Light therapy and vitamin D for seasonal affective disorder: a systematic review
Nussbaumer-Streit B, Forneris CA, Morgan LC, Van Noord MG, Gaynes BN, Greenblatt A
Published in Cochrane Database of Systematic Reviews
Methodology
Cochrane review of randomised trials of preventive interventions including vitamin D and light therapy for recurrent seasonal affective disorder.
Key Findings
Evidence for vitamin D in preventing winter depression was of very low quality and showed no clear benefit over placebo.
Conclusions
Vitamin D alone is not established for seasonal mood prevention.
Limitations
Very low certainty evidence; few trials.
Supplements Studied
Evidence for vitamin D in preventing winter depression was of very low quality
Outcomes Measured
Evidence for vitamin D in preventing winter depression was of very low quality and showed no clear benefit over placebo
Related Health Concerns
Study Details
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