b12 injections hurt Do Hurt? Painful Shots Tips · PA Relief can b12 injections hurt you

For instance, one study noted that individuals who regularly took vitamin B12 supplements gained between 2.5 to 17 fewer pounds (1.2 to 7.7 kg) over a decade than those who didn't supplement

Vitamin B12 also assists with the production of red blood cells and can help prevent anemia, which occurs when the blood does not have enough healthy red blood cells to transport sufficient oxygen throughout the body

Clinical oversight required: Dosage adjustments, reconstitution, and injection technique should always be guided by a licensed provider

Other possible symptoms may include headache or tiredness

But its strength declines gradually after opening the vial