Since the beginning of the COVID-19 pandemic there has been a lot of speculation about the role of vitamin D in bringing down your risk of and preventing infection. Though many say that the role of this vitamin is negligible in warding off viral infections others say that it may play a major role in this. According to a study by Irish researchers there is a significant association between vitamin D levels and mortality from COVID-19. Scientists from Trinity College Dublin say that vitamin D can support the immune system through a number of immune pathways involved in fighting SARS-CoV-2.