Natural Factors Vitamin K+D provides two major fat-soluble vitamins for bone and vascular health – bioactive and highly bioavailable vitamin D3 (cholecalciferol) and vitamin K2 (menaquinone-7 [MK-7]) from natto beans. Both vitamins act on calcium and guide the mineral toward where it is needed throughout the body.
 
Helps in the normal development and maintenance of bones and teeth 
Increases calcium absorption and helps guide calcium into bones 
Helps build strong bones and teeth 
Inhibits the calcification of arteries and other soft tissues 
Supports healthy immune system function 
Provides double-action support for bone and vascular health 
Ideal to use alongside calcium supplementation