Vitamin B12 (Cyanocobalamin)
Introduction A kind of vitamin B12 called cyanocobalamin is used to treat and prevent vitamin B12 insufficiency, with the exception of situations in which cyanide toxicity is present. The deficiency can be brought on by intestinal cancer, fish tapeworm, pernicious anemia, or after stomach surgery. It can be used topically, intramuscularly, or as a nasal…