The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
if we look at epidemiology especially the Rotterdam study you see this clearly the more vitamin k2 people had again this is an observational epidemiology you study the more vitamin k2 people had the less incidence of coronary heart disease and the less incidence of aortic valve calcification they had
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vitamin k2 is really only found in animal foods so what they're saying with this observational study or the hypothesis that you can draw from that is wait a minute you know everybody not just you know colloquially quote unquote everyone thinks or a lot of people in the media or that consume mainstream media believe that animal foods are bad for us but here's a nutrient that's essentially only found in animal foods and i'll qualify that in a moment that is associated again it's not causative but it's a real strong association for which the most compelling hypothesis by far is that this vitamin is essential for the movement of calcium in the human body and if you don't have enough vitamin k2 from animal foods you're going to develop more heart disease and more calcification of the aortic valve
K2 appears to be essential for calcium partitioning in the human body and there's interesting studies like the Rotterdam study which suggests the people who get more vitamin K2 which is sound essentially only in animal Foods there's one exception which is natto which is fermented soybeans but it's from the bacteria in the natto not the soybeans but more K2 is associated with significantly less coronary artery disease and less calcification of the aortic valve
there's research on vitamin K2 specifically rdam study which is an observational study showing that those people who consume the most vitamin K2 found only in animal Foods there's no one in Rotterdam eating NATO I don't think have Associated improvements in cardiovascular disease and calcific aortic sclerosis
what they found in the study was the people who ate the most vitamin K2 had the lowest mortality the lowest rates of cardiovascular disease that's heart disease and the lowest rates of calcification of the aortic valves
vitamin K including vitamin K2 which has been consistently associated with better cardiovascular outcomes in humans
this study really consistently Associates the consumption of fatty animal Foods the rdam study consistently Associates the consumption of fatty animal foods with better longevity lower mortality lower morbidity in terms of cardiovascular morbidity and lower calcification of the aortic valve
I mean, vitamin K2, if you don't know about vitamin K2, it's been associated with lower rates of calcific. So, calcification of the aortic valve and cardiovascular mortality in the Roderdam study.