Quote:
Originally Posted by wehateporn
The effectiveness of vitamin C in preventing and relieving the symptoms of virus-induced respiratory infections.
http://www.ncbi.nlm.nih.gov/pubmed/10543583
"CONCLUSION:
Vitamin C in megadoses administered before or after the appearance of cold and flu symptoms relieved and prevented the symptoms in the test population compared with the control group."
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I would add zinc as well:
"Zinc administered within 24 hours of onset of symptoms reduces the duration and severity of the common cold in healthy people. When supplemented for at least five months, it reduces cold incidence, school absenteeism and prescription of antibiotics in children."
http://www.ncbi.nlm.nih.gov/pubmed/21328251