Injection of Vitamins B 12. Ampoules with Red Liquid. Copy Space Stock Photo Image of laboratory, medicine: 253223720 Benefits of Vitamin B12 Injections for Skin VetOne Cyanocobalamin Vitamin B 12 Sterile Solution, 1,000 mcg mL, 100 mL 100 mL 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