Vitamin K is also made by the bacteria lining the gastrointestinal tract. Vitamin K is known as the clotting vitamin, because without it blood would not clot.
Some studies indicate that it helps in maintaining strong bones in the elderly.
The best way to get the daily requirement of essential vitamins is to eat a balanced diet that contains a variety of foods from the food guide pyramid . Vitamin K deficiency is very rare. It usually only occurs when there is an inability to absorb the vitamin.