Vitamin D supplements may reduce the chance of developing a chest infection

Vitamin D supplements may reduce the chance of developing a chest infection – NIHR Signal (free)

Original article: Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data – The BMJ (free)

“Daily or weekly vitamin D supplements reduced chest infections, but one-off monthly dosing gave no benefit”. (RT @NIHR_DC see Tweet)