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I Hate It When I Have A Cold

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Recommendations For Vitamin D Dosage When One Has A Cold... Vitamin D was not many years ago thought to be a very unglamorous vitamin important for nothing other than boosting dietary calcium absorption. Now research has shown it has numerous effects on human health and is apparently one of the few most important vitamins. One of its crucial aspects is promotion of immune system health. It's now widely believed that the far greater prevalence of colds and flu in wintertime is due to reduced Vitamin D levels caused by the lesser sunlight.

http://www.vitamindcouncil.org/health-conditions/infections-and-autoimmunity/common-cold/

Vitamin D may lower cold risk by:

* Producing cathelicidin and defensins: These proteins have antibiotic properties. They reduce the risk of bacterial and viral infections.
* Suppressing production of inflammatory compounds: Inflammation is a response of the immune system to fight infection.

Prevention

The risk of the common cold and influenza was studied in postmenopausal African-American women living in New York. Women taking 2000 international units (IU) (50 mcg)/day of vitamin D3 (cholecalciferol) had a 90% reduction in either disorder. Those taking 800 IU (20 mcg)/day had a 60% reduction. Vitamin D3 is a form of vitamin D produced in the skin. It is likely that vitamin D had similar effects on both viral infections.

Treatment

There are no reported studies of treating the common cold with vitamin D.

However, taking large doses of vitamin D at the beginning of infection, say 10,000 to 50,000 IU (250 to 1250 mcg)/day for 1 to 3 days, would increase vitamin D blood levels dramatically. Cathelicidin and defensin levels would also increase. Possibly these increases would reduce the severity and length of the common cold.

Conceptualclarity : If one is going to fight upper respiratory infection with megadosing of Vitamin D, it is advisable to get 5,000 IU Vitamin D pills, which are widely available over the counter.
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Mar 13, 2012
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