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NHS approach to B12 deficiency: NICE Clinical Knowledge Summaries recommend investigating B12 deficiency in patients presenting with macrocytic anaemia, unexplained neurological symptoms, or risk factors including pernicious anaemia, gastrectomy, malabsorption disorders, metformin use, proton pump inhibitors, or nitrous oxide exposure
Many people wonder, "Does vitamin B12 directly cause weight gain?" The short answer is no, not directly
Of course, before beginning any new health regimen, it is wise to consult a healthcare provider
Research from the NCBI explains that those with severe deficiencies or trouble absorbing B12 might need regular doses to keep their levels steady