Winter bugs: Vitamin C and zinc
Sliced Bread
The Effects of Vitamin C on the Immune System
Many studies are observational and lack any mechanistic underpinning, says Harry. He said some of the negative findings could simply be explained by two low doses. As to if I did want to take a bit and say, how much should I be consuming? Well, most studies used one to three grams a day. That means on day one of your cold, in order to get an adequate dose that may help you out, you'd need to eat 30 large oranges.
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