The synergy between magnesium and vitamin D is critical for optimal immune function and overall health—especially as it pertains to lowering your risk of COVID-19. Previous studies have also highlighted the role this duo plays in cognitive function among older adults, as well as overall mortality. Those findings are important, especially as the link between low vitamin D levels and various diseases, including severe COVID, continue to grow. In fact, people taking vitamin D, or doing what they can to raise their vitamin D levels, may not be getting the benefits their seeking because they are not also ensuring adequate magnesium intake. Protecting Cognitive Health One such study, “Association of Vitamin D and Magnesium Status with Cognitive Function in Older Adults: Results from the National Health and Nutrition Examination Survey (NHANES) 2011 to 2014,” points out that vitamin D not only protects neuronal structures and plays a role in neuronal …