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Bioavailability and daily requirement of vitamin B12in adult humans: an observational study of its colonic absorption and daily excretion as measured by [13C]-cyanocobalamin kinetics
- Source :
- The American Journal of Clinical Nutrition; December 2023, Vol. 118 Issue: 6 p1214-1223, 10p
- Publication Year :
- 2023
-
Abstract
- Clinical and biochemical vitamin B12(B12) deficiency is lower than anticipated in vegetarians. Extraileal absorption, such as from the colon, as well as reduced daily excretion, may be adaptive mechanisms to maintain B12homeostasis with marginal intakes.
Details
- Language :
- English
- ISSN :
- 00029165 and 19383207
- Volume :
- 118
- Issue :
- 6
- Database :
- Supplemental Index
- Journal :
- The American Journal of Clinical Nutrition
- Publication Type :
- Periodical
- Accession number :
- ejs64579548
- Full Text :
- https://doi.org/10.1016/j.ajcnut.2023.08.020