Effects of Serum Vitamin D Levels and Vitamin D Supplementation on Urticaria: A Systematic Review and Meta-Analysis
Li Y, Cao Z, Guo J, Li Q, Su J
Published in International Journal of Environmental Research and Public Health
Abstract
Systematic review and meta-analysis of vitamin D status and supplementation in urticaria.
Methodology
Seventeen observational comparisons and six supplementation trials were synthesized.
Key Findings
Urticaria patients had lower vitamin D levels, and pooled supplementation trials reported reductions in clinical urticaria scores.
Conclusions
Vitamin D may have adjunctive benefit in urticaria, although certainty is limited by heterogeneous small trials.
Limitations
Few supplementation trials; heterogeneous doses, durations, and urticaria populations; observational associations do not establish causation.
Supplements Studied
Six VitD supplementation trials showed a significant reduction in clinical urticarial score on intervention with VitD.
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.