Apart from helping in the absorption of calcium, Vitamin D is also responsible for maintaining adequate calcium levels in the blood. For this, Vitamin D either starts absorbing more calcium from the food you eat or drawing calcium from the bones, which generally happens when your calcium intake is quite low.

However, the level of calcium in the body is not regulated by Vitamin D. Here is where Vitamin K comes to play its role. Vitamin K activates a protein called osteocalcin. This protein is responsible for the accumulation of calcium in your bones and teeth. Besides, Vitamin K also prevents the accumulation of calcium in soft tissues by activating another protein called matrix GLA.