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Description
Because the IOMs RDA is considerably lower than the EFSAs AI, we chose to provide a lower recommendation to meet the RDA and a higher recommendation to meet the EFSAs AI
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)
arXiv preprint arXiv:1609.03499 , 2016
The vial will last 10 days
This amount is often enough to refill B12 stores
