All things considered, vitamin D optimization is likely the easiest, least expensive and most beneficial strategy that anyone can do to minimize their risk of COVID-19 and other infections in the coming months. Health authorities are already warning of a second wave of COVID-19 in the fall, which means the time to start addressing your vitamin D level is NOW. We also have a pandemic of vitamin D deficiency, as more than 1 billion individuals worldwide, across all age groups, are deficient in vitamin D. Vitamin D deficiency has now been identified as a significant risk factor for positive COVID-19 status, severe COVID-19 infection and death thereof. In one study, which looked at data from 780 hospital patients in Indonesia, those with a vitamin D level between 20 nanograms per milliliter (ng/mL) and 30 ng/mL had a sevenfold higher risk of death than those with a level above 30 ng/mL. Having a level below …