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how long do b12 injections last in your body to Boost Immune System with Vitamin How Long Does a B12
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Chronic fatigue, constipation, depression, memory loss, digestive disorders, headaches, pale skin, shortness of breath just to list a few
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The Journal of Clinical Endocrinology and Metabolism

Large bowel diarrhea usually indicates a problem with the intestinal tract, whereas small bowel diarrhea can be due to a problem with the intestinal tract (primary intestinal disease) or an organ outside the intestinal tract (secondary intestinal disease)

[DOI] [PubMed] [Google Scholar] 81.Metformin and reduced vitamin B12 levels: new advice for monitoring patients at risk
