are vitamin b12 injections given im or sq Methylcobalamin Injection (Vitamin B12) Vitamin B12 Injection Sites: All

The RDA only tells you the minimum amount needed to avoid deficiency in most healthy people

Where can I get B12 injections

J Clin Endocrinol Metab 89:114120

Standard AOD-9604 Dosing Protocol Typical Dosing Range: Standard Dose: 250-500 mcg per day Clinical Trial Dose: 1 mg (1,000 mcg) per day (most effective in studies) Conservative Start: 250 mcg per day for first week Maintenance Range: 500 mcg per day for sustained protocols Frequency: Once daily, typically before breakfast Timing Rationale: Morning fasted state maximizes fat oxidation potential Cycle Length: 12-24 weeks for body composition protocols Administration Route: Subcutaneous injection (abdomen, thigh, or upper arm) Reconstitution: Bacteriostatic water, standard peptide protocols Note: Clinical trials used oral formulations, but subcutaneous administration is more common in current use due to improved bioavailability

The differences matter more for older adults than for the general population