are there side effects of b12 injections Vitamin Injection and Safety What Does a B12 Shot

M., & British Committee for Standards in Haematology

COA included on request

If the cause isn't dietary then it is an absorption problem so you need to find another way of replenishing B12 initially

Standard AOD-9604 Dosing Protocol Subcutaneous Injection Dosing: Beginner: 250 mcg per dose, once daily Intermediate: 300-400 mcg per dose, once daily or divided into two doses Advanced: 500 mcg per dose, once daily or 250 mcg twice daily Oral Administration Dosing (if using oral formulation): Standard: 1-2 mg per dose, once daily on empty stomach Higher protocols: Up to 5-10 mg daily, as studied in clinical trials Frequency: Once daily (morning preferred) or twice daily (morning and early afternoon) Timing: Best administered on an empty stomach, typically upon waking or before exercise Cycle Length: 12-16 weeks for initial assessment, with potential for longer protocols based on response Off Cycle: 4-8 weeks between cycles, though not strictly required based on current research Note: Start at the lower end of the dosing range to assess individual tolerance