Quick, easy signup - no download, no obligation. 1  Mobile & Web Access - From any Internet-connected computer or mobile phone. 2  Multiple Addresses - Create as many email addresses as you want - all free! 3  Spam/Virus Protection - Blocks junk mail & helps protect you from viruses.*.
1 However, taking vitamin C before the onset of cold symptoms may shorten the duration of symptoms. 2  Vitamin C may provide benefit for people at high risk of colds due to frequent exposure â for example, children who attend group child care during the winter.
The vitamin C dosage was 500 mg once a week (equivalent to about 70 mg daily) before colds, but 1,500 mg the first day of a cold followed by 1,000 mg on the second and third days. No reduction in the incidence of colds was observed, but those taking vitamin C averaged less time at home (1.62 vs. 1.12 days indoors).