NICE Clinical Knowledge Summaries recommend B12 injections for: Pernicious anaemia an autoimmune condition affecting intrinsic factor production Malabsorption syndromes including coeliac disease and inflammatory bowel disease Post-surgical states particularly following gastrectomy or ileal resection Strict vegan diets when oral supplementation proves inadequate, though oral cyanocobalamin is usually sufficient for dietary deficiency Clinical trials demonstrate that B12 injections rapidly improve haematological parameters and neurological symptoms when deficiency is confirmed through blood tests
Many published protocols use serial dilutions across two to three orders of magnitude to capture dose-response behavior
Thanks are due to Shira Rubin for discussions about acetaminophen toxicity in animals
Frias, J.P., Deenadayalan, S., Erichsen, L., Knop, F.K., Lingvay, I., Macura, S., Mathieu, C., Pedersen, S.D., & Davies, M.J
takes several months to show visible skin whitening results