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Understanding these risk factors helps Richmond residents determine whether they should pursue B12 testing and supplementation strategies
Understanding how it compares to alternatives helps you determine if it is the right choice for your specific situation
After ingestion, stomach acid separates B12 from food proteins, and then intrinsic factor produced in the stomach lining binds to B12 so it can be absorbed in the ileum (the final section of the small intestine)
doi:10.1186/s12944-018-0779-4
Pernicious anemia happens when people develop an autoimmune condition that reduces the production of intrinsic factor
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