Vitamin D Magnesium and B12 – A Cohort Study from Singapore Researchers from Singapore found a significantly reduced severe disease in patients administered Vitamin D, Magnesium, and Vitamin B12. They found that 17 out of 100 COVID (50+) patients receiving DMB were expected to progress to oxygen therapy or ICU help compared to 62 patients were expected to become severe out of 100 that did not receive DMB. Let’s review this study.