WELCOME news prior to the onset of winter cough and cold season, vitamin D supplementation has been shown to be safe and protect against acute upper respiratory tract infection (URTI) overall, according to a study published in the BMJ last week.
The systematic review and meta-analysis examined 25 eligible randomised placebo-controlled trials involving a total of 11,321 participants, aged 0 to 95 years.
"The body of evidence contributing to these analyses was assessed as being of high quality" the authors wrote.
Visit bmj.com to access the study.
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