b12 3000 mcg injection Vitamin B-12 Injection, 5,000 mcg/mL, 100 ml 000 mcg/mL of vitamin B Vedco Inc. - VITAMIN B-12

It may overdrive metabolic processes initially

It may be possible to treat the underlying disease by surgical correction of anatomic lesions leading to small bowel bacterial overgrowth, expulsion of fish tapeworm, discontinuation of drugs leading to vitamin malabsorption (see Drug/Laboratory Test Interactions), use of a gluten free diet in nontropical sprue, or administration of antibiotics in tropical sprue

Anaemia, megaloblastic Treatment summaries (BNF/NICE)

If a patients situation is truly exceptional and a doctor can justify a deviation from the guidelines, it may be possible

If your B12 deficiency is not diet-related, you'll need to take B12 injections