Vitamin K plays an important role in making sure blood has the ability to clot. A vitamin K deficiency can occur because of malnutrition, excessive alcohol intake or diseases that affect absorption in the digestive tract.
High levels of vitamin K in the body can result from dietary habits. Adults over the age of 20 require between 122 micrograms and 138 micrograms daily. Infants require 2.5 micrograms daily from birth until one year of age. Children and teens need between 30 micrograms and 75 micrograms daily until the age of 19. The existence and importance of vitamin K was first recognized in studies that revealed that chickens hemorrhaged when deprived of cholesterol in their diets.
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