Chlorophyll is a blood builder and is also effective against anemia which is caused by the deficit of red blood cells in the body. Cancer: Chlorophyll is effective against cancer such as human colon cancer and stimulates the induction of apoptosis.lood clotting: Chlorophyll contains vitamin K which is vital for normal clotting of blood. It is used in naturopathy for the treatment of nose bleeds and for the females suffering from anemic conditions and heavy menstrual bleeding.