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Manish Sahni, MD for Your Weight Loss Journey
Additional at-risk groups include: Vegans and strict vegetarians , who may have low dietary B12 intake People with autoimmune conditions , including pernicious anaemia or type 1 diabetes Individuals with gastrointestinal conditions such as Crohn's disease or coeliac disease, which impair nutrient absorption People who have undergone bariatric surgery , which can significantly reduce B12 absorption Long-term users of proton pump inhibitors (PPIs) or H2-receptor antagonists , which reduce gastric acid and impair B12 release from food Those with a family history of either pernicious anaemia or diabetes For these groups, simultaneous monitoring of B12 status and glycaemic markers is particularly important to avoid diagnostic errors
It is not intended for human or veterinary use, consumption, administration, or clinical application
The US National Academy of Medicine updated estimated average requirements (EARs) and recommended dietary allowances (RDAs) for vitamin B 12 in 1998
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