Vitamin B 12 Cyanocobalamin Injection 1000MCG mL 30 mL MDV Med Plus Physician Supplies Vitamin B12 (Cyanocobalamin) 1000Mcg ML Still taking vitamin B12 injections? Move over shot. A pill may be just as good. Dr. Leslie Greenberg's Blog Vitamin B 12 Cyanocobalamin 1,000 mcg mL Intramuscular or Subcutaneous Injection Multiple Dose Vial 30 mL Cyanocobalamin (B12) Injection 1000 mcg mL, Multiple Dose Vial 30 mL McGuff