Dr. Jen Ashton has the latest information on the potential benefits of vitamin D. ashtonBenefitsCoronavirusCOVID-19COVID19dr.healthimmune systemIMMUNITYinformationJenlatestp_cmsid=2494279p_vid=news-73857960pandemicPREVENTvideoVITAMINvitamin COVID-19vlogYouTube