What are Vitamin B12 injections Vitamin B12 injections are used to quickly raise your B12 levels when they're low or when your body can't absorb it properly from food or tablets. What B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Vitamin B12: How Frequently Should I Get It? URBAN Medical Fishersville, VA and Gilbert, AZ B 12 Shots Vitamin B 12 Shots NOW Vitamins and Supplements Vitamin B D B12 Injections Near Ne Wilmington Urgent Care Clinic Wilmington Urgent Care And Family Clinic How Quickly Does B12 Shot Work? Does It Help to Lose Weight?