The lack of vitamin B12 may result from any of the following conditions: Addisonian (pernicious) anemia this condition causes autoantibody formation against parietal cells, which results in a lack of IF essential for absorption of vitamin B12 from the intestine Malabsorption impaired absorption of vitamin B12 Gastrointestinal pathology, dysfunction, or surgery these include atrophic gastritis, celiac disease, small bowel bacterial overgrowth, pancreatic insufficiency, Helicobacter pylori infection, gastric carcinoma, and total or partial gastrectomy Diphyllobothrium latum and related species (the fish tapeworm) infestation these parasites compete with vitamin B12 for intestinal absorption
Toxicon 2012;59:46471.ArticlePubMed 38
For someone who wants steady improvements and has tolerated GLP-1 receptor agonists before, Ozempic is a well-understood choice
It typically responds well to gentle, targeted treatments
2 Methods 2.1 Participants Forty young and forty older healthy adults participated in this study (young adults (YA): mean SD age = 23.38 3.81 years, range = 1835 years, 26 females