Vitamin K helps build bone metabolism and is essential for ~blood~ clotting. Its sources are green leafy |vegetables|, tomatoes, cabbage, peas, cauliflower, |liver|, and milk. The USRDA for an adult male is 70-140 micrograms (mcg.), for an adult female 70-140 mcg., for adolescents 50-100 mcg., and for infants and young children 12-60 mcg.
