are b12 injections intramuscular Administering a Injection : 5 Steps How to Inject Vitamin B12

Limits of the workup A B12 value alone neither confirms nor excludes malignancy, and clinical judgment decides whether to observe, repeat, evaluate further, or refer

Unlike other vitamins, the absorption of vitamin B12 depends on a protein produced in your stomach, called intrinsic factor

While most people can benefit from a B12 injection, certain groups of people may see more obvious benefits than others: People With Signs Of B12 Deficiency Any person with the signs or symptoms of a B12 deficiency should pay a visit to their doctor, but an injection may still provide them with benefits

your provider may also check methylmalonic acid (MMA) or homocysteine for a more complete picture