Vitamin D and Cardiometabolic Outcomes: A Systematic Review

Meta-analysis.

Link: http://​​www.ncbi.nlm.nih.gov/​​pmc/​​articles/​​PMC3211092/​​

From conclusions:

“An association between vitamin D status and cardiometabolic outcomes is uncertain. Trials showed no clinically significant effect of vitamin D supplementation at doses given.”