Title: metabolic half-life
Long Title: IUPAC Gold Book - metabolic half-life
DOI: 10.1351/goldbook.MT06830
Status: current

Definition
Time required for one-half of the quantity of a substance in the body to be metabolised.

Source
- PAC, 2004, 76, 1033. 'Glossary of terms used in toxicokinetics (IUPAC Recommendations 2003)' on page 1059 (https://doi.org/10.1351/pac200476051033)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/MT06830/html
- json: https://goldbook.iupac.org/terms/view/MT06830/json
- xml: https://goldbook.iupac.org/terms/view/MT06830/xml

Citation: Citation: 'metabolic half-life' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.MT06830
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .
Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-18T10:39:03+00:00