ndc code for b12 injection CYANOCOBALAMIN INJECTION, USP 30000 mcg/30 mL (1000 mcg/mL) 30 mL VIAL Vitamin B12 Injection5000 mcg/mL Injectable

Ferritin (Iron Stores) Target: Common functional target around 80-100 ug/L (interpret locally) Why it matters: Improved red cell production during B12 treatment requires adequate iron availability

Citations are provided for informational purposes and do not constitute medical claims

Early biomarker response and patient preferences to oral and intramuscular vitamin B12 substitution in primary care: a randomised parallel-group trial

Hydroxocobalamin injections are the UK first-line treatment, administered intramuscularly to ensure reliable B12 delivery independent of gut absorption

Weekly shots are kept up for weeks to keep Vitamin B12 levels stable