Rooster Booster B 12 Liquid 16 oz. Sharon's Monday Share! Liquid vitamin B 12 is a staple in all of our Foster Care Volunteers supplies. When kittens or puppies arrive, they are almost always given a vitamin B 12 injection for B12 vitamin Store Vitamin B12 1000mcg injection 10ml Vial for treating b deficiencies and general good health VetOne Cyanocobalamin Vitamin B 12 Sterile Solution, 1,000 mcg mL, 100 mL 100 mL B12 Shot The IV Lounge