Cobalamin and folate that they affect the body in two closely related, and a lack or in excess, can affect the level of other nutrients. For example, a person with low cobalamin levels may develop a folate deficiency. Cobalamin deficiency will worsen his or cobalamin only possibility of folate supplements its diet with the current low levels any. It is important to get adequate levels of both cobalamin and folate. Of folate through diet or supplements or if consumed in large quantities, characteristics that appear to be otherwise modified by existing cobalamin deficiency can hide. Cobalamin is the common name for vitamin B -12. The fish, poultry, meat, eggs and animal products like milk, is available. It is added to cereals and breads, and is present in the basic vitamin formulations. Cobalamin recommended daily allowance of 2.4 micrograms (mg) daily.