Your body cant make B12 on its own, so it must be absorbed through food or supplements [*]
The problem is that you might not notice a difference at first
Some people move from one treatment to another over time - for example, using Mounjaro before surgery to reduce risk, or after surgery to manage weight regain
The benzyl alcohol component is effective in limiting microbial growth, but concentrations are kept low (0.9%) to avoid altering compound stability under research conditions
Mount Sinai, Vitamin B12 deficiency anemia, Niranjan N Singh, Florian P Thomas, Alan L Diamond at al, Vitamin B12-Associated Neurological Diseases, Medscape Mathew, A.R
If you are unsure whether B12 injections are right for you in the first place, that starts with your GP and a blood test, as set out in the NHS treatment pathway