The correct answer is Vitamin K. Vitamin K is a fat-soluble vitamin that is essential for blood clotting. It is also involved in bone metabolism and the production of proteins that are necessary for blood clotting. Vitamin K is found in green leafy vegetables, broccoli, Brussels sprouts, cabbage, and liver. It can also be taken as a supplement.
Vitamin A is a fat-soluble vitamin that is essential for vision, skin, and immune function. It is not involved in blood clotting.
Vitamin C is a water-soluble vitamin that is essential for the formation of collagen, a protein that is found in skin, bones, and connective tissue. It is also involved in the absorption of iron and the production of white blood cells. Vitamin C is not involved in blood
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