blood clot after b12 injection shots for weight loss: Do they work, risks, benefits, and more Everything You Need to Know
Description
B12 injections are the standard NHS treatment for proven vitamin B12 deficiency, not a routine wellness boost

Brain and nerve function

Long-term use of medications like proton pump inhibitors (PPIs) and metformin[16], which can reduce B12 absorption

[DOI] [PMC free article] [PubMed] [Google Scholar] 20.Obeid R, Kuhlmann MK, Kohler H, Herrmann W

[DOI] [PubMed] [Google Scholar] 26.Grubb S

Nicotinamide N-methyltransferase interacts with enzymes of the methionine cycle and regulates methyl donor metabolism
