Vitamin B-12 - Mayo Clinic Food sources of vitamin B-12 include poultry, meat, fish and dairy products Vitamin B-12 is also added to some foods, such as fortified breakfast cereals, and is available as an oral supplement Vitamin B-12 injections or nasal spray might be prescribed to treat vitamin B-12 deficiency
Vitamin B12 Fact Sheet for Consumers - Office of Dietary . . . Facts label to see how much vitamin B12 a supplement contains A prescription form of vitamin B12 can be given as a shot This is usually used to treat vitamin B12 deficiency Vitamin B12 is also available by prescription as a nasal gel that’s sprayed into the nose Am I getting enough vitamin B12?
VITAMIN B12 - Uses, Side Effects, and More - WebMD People over 50 years of age are advised to eat foods fortified with vitamin B12 or to take a vitamin B12 supplement 25-100 mcg daily has been taken by mouth to maintain vitamin B12 levels in