The Utility of Vitamin D in Relation to Covid-19

About Vitamin D & the Immune System Vitamin D has various forms. It’s inactive or initial form cholecalciferol is produced in the skin when exposed to sunlight, and can also  be ingested from a few natural foods including: fatty fish, mushrooms exposed to sunlight, and supplements including those commonly added to cow’s milk found in… Continue reading The Utility of Vitamin D in Relation to Covid-19