Vitamin B 12 Cyanocobalamin Injection 1000MCG mL 30 mL MDV Med Plus Physician Supplies Is a 1 mg intramuscular vitamin B12 injection safe for a pregnant woman with confirmed B12 deficiency and no known cobalamin allergy or severe renal hepatic impairment? The New Vitamin B12 Deficiency Test B12 vitamin Store How to inject B12 in your arm CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL