Dr. Ian Smith answers a viewer who wants to know whether taking vitamin C supplements during cold + flu season is a good idea. adviceAnswerscoldcold and fluCold FludoctorDoes Vitamin C Help With Coldsdoes vitamin c prevent coldsdr ian smithFlu SeasonIanrachael rayrachael ray showrachaelrayrachel rayshould i take vitamin cSmithsupplementsvideoVITAMINVITAMIN Cvitamin c for coldsVitamin SupplementsvlogYouTube
