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Most patients find that gastrointestinal side effects diminish substantially after the first 4-8 weeks, making persistence through this initial period worthwhile for many individuals who achieve significant glycaemic and weight benefits
This test uses a radioactive form of B12 to see if your body has enough intrinsic factor
adults over 60 have a true B12 deficiency, and roughly 20% have marginal B12 status, according to research published in the American Journal of Clinical Nutrition
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Vitamin B12 deficiency can cause physical, neurological and psychological symptoms
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