can b12 supplements be as effective as injections The Advantages of Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine How B12 Injections Can Be

It most often affects the lower back (lumbar spinal stenosis) and the neck (cervical spinal stenosis), and it is one of the most common reasons adults over 50 experience leg pain, back pain, weakness, or trouble walking

Discomfort in Some Users : Depending on the amount of fat and muscle in your thighs, some people may experience more discomfort during the injection

B12 shots, you would choose the latter if you feel tired because of anemia or if you dont eat enough of the foods that provide this vitamin

I felt overall out of it & something was not right. I was sitting down, but I was lightheaded to the point of not being able to move my head side to side because it made me extremely dizzy