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Stomach problems and vitamin deficiencies

A patient was experiencing stomach problems and was starting to show signs of vitamin deficiencies. Which vitamin would be most affected with a stomach pathology and why? How would supplements be administered and why? Amy was also placed on an antibiotic for a sore throat and it also destroyed bacteria in the colon. How would this contribute to her vitamin deficiency? Which vitamin and why? Be very specific.

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Stomach disorders usually lead to vitamin B12 deficiency because stomach problems can interfere with the production of the intrinsic factor (IF), which is required for the absorption of B12 into the bloodstream. B12 absorption by the body first involves the release of B12 from food proteins by hydrochloric acid in the stomach. Once B12 is released, it must combine with IF before it can enter the bloodstream. Stomach disorders can disrupt the ...