self-administered vitamin b12 injections at Home - Safety Guide for Self-Administration Best Vitamin B12 Injection Sites:

It does not cover all possible uses, actions, precautions, side effects, or interactions of the medications shown, nor is the information intended as medical advice or diagnosis for individual health problems or for making an evaluation as to the risks and benefits of using a particular medication

If youre on long-term high-dose B12 therapy and have risk factors for kidney disease, some people find it helpful to add antioxidant support like vitamin C, E, or selenium

Some patients may experience numbness or lumpiness that can persist for four to six weeks or longer

Total gastrectomy

Some common side effects include: Pain at injection site Mild diarrhea Itching Feeling of body swelling Low potassium High blood pressure Storage Store at controlled room temperate

For people with malabsorption issues , the difference is dramatic