can b12 injections make you nauseous Feeling worse after Injection: Answering concerns Are Vitamin B12 Shots Right

E., et al

Report substrate and SAM concentrations alongside any IC so results can be compared with the published values

Risks While B12 injections are generally considered safe, especially when administered under medical supervision, there are some potential risks and side effects to be aware of: Pain, Redness, or Swelling at the Injection Site: This is the most common side effect and is usually mild and temporary

Potential causes include: Excessive supplementation Liver disease Certain types of leukaemia or cancers Kidney disease High levels require further investigation to rule out underlying medical conditions

Before filling, each vial is properly washed, sterilized and dried