Cholecalciferol (vitamin D3) reduces mortality in adults; other forms of vitamin D do not

ACPJC article.
Bjelakovic G, Gluud LL, Nikolova D, et al. Vitamin D supplementation for prevention of mortality in adults.
Cochrane Database Syst Rev. 2011;(7):CD007470.

In meta-analysis, cholecalciferol (vitamin D3) reduced all cause mortality by 6% (NNT 161).