how fast does a b12 injection work Quickly Do Shots Work? B12 Injections for Weight Loss:

During this consultation, we will assess your health needs and discuss your goals to create a personalized treatment plan

Frequency depends on your personal health needs and goals

Dosing information Usual Adult Dose for Pernicious Anemia: Initial dose: 100 mcg intramuscularly or deep subcutaneous once a day for 6 to 7 days If clinical improvement and reticulocyte response is seen from the above dosing: 100 mcg every other day for 7 doses, then: 100 mcg every 3 to 4 days for 2 to 3 weeks, then: Maintenance dose: 100 to 1000 mcg monthly Duration of therapy: Life Comments: Administer concomitant folic acid if needed

This ensures each adult patient gets the best treatment

Vial Duration: Single 10 mg vial lasts 24 days at standard doses