can b12 injections be dangerous Shots for Energy and Wellness: What to Know Before You Try Them What Happens If You Inject

The underlying biochemistry is real

When the anemia is severe and the red blood cell count is extremely low, blood transfusions may be necessary for the first couple of days until the vitamin B 12 injections begin working

The metabolic support process develops progressively over weeks to months, with optimal results requiring consistent administration alongside proper nutrition and exercise

For people whose deficiency is caused by an absorption problem, injections are the more dependable option

You might feel a little bit of soreness at the injection site afterward, similar to any other shot, but it usually fades very quickly

Clinical evaluations and lab tests help us see if the treatment is effective and if we need to make changes