Study links longevity with vitamin D ...

Study links longevity with vitamin D intake

There are 1 comment on the Chicago Tribune story from Sep 15, 2007, titled Study links longevity with vitamin D intake. In it, Chicago Tribune reports that:

Vitamin D is good for your bones, doctors have said for years, but new research suggests taking a vitamin pill a day might extend your life.

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EDWARD HUTCHINSON

London, UK

#1 Sep 15, 2007
Risk assessment for vitamin D by Hathcock, Shao, Vieth and Heaney shows that 10,000iu/daily of Vitamin D should be regarded as a Safe Upper Limit. Actual harm will occur eventually if 40,000iu/daily is consumed for some months.

Safety of vitamin D3 in adults with multiple sclerosis.shows that 280,000iu/weekly did not produce adverse events in this 28week trial but Vitamin D levels did rise to 386 +/- 157 nmol/L a level at which hypercalcemia may be expected.

Each 400iu of vitamin D raises status by 9nmol/L so 1000iu should improve the situation by 24nmol/L. This is fine in summer but in winter, when the average status is 40nmol/L, 2000iu/daily would ensure most people had the 80nmol/l that enables maximum uptake of calcium.

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