b12 injections different types Vitamin Explained: Benefits, Process & Results Best Vitamin B12 Injection Sites
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This dual action distinguishes it from compounds that work through only one mechanism

(Intrinsic factor is made by cells in the lining of the stomach and is needed for vitamin B12 to be absorbed.) Pernicious anaemia is the most common cause of B12 deficiency in Ireland
Foods like meat, eggs, dairy products, and fish are excellent sources of vitamin B12

The combination of low B12 and elevated folate is particularly suggestive of small intestinal bacterial overgrowth
