do b12 injections cause diarrhea Are Vitamin Shots Right for You? Sublingual B12 vs. B12 Injections:

It helps in red blood cell formation, cell metabolism, nerve function and the production of DNA

Upon measuring grip strength, the researchers found that treatment on its own in sedentary mice increased grip strength by about 25%, compared to exercise alone increasing grip strength by about the same percentage

That is a conversation to have with your GP or a specialist haematologist, not a reason to add a private injection on top of an NHS schedule without telling either provider

From Wikipedia, the free encyclopedia AOD9604 is an orally active, lipolytic 16-amino acid peptide fragment of human growth hormone and derivative of the C-terminal domain of human growth hormone (HGH)