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Alternatives to B12 Vitamin Shots and Dietary Supplements Several alternatives exist for those who prefer not to take injections to maintain adequate Vitamin B12 levels
Heartburn and acid reflux are common because gastric emptying slows and food sits longer in the stomach
Vitamin B12 absorption from food requires several steps: intrinsic factor secretion from gastric parietal cells, acid-dependent release of B12 from food proteins, and physical contact time in the ileum where transcobalamin receptors capture the B12-intrinsic factor complex
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