From the Journals

New Meta-Analysis Updates Vitamin D Evidence

This meta-analysis of 46 randomized trials found no statistically significant effect of vitamin D supplementation on acute respiratory infection prevention overall or across subgroups.

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Daily vitamin D supplementation in children aged 1 to 15 years may be associated with a reduced risk of acute respiratory infections, as indicated by a recent systematic review and meta-analysis. However, no overall protective effect was observed across all age groups, and the updated findings suggest that current evidence does not support the routine use of vitamin D solely for the prevention of acute respiratory infections. Lead study author, David A. Jolliffe, PhD, and colleagues concluded that no statistically significant reduction in ARI risk with vitamin D supplementation was demonstrated.

Original Source(s)

New Meta-Analysis Updates Vitamin D Evidence

This meta-analysis of 46 randomized trials found no statistically significant effect of vitamin D supplementation on acute respiratory infection prevention overall or across subgroups.

  • by Kathryn Wighton

  • April 11, 2025

  • 3 min

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