1 ml vitamin b12 injection for Cyanocobalamin 1,000 mcg, 25/Box (Rx) — Mountainside Medical 250 mL and 500 mL vials Provides 1 b12 booster injection 6 Early

Adults get 1000 mcg of vitamin B12 intramuscularly once a week

Vitamins | Treatment summaries | BNF NICE

B12 injections and how they work Vitamin B12 injections are administered intramuscularly or subcutaneously to treat or prevent deficiency

What are the benefits of Vitamin B12

Common B12 Injection Frequencies This table outlines typical B12 injection schedules based on the treatment goal, from correcting a severe deficiency to maintaining long-term wellness

These may include oral conditions such as gum disease or infections, systemic health issues such as diabetes, medication side effects, vitamin deficiencies or reflux