As noted above, 5, 6 cheese, which provides the longer-chain menaquinones (MK-8 and MK-9), is the primary source of dietary K2 in this population. 59 Most recently, in a paper published in 2010, Nimptsch et al. extended their analysis of the EPIC-Heidelberg data to other cancers and found all major forms of cancer, except breast cancer, were inversely associated with K2 intake. 60 Two VKD-proteins