Vitamin K is a fat-soluble vitamin that plays a crucial physiological role in the human body. There are two main forms of vitamin K: Vitamin K1 and Vitamin K2. The primary function of vitamin K is to participate in the blood clotting process. During blood coagulation, vitamin K is involved in the synthesis of clotting factors, helping the blood to form clots at the site of injury to stop bleeding. Therefore, vitamin K is essential in preventing or treating clotting-related issues. Additionally, vitamin K also plays a role in bone health. It aids in the synthesis of proteins in the bones, maintaining bone density and structure. Adequate intake of vitamin K can help prevent fractures and bone diseases.