SYNOPSIS: Large-scale observation data indicate an inverse association with circulating vitamin D levels and risk of death due to all causes, particularly cardiovascular and cancer-related death, while supplementation with vitamin D3 appears to reduce overall mortality among older adults.
SOURCE: Chowdhury R, et al. Vitamin D and risk of cause specific death: Systemic review and meta-analysis of observational cohort and randomised intervention studies. BMJ 2014;348:g1903. doi: 10.1136/bmj.g1903.