max dose b12 injection CYANOCOBALAMIN INJECTION, USP 30000 mcg/30 mL (1000 mcg/mL) 30 mL VIAL Vitamin B12 Injection Dose: 7

After a single hydroxocobalamin injection, therapeutic levels can be maintained for approximately 8 to 12 weeks in most patients, which aligns with the standard maintenance schedule of injections every 2-3 months recommended in the British National Formulary (BNF)

Each mL contains Cyanocobalamin 1000 mcg, sodium chloride 9 mg and benzyl alcohol 0.015 mL in water for injection

Concerns about IGF-1 include potential effects on cancer risk, acromegalic changes with chronic elevation, and metabolic disruption

Drinking water upon waking, waiting 15-20 minutes, then injecting may reduce dizziness

However, certain medications might influence how well the vitamin B injection works