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No dose-response safety curve
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
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If you gave yourself the wrong amount of medication, they can instruct you on what steps to take next
This article reviews the top options, compares their differences, details the benefits, and explains how to choose the right one for you at The Maxim Clinic in Atlanta , Marietta , and Norcross
Sun et al., 2012)
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