RCT: Vitamin D supplementation is not beneficial for the prevention of cardiovascular disease and cancer.

Vitamin D supplementation and prevention of cardiovascular disease and cancer in the Finnish Vitamin D Trial-a randomized controlled trial – American Journal of Clinical Nutrition

News Release: Five years of high-dose vitamin D did not affect incidence of cardiovascular disease or cancer – University of Eastern Finland

Related:

Randomized Trial: Vitamin D Supplements and Prevention of Cancer and Cardiovascular Disease

Meta-Analysis: Vitamin D Not Effective for Cardiovascular Disease Prevention

Association between vitamin D supplementation and mortality: systematic review and meta-analysis – The BMJ

USPSTF Draft Statement: Insufficient evidence to recommend multivitamin supplements for the prevention of CVD or cancer. The statement also recommends against the use of beta-carotene (increases risk of CVD mortality and lung cancer) or vitamin E (clear evidence of no benefit)

Vitamin D, calcium, other vitamins, and supplements do not prevent cardiovascular diseases

Research: Circulating vitamin D concentration and risk of seven cancers

Research: Vitamin D and risk of total and site specific cancers