Nitrogen cycling in the gut

Annu Rev Nutr. 1998;18:385-411. doi: 10.1146/annurev.nutr.18.1.385.


This review examines the involvement of the gastrointestinal tract in the utilization of nitrogen, the identities of the nitrogenous substances entering and leaving the gut, and the significance of this recycling in the overall nitrogen economy of the body. It is concerned with nonruminant mammals, including man.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.
  • Review

MeSH terms

  • Amino Acids / biosynthesis
  • Amino Acids / metabolism
  • Animals
  • Bacteria / metabolism
  • Digestive System / metabolism*
  • Digestive System / microbiology
  • Humans
  • Intestinal Absorption
  • Nitrogen / metabolism*


  • Amino Acids
  • Nitrogen