Sixty seconds on . . . vitamin D

What did NICE say? NICE’s summary, which looked specifically at emerging evidence on the role of vitamin D in relation to covid-19, concluded that there is currently no evidence to support supplements reducing the risk or severity of covid-19.2 The Scientific Advisory Commission on Nutrition also studied whether vitamin D supplementation could reduce the risk of acute respiratory tract infections other than covid-19, and concluded that the jury was still out.3 Any more bones you can throw me? Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data. Vitamin D supplementation to prevent acute respiratory infections: systematic review and meta-analysis of aggregate data from randomised controlled trials.