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 B12 Injections: How They Work and Who Needs Them Meo Nutrition Red liquid (vitamin B12) in a disposable syringe with a needle and in a glass ampoule on a white background. Lots of empty space Stock Photo Alamy Still taking vitamin B12 injections? Move over shot. A pill may be just as good. Dr. Leslie Greenberg's Blog B12 INJECTIONS WESTON HCG CENTER A Guide to the Best Needles for B12 Injections Precision Labs