The effect of vitamin D supplement on negative emotions: A systematic review and meta-analysis.
Ying-Chih ChengYu-Chen HuangWei-Lieh HuangPublished in: Depression and anxiety (2020)
Our results support the hypothesis that vitamin D supplementation can reduce negative emotions. Patients with major depressive disorder and individuals with vitamin D deficiency are most likely to benefit from supplementation. But to interpret the results with high heterogeneity should still be cautious.