Vitamin C: Can it prevent colds?

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Vitamin C: Can it prevent colds?

In most cases, vitamin C supplements won't help prevent colds. However, taking vitamin C before the onset of cold symptoms may shorten the duration of symptoms. Vitamin C may provide benefit for people at high risk of colds due to frequent exposure, for example, children who attend group child care during the winter.

Last Updated: 2012-04-24
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