Research library / Vitamin D

Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data

A Martineau, D Jolliffe, R Hooper, L Greenberg, J Aloia, P Bergman et al.. BMJ. 2017.

Published 2026-10-15Sources checked 2026-10-151 sourceEverstack research teamHow we work

In plain language

Vitamin D modestly reduced acute respiratory infections, most in very deficient people with daily or weekly dosing.

Limits

Heterogeneous trials; small overall effect.

Source

doi.org/10.1136/bmj.i6583 · PubMed 28202713 · Free full text

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