Rx Vitamins B12 for Dogs and Cats Dog Digestive Support for Improved Metabolic Process Pure B12 for Cats to Support Nervous System Ideal for Your Dog Vitamins and Cat Supplies 4oz Rx Vitamins B12 for Dogs and Cats Dog Digestive Support for Improved Metabolic Process Pure B12 for Cats to Support Nervous System Ideal for Your Dog Vitamins and Cat Supplies 4oz Compounded Cyanocobalamin (Vitamin B12) Injection Empower Vitamin B12 Monthly Injection Dose: Typical Dosages & Administration Methods Liv Hospital Cyanocobalamin Vitamin B12 Injection 1000 mcg Mountainside Medical CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL