Dr William Grant gives an overview of 15 trials testing how higher blood levels of Vitamin D ( a potent steroid hormone – not a nutrient ) can: 1. Reduce your chance of catching coronavirus by 50% 2. Reduce the severity if you do catch it BAMEBigBUPACall-To-D*ActionCare HomeCoronavirusCOVID-19COVID19dark skindoctorsDr William GrantEFSAGrantGrassrootsHealthGreenVitshealth and skin colourHealth Visitorshow much vitamin d do i needimmune systemIMMUNITYMidwivesnewsnina jablonskinursesPharmacistsPPPProof+that+Vitamin+D+WorksPublic Health DirectorsshadowrulevideoVitalityVITAMINvitamin CoronavirusVitamin Dvitamin D associationvitamin d deficiencyVitaminDukVitaminDWikivlogwilliamWPAYouTubeRelated Posts Did Your Allergies Get Worse After COVID? Watch This February 26, 2026 There may be a universal vaccine in the future. #science #vaccine #doctor February 21, 2026 The Immune Shift No One Explains After COVID February 19, 2026 Doctor Reacts: Covid masks in 2026?! February 19, 2026 ‘Particularly capricious’: Doctor weighs in on undermining of mRNA technology February 15, 2026 COVID’s Hidden Impact: Immune System Triggers Explained #shorts January 30, 2026