According to a report of the Instit

According to a report of the Institute of Medicine (IOM),vitamin D at doses of 600 IU/day is beneficial for the bones,but it is not certain if higher doses could reduce the risk
of chronic diseases, including cancer and cardiovascular pathology [17]. A threshold effect between vitamin D status and cardiovascular risk was suggested [11]. Zittermann et al.found a vitamin D level of 30–35ng/L as the best choice for risk reduction in cardiovascular mortality [18].