Methylcobalamin B12 Injection in Beverly Hills, Arcadia and Los Angeles County California Infusion Centers VetOne Vitamin B 12 3000 mcg mL Injection, 100 ml Allivet Cyanocobalamin Vitamin B12 5000 mcg mL, 100 ml Allivet VITAMIN B12 (Generic) Injectable Solution, 1000 mcg mL, 100 mL vial Easy Refills Chewy Rx Vitamin B12 Injection Sioux Falls, SD Vital Flow Infusions Vitamin B 12 Cyanocobalamin Injection 1000 mcg mL Med Plus Physician Supplies