b12 injection is for what Vitamin Dosage Adults: Guidelines Compounded Cyanocobalamin (Vitamin B12) Injection

It's ideal for: Prediabetes Metabolic syndrome PCOS Insulin-resistant fatty liver Energy, Mood, and Mental Clarity Many users report a subjective increase in mental focus , energy , and motivation within the first two weeks of use

And how replacement therapy helps/doesnt help

In these conditions, bowel thickening and inflammation leads to poor absorption of nutrients and weight loss

Management: o Avoid concurrent use unless prescribed with Carbidopa

B12 injections are generally safe, but some people may experience mild side effects such as redness or soreness at the injection site, slight dizziness, nausea, or mild diarrhea