Vitamin B12 Injections in Tulsa, Oklahoma Emerge There are so many benefits of Vitamin B12 and you may be deficient and not even know it! Come in and try a B12 injection today to feel the difference 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 The Ultimate Guide to Vitamin B12 Injections: Boost Your Well Being Wittmer Rejuvenation Clinic Self injecting vitamin B12. Quick and painless jabs after a B12 by Dr Caroline Palmer Medium