Over time, calcified plaque hardens and narrows the arteries, limiting the flow of oxygen-rich blood to vital organs such as the heart, brain, kidneys, and arms and legs. Plaques normally contain calcium that, ideally, should be bound to the bone mineral matrix (promoting bone health) instead of setting into arteries and soft tissues (increasing the risk for cardiovascular diseases). This calcification was once thought to be an age-related condition—that calcification simply builds up over time. However, NattoPharma contends that this condition, along with compromised bone health due to calcium not being properly utilized, are not simply age-related; but the product of a vitamin K2 deficiency. Here we will provide the substantial body of evidence confirming vitamin K2’s role as a cardiovascular-support nutrient. K2 as MK-7 Matters Most Vitamin K is a family of vitamins, the most important being vitamins K1 (phylloquinone) and K2 (menaquinones). Think of them as fraternal