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 in Friso, Sherman, Anna. and Sunnyvale, TX 10 benefits of taking vitamin b12 injections 1. Improves metabolism and supports weight loss 2. Helps against anxiety and depression 3. Increases red blood cells 4. Healthier hair, skin, and Now offering Vitamin B12 injections at The Best You Owen Sound! Boost your energy levels, support a healthy metabolism, and improve mental clarity and mood all with a quick, CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL