Research library / Immunity

Vitamin C for preventing and treating the common cold

H Hemilä, E Chalker. Cochrane Database of Systematic Reviews. 2013.

Published 2026-10-15Sources checked 2026-10-151 sourceEverstack research teamHow we work

In plain language

Regular vitamin C did not reduce cold incidence in the general population; colds were 8% shorter in adults and 14% in children; risk halved under heavy physical stress.

Limits

Heterogeneous doses; therapeutic trials inconsistent.

Source

doi.org/10.1002/14651858.CD000980.pub4 · PubMed 23440782 · Free full text

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