The mineral essential for blood clotting is vitamin K, although it is often referred to as a vitamin rather than a mineral. This vital nutrient plays a crucial role in synthesizing proteins that stabilize blood coagulation. When an injury occurs, vitamin K helps activate specific clotting factors in the liver, leading to the formation of fibrin, which binds platelets together to form a clot. A deficiency in vitamin K can result in excessive bleeding and bruising, highlighting its importance in maintaining hemostasis and overall cardiovascular health. Foods rich in vitamin K include leafy greens and fermented products.