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A member asked:

Where is vitamin d folate and b12 absorbed in the gastrointestinal system?

2 doctors weighed in across 2 answers

In the : small intestine, B12 and FOLATE ABSORPTION IN THE PROXIMAL SMALL INTESTINE: THE APICAL MEMBRANE. Folates are absorbed primarily in the duodenum and jejunum within the acid microenvironment at the cell surface.

Answered 3/8/2020

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Different sites: Vitamin D and folate are absorbed in proximal small intestine, B12 is absorbed in distal small intestine, ileum.

Answered 3/13/2020

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Related Questions

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My recent lab tests came back with Iron level of 30, transferrin of 20%, low vitamin D, high B12 and high folate. Is this cause for concern?

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My recent blood tests showed a folate level of 4.5. I have been prescribed folic acid. What does a level of 4.5 mean? I am B12 & Vitamin D deficient

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My vitamin B12 level was 292. Is this too low? I was deficient in folate (folic acid) and my homocysteine level was 13.5.

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