Insert the Needle : IM Injection : Technique : Hold the skin taut by stretching it between your thumb and forefinger
Most common route Oral capsule, 50 to 150 mg per day, taken in the morning
$50 Super Hero B Complex + B12 Energy boost designed to support mood, metabolism, and energy levels
Get the details in the Folate section of our B Vitamin Supplements Review, including our Top Picks for folate and folic acid and for other B vitamins

Vitamin B12 shot may be prescribed to prevent or treat the following: Pernicious anemia (a condition in which there are low red blood cell counts due to an abnormality in B12 absorption by the intestines) Megaloblastic anemia (a type of anemia in which there are very large red blood cells called megaloblasts) Cognitive disorders, such as dementia (a disorder characterized by problems with memory, problem-solving abilities, language, etc.) Disorders that affect B12 absorption, such as pancreatic diseases, intestinal infections, Crohns disease, and tropical sprue Cardiovascular disease risk (by lowering blood homocysteine levels, which is a compound associated with an increased risk of heart problems) Multiple sclerosis symptoms Bells palsy recovery B12 deficiencies related to: Weight loss Vegan or restrictive diets Surgery to remove the part of the stomach or the ileum (the last part of the small intestine) Energy and endurance What are signs of vitamin B12 deficiency