See also: Buffered Vitamin C, Emergen-C, Ester-C, Vitamin C w/Dihydroquercetin, Vitamin C with Rose Hips, Vitamin Supplements
Vitamin C (ascorbic acid) is an antioxidant that humans cannot synthesize so it must be ingested via fruit or other sources. Small doses may reduce the severity and duration of colds. It is available in various formulations to be taken by mouth or by injection.
See more information, including instructions, precautions, side effects, and interactions.
Report created on November 21, 2009.