Luckily, we no longer have to rely on poorly absorbed oral supplements to meet our vitamin needs
However, researchers do not know if the effects of obesity can cause a reduction in B12 levels or if reduced B12 levels may be a contributing factor to obesity
It is used in the treatment and prevention of vitamin B12 deficiency in patients with conditions such as:_ Addisonian (pernicious) anemia Malabsorption Atrophic gastritis Prolonged treatment with metformin Small bowel bacterial overgrowth (SIBO) Total or partial gastrectomy Infection with the fish parasite Diphyllobothrium latum Helicobacter pylori infection Pancreatic dysfunction Pancreatic or bowel malignancy Dietary deficiency (e.g
Long-term metformin or proton pump inhibitor (PPI) users These medications can interfere with B12 absorption over time
B12 injections are clinically indicated for patients with confirmed deficiency or malabsorption conditions, including those with pernicious anaemia, gastrectomy, ileal resection, Crohn's disease, or neurological symptoms related to B12 deficiency
[5] Nevertheless, any signs of hypersensitivity (such as a diffuse rash, wheezing, or feeling of throat tightness) warrant stopping the injection and seeking prompt medical care