The effect of vitamin D supplementation in treatment of children with autism spectrum disorder: a systematic review and meta-analysis of randomized controlled trials
Li B, Xu Y, Zhang X, Zhang L, Wu Y
Published in Nutritional Neuroscience
Methodology
Meta-analysis of randomized controlled trials of vitamin D supplementation in children with ASD; 5 RCTs (349 children) reviewed, 3 pooled.
Key Findings
Vitamin D supplementation produced a small but significant improvement in hyperactivity scores; effects on core autism symptom scales were not consistently significant.
Conclusions
Vitamin D may modestly improve some associated symptoms in children with ASD, but evidence for core symptoms remains limited.
Limitations
Few pooled trials, heterogeneous dosing and baseline vitamin D status, varied outcome instruments.
Supplements Studied
Vitamin D supplementation indicated a small but significant improvement in hyperactivity scores.
Related Health Concerns
Study Details
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Disclosures
Funding
Not specified
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