The Wellnest Family Clinic Feeling low on energy or run down? Nutrient deficiencies like Vitamin B12 and Vitamin D can sometimes play a role. Vitamin injections Instagram 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 Do You Travel with B12 Injections? B12 vitamin Store How to inject B12 in your arm