Key Points

• A newly published meta-analysis including 16 different studies and 1.26 million individuals, concluded that vitamin D had about a 60% effectiveness against the incidence of COVID-19 in randomized control trials, about 40-50% effectiveness in reducing the incidence of COVID-19 in observational studies, and for preventing severe COVID-19 cases requiring ICU care, vitamin D supplementation was about 70% effective
• The findings on vitamin D and many health outcomes can be seen as a threat to the current disease model of care in medicine
• Another recent review by Dr.