How much vitamin C for a cold?

During a cold, the need for vitamin C may increase as it is important for supporting the immune system. Studies have shown that high doses of vitamin C (for example, 1-2 grams per day) can alleviate cold symptoms and shorten its duration. However, it is important to follow recommendations and consult with a doctor before taking large doses, especially if other medications are being used or if there is a special health condition.

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