Boost Energy and Wellness with Rx B12 Injections 10 mg High Dose Vitamin B12 LifespanningRx Cyanocobalamin (B12) Injection 1000 mcg mL, Multiple Dose Vial 30 mL McGuff B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Cyanocobalamin (Vitamin B12) Injection Vitamin B 12 Injection, 1,000 mcg mL Do you follow a vegetarian diet? Did you know that vitamin b12 is mainly present in animal based products so those following a strict plant based are more likely to be deficient in vitamin