B12 Injection sites + How to use B12 Shots Safely WHY GET A B12 SHOT? Supports energy production Helps concentration and mental clarity Important for healthy red blood cells Supports the nervous and immune systems May help B12 Injection sites + How to use B12 Shots Safely Dr. prescribed B12 injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r B12_Deficiency How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust Feeling run down, sluggish, or just not yourself? Vitamin B12 plays a key role in energy, metabolism, and overall wellness. Benefits of B12 Injections: Supports natural energy production Helps form