Vitamin C Offers Little Protection Against Colds

Armen Hareyan's picture
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Unless you run marathons, you probably won't get much protection from common colds by taking a daily supplemental dose of vitamin C.

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Conducted over several decades and including more than 11,000 people who took daily doses of at least 200 milligrams, the review also shows that vitamin C (ascorbic acid) does little to reduce the length or severity of a cold, according to the researchers at the Australian National University and the University of Helsinki.

However, they found that people exposed to periods of high stress

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