symptoms worse after b12 injections Vitamin Deficiency Feeling worse after B12 Injection:

No aspiration is required

Previous Gastric Surgery: Procedures like gastric bypass can reduce the stomach's ability to produce intrinsic factor and absorb B12

Who Should Consider B12 Vitamin Shots

Benefits of vitamin B12/lipoden & B12 injections When youre under our supervision and receiving our recommended dose of injections 1-2 times a week, you can expect to burn fat, increase your metabolism, and give your body an energy boost

Kira, J., S

You should start to see improvements within a few days to a week, however if you do not feel the effects after 2-3 injection sessions, then it is likely that you were and are not deficient in B12