The Efficacy of Vitamin D Supplementation for Migraine: A Meta-Analysis of Randomized Controlled Studies.
Authors not in graph record · peer-reviewed
Study design and participants
- Design
- meta-analysis of RCTs
- Sample size
- 5
- Population
- adults with migraine
- Intervention and protocol
- varies across trials
Results
- Vitamin D → migraine frequency: positive; effect size not reported.
Limitations, bias, and funding
Risk of bias: moderate
Funding: not reported
- Recorded risk of bias: moderate.