Vitamin K is a group of structurally similar, fat-soluble Vitamins the human body requires for Complete Synthesis of certain proteins that are prerequisites for blood coagulation and which the body also needs for controlling binding of calcium in bones and other tissues.
Vitamin K is actually a group of compounds. The most important of these compounds appears to be vitamin K1 and vitamin K2.
Vitamin K1 is obtained from leafy greens and some other vegetables.
Vitamin K2 is a group of compounds largely obtained from meats, cheeses, and eggs, and synthesised by bacteria.
Low levels of vitamin K can raise the risk of uncontrolled bleeding. While vitamin K deficiencies are rare in adults, they are very common in newborn infants. A single injection of vitamin K for newborns is standard. Vitamin K is also used to counteract an overdose of the blood thinner coumadin.
Vitamin K is necessary for the production of blood clotting factors and protiens necessary for the calcification of bone.
because vitamin K is fat soluble, patients with fat malabsorption, especially in biliary obstruction or hepatic desease, may become deficient. Menadiol sodium phosphate is a water soluble synthetic vitamin K derivative that can be given orally to prevent vitamin K deficiency in malabsorption syndromes.
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