In his presentation, Dr. Cees Vermeer will explain that vitamin K insufficiency is widespread among the Western population and that increased vitamin K2 intake may improve public health and prolong life expectation. In the second part of his talk he will comment on some recent studies performed at VitaK, Maastricht University, underpinning the conclusion that MenaQ7 is the only vitamin K supplement of which health effects have been demonstrated in a 3-year clinical trial.