Wednesday Dec 10, 2008 (foodconsumer.org) -- Taking
vitamin D - cholecalcoferol - supplements reduces all-cause mortality, Drs John
Cannell and Hollis B W from Vitamin D Council say in a report.
The report published in the March 2008 issue of Alternative
Medicine Reviews says that the reduction in death risk by taking vitamin D was demonstrated
in 18 randomized controlled trials.
Dr. Cannell says vitamin D is metabolized to form a
potent seco-steroid hormone that targets more than 200 human genes in a wide
variety of tissues including the gene responsible for cathelicidin, a naturally
occurring broad spectrum antibiotic.
Vitamin D - induced antibiotic is important for immune
responses against bacteria and viruses.
Flu hits people with vitamin D deficiency which is common in the winter
and people who are not often exposed to the sun.
Without sufficient vitamin D, the body does
not produce enough endogenous antibiotic to fight against viruses including
seasonal flu viruses.
Dr. Cannell says in his report that natural vitamin D
levels in people living in a sun-rich environment are between 40 and 70 ng/mL.
To maintain such levels, 2,000 to 7000 IU
vitamin D per day is needed.
For those who have serious illness associated with
vitamin D deficiency such as cancer, heart disease, multiple sclerosis,
diabetes, autism and others, vitamin D levels need to be maintained between 55
and 70 ng per mL, according to Dr. Cannell.
Vitamin D can be used not only to prevent but also to
treat many respiratory infections including influenza, the common cold and
2,000 IU per kg of body weight
per day for three days may produce enough of the naturally occurring antibiotic
cathelicidin to cure these infections.
Dr. Cannell suggests though that for those who have
serious diseases, high doses of vitamin D as an adjuvant treatment need to be
used and vitamin D (25-hydroxyvitamin D or 25(OH)D) and serum calcium need to
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