Vitamin K is oily liquid or solid, insoluble in water, soluble in oil and ether and other organic solvents, chemical properties more stable, heat and acid resistance, but easy to be alkali and ultraviolet decomposition.The human body needs less vitamin K, but the newborn is easy to lack, is an important vitamin to promote normal blood coagulation and bone growth.Dark green vegetables and yogurt are easily available supplements of vitamin K in the diet.The human body needs very little vitamin K, but it is to maintain the normal coagulation of blood function, reduce menstrual bleeding, but also can prevent internal bleeding and hemorrhoids.People with frequent nosebleeds should get more vitamin K from natural foods.

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