Helps keep bones strong, essential for blood clotting.
In most people, intestinal bacteria make much of the K needed. This vitamin is needed to make a protein that's essential for bone formation. Vitamin K is best known for its crucial role in blood clotting. In the great majority of people, beneficial intestinal bacteria make much of the K needed for this purpose, which is why you hear so little about this vitamin. But to get enough K, especially to keep bones strong, you need to eat some of these K-rich vegetables.