Vitamin B12 or have other names cobalamin is one type of water-soluble vitamin and is part of the vitamin B complex. Called as cobalamin because the content of cobalt in it. Vitamin B12 is one of the vitamins that are needed by the body is vital. Type of vitamin B12 or cobalamin is a type of vitamin that is only found in animals. In plants do not contain vitamin B12. Therefore, for those