Do vitamin D supplements or zinc lozenges impact immunity? A dietitian shares which foods and vitamins help support immunity, where we can get these important nutrients, and how to master meal planning. ContextCoronavirusCOVID-19dietitianimmune systemIMMUNITYMaintainnutritionpandemicquarantineSharesstrongTipsvideoVITAMINvitamin immunityvlogWebMDYouTubezinc