GPs can prescribe B12 injections following appropriate investigation, which should include: Full blood count to identify macrocytic anaemia Serum B12 and folate levels to confirm deficiency (using laboratory-specific reference ranges) Methylmalonic acid and/or homocysteine when B12 results are borderline Intrinsic factor antibodies if pernicious anaemia is suspected Additional tests depending on clinical presentation (e.g., thyroid function, coeliac serology) When both B12 and folate deficiency are present, B12 should be replaced before folate to avoid precipitating subacute combined degeneration of the spinal cord
Streiner, D
They are usually safe but can cause problems for some people
Vital Flow offers quick shots for energy, focus, immune support, metabolism, recovery, wellness, and relief, with guidance from licensed medical professionals so you can choose the option that fits your goals
At first, you may need injections every other day for a couple of weeks or until symptoms start improving
