Answer:
Vitamin K
Explanation:
Vitamin K is a fat soluble vitamin and plays an important role in the bone metabolism. Two important compounds of Vitamin K are Vitamin K1 and Vitamin K2.
Vitamin K is synthesized in the liver and helps in the coagulation of blood. Vitamin K acts as a coenzyme for vitamin K-dependent carboxylase. This enzyme is important for the synthesis of proteins that are involved in blood coagulation and bone metabolism.
Thus, the correct answer is option (C).