Vitamin K2 is really good for your heart. It helps keep your arteries flexible and prevents calcium from building up in them, which can cause heart problems. When you have enough Vitamin K2, it activates a protein called MGP that stops calcium and other minerals from sticking to your artery walls. One cool thing about Vitamin K2 is that it stays in your body for a long time and helps with more than just your liver. Some studies with women who have gone through menopause show