Q

Vitamin C

How much vitamin C do I need if I have a cold?

A Answers (1)

  • A , Internal Medicine, answered
    When you begin to show signs of a cold, increase your vitamin C to as much as 4 grams (4,000 milligrams) a day, taken with plenty of water (eight glasses for 4 grams). Although this won't cure colds, it will lessen the severity of the symptoms. For example, when you have a cold and take your C, you may find that you can keep exercising.
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