Vitamin D supplementation to prevent asthma exacerbations: an updated systematic review and meta-analysis
Jolliffe DA, Stefanidis C, Wang Z
Published in The Lancet Respiratory Medicine
Methodology
Updated systematic review and individual participant meta-analysis of RCTs of vitamin D for asthma exacerbations.
Key Findings
Vitamin D did not reduce the rate of asthma exacerbations requiring systemic corticosteroids overall, reversing earlier positive pooled estimates.
Conclusions
Vitamin D is not an effective preventive treatment for asthma exacerbations in unselected patients.
Limitations
Few trials in vitamin D deficient subgroups; heterogeneity of dosing.
Supplements Studied
Vitamin D did not reduce the rate of asthma exacerbations requiring systemic corticosteroids overall.
Outcomes Measured
Vitamin D supplementation did not reduce the rate of asthma exacerbations requiring systemic corticosteroids.
Related Health Concerns
Study Details
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This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.