Researchers worldwide are only beginning to uncover the many essential roles that vitamin K2 plays in our health. Our growing understanding of this nutrient is rapidly redefining cardiovascular disease as an illness of nutritional deficiency. In addition, a vitamin K2 deficiency appears to be an underlying factor in the development of diabetes and liver cancer. Vitamin K2 also plays an essential role in bone metabolism and promoting healthy teeth. For most people, diet alone will not help them meet their daily requirement of vitamin K2.