Matrix Gla-protein, a vitamin K-dependent protein, prevents atherosclerotic plaques by binding calcium phosphate crystals in the blood.

“Well, one of the proteins that's vitamin K-dependent is something called matrix Gla-protein, and the function of that is to bind calcium phosphate crystals, which form very easily in the blood and is the beginning of an atherosclerotic plaque, and prevent it causing an atherosclerotic plaque.”