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Whether you have a deficiency or you simply want to make certain that you're eating a well-rounded diet, there are many foods that contain vitamin B12
Malabsorption (insufficient absorption of vitamin B12 in the intestine) due to, insufficient production of intrinsic factor (a protein that is produced in the gastric mucosa and is required for the absorption of vitamin B12), diseases in the terminal ileum (part of the small intestine), e.g
Preventing Unsafe Injection Practices: multi-dose vial handling and beyond-use guidance
Retrieved January 3, 2019
The Absorption Challenge: Research published in the American Journal of Clinical Nutrition reveals that absorption rates for oral B12 vary dramatically based on individual factors
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