting that the vitamin D has benefits going far beyond bone health, the panel restricted its benefits to just that. Apart from aiding bone health, the panel reported, the benefits of vitamin D "are currently not supported by evidence that could be judged either convincing or adequate."
In addition, the panel suggested that fears of vitamin D deficiency might be unfounded. "Overall, the committee concludes that the majority of Americans and Canadians are receiving adequate amounts of both calcium and vitamin D."
To access more information on the report, visit http://www.iom.edu/Reports/2010/Dietary-Reference-Intakes-for-Calcium-and-Vitamin-D.aspx
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