Abstract
Commentary: The Long History of Vitamin C: From Prevention of the Common Cold to Potential Aid in the Treatment of COVID-19.
Highlights
A review of the effects of vitamin C on the immune system and respiratory tract infections was recently published [1]
There was a significant difference between the vitamin C and placebo groups during the 4-day vitamin C supplementation period as mortality was decreased by 81%, whereas no difference between trial groups was seen after vitamin C administration was discontinued [22]
Our meta-analysis on vitamin C and the common cold found that vitamin C did not decrease the average number of colds in general community trials [2]
Summary
A review of the effects of vitamin C on the immune system and respiratory tract infections was recently published [1]. We consider that some of the authors’ statements are inaccurate and here we describe the issues on which we disagree
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