Cause of Low B12 levels Pernicious anaemia vegan diet malabsorption syndromes coeliac sprue Crohn's ulcerative colitis (UC) "food-bound cobalamin malabsorption syndrome" predisposing factors include atrophic gastritis, long term proton pump inhibitor or H2 antagnoist use, chronic alcoholism, gastrectomy/gastric bypass surgery, pancreatic exocrine failure, AIDS myeloma (paraprotein related assay interference) pregnancy combined oral contraceptive pill/HRT pancreatric insufficiency metformin, acute phase situations
If you are feeling fatigued this spring, B12 deficiency is one possible explanation worth investigating but so are thyroid dysfunction, iron deficiency, sleep disorders, and numerous other conditions
Beyond fat metabolism, 5-Amino-1MQ is being studied for its impact on insulin response and glucose regulation
Pernicious Anemia, a type of vitamin B12 deficiency anemia, has unique ICD-10-CM codes, which help to identify it in the medical field: D51.0 - Vitamin B12 deficiency anemia due to intrinsic factor deficiency: This code specifically points to pernicious anemia, an autoimmune condition impairing the absorption of vitamin B12
