Vitamin K is the name for a family of compounds known as the phylloquinones (vitamin K1) and menaquinones (vitamin K2). Vitamin K is involved in regulating blood homeostasis by controlling clotting. It also plays critical roles in bone formation and remodeling as well as working synergistically with vitamin D..
Vitamin D has been a subject of great discussion and investigation over the last several decades. Vitamin D plays many critical roles in human health, including immune function, bone formation, and calcium metabolism. One of the more well-known diseases that arises from vitamin D deficiency is rickets, which is one of the first diseases that was tied directly to a nutrient deficiency (https://paperpile.com/c/cZDv7y/lfvq8McCollum et al., 1925)https://paperpile.com/c/cZDv7y/lfvq8. In humans, vitamin D can be manufactured in the body through the conversion of cholesterol (7-dehydrocholesterol) to the active form of vitamin D (D3) by sunlight. Vitamin K & D are found in our combination VITAMIN K+D3 supplement.