A trial by the University of Eastern Finland found that taking a much higher dose of vitamin D than recommended for five years did not affect total mortality or the incidence of cardiovascular disease or cancer in older men and women.
In population studies, low levels of vitamin D in the body have been linked to an increased risk of many chronic diseases as well as premature death. However, it cannot be directly deduced from such observational studies whether the use of vitamin D supplementation can reduce the risk of disease or death. The early 2010s saw the commencement of large-scale vitamin D trials in several countries examining the effects of higher than recommended doses of vitamin D on the risk of developing diseases. One of these was the Finnish Vitamin D Trial (FIND) conducted at the University of Eastern Finland in 2012-2018.
In the FIND trial, 2,495 participants (men 60…