(11-03-11) Mega-doses of vitamin D help prevent breast cancer and other diseases, study finds

by Ethan A. Huff, staff writer

(NaturalNews) Current government recommendations of 400 or 600 international
units (IU) of vitamin D a day are insufficient to prevent serious diseases like
breast cancer, a new study published in the journal Anticancer Research has
found. Researchers from the University of California, San Diego (UCSD) School
of Medicine and Creighton University (CU) School of Medicine discovered that
when much higher doses of vitamin D are taken daily, the risks associated with
developing several major diseases are reduced by about half.

"We found that daily intakes of vitamin D by adults in the range of 4000-8000
IU are needed to maintain blood levels of vitamin D metabolites in the range
needed to reduce by about half the risk of several diseases -- breast cancer,
colon cancer, multiple sclerosis, and type 1 diabetes," said Cedric Garland,
DrPH, professor of family and preventive medicine at the UCSD Moores Cancer
Center.

"I was surprised to find that the intakes required to maintain vitamin D
status for disease prevention were so high -- much higher than the minimal
intake of vitamin D of 400 IU/day that was needed to defeat rickets in the 20th
century."

A review of several thousand volunteers taking between 1,000 and 10,000 IU/day
of vitamin D revealed that much higher daily intakes of vitamin D are required
to achieve blood serum levels of vitamin D in the healthy range of 40 to 60
nanograms per milliliter (ng/mL), or higher. And those who daily take such mega-
doses of vitamin D in order to maintain these levels are much less likely to
develop serious disease.

"Now that the results of this study are in, it will become common for almost
every adult to take 4,000 IU/day," said Garland. "This is comfortably under the
10,000 IU/day that the Institute of Medicine (IOM) Committee Report considers
as the lower limit of risk, and the benefits are substantial. Now is the time
for virtually everyone to take more vitamin D to help prevent some major types
of cancer, several other serious illnesses, and fractures."

Sources for this story include:

http://www.grassrootshealth.net/gar...

http://www.eurekalert.org/pub_relea...

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