The glycemic response is a personal attribute

William J. Whelan, Danielle Hollar, Arthur Agatston, Hannah J. Dodson, Dimitri S. Tahal

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The Glycemic Index (GI) is a measure of the extent of the change in blood glucose content (glycemic response) following consumption of digestible carbohydrate, relative to a standard such as glucose. We have explored whether the reported GIs of foods are a sufficient guide to a person wishing to avoid large glycemic responses and thereby avoid hyperglycemia. For this purpose, volunteers carried out multiple tests of four foods, following overnight fasting, measuring the glycemic response over 2 H. The areas under the blood glucose/time curves (AUCs) were compared. Each food tester displayed individual, characteristic glycemic responses to each food, unrelated to any other tester's response. Wide variations (up to 5-fold) were seen between the average AUCs for the same test by different testers. The absolute magnitudes of the glycemic responses are important for individuals trying to control blood sugar and/or body weight, but using published GI lists as a guide to control the glycemic response is not fully informative. This is because in calculating the GI, individual glycemic responses to glucose are normalized to 100. GI values are, therefore, relative and are not necessarily a reliable guide to the person's actual individual AUC when consuming a food. Without knowledge of the person's characteristic blood glucose responses, reliance only on the GI may be misleading.

Original languageEnglish
Pages (from-to)637-641
Number of pages5
JournalIUBMB Life
Volume62
Issue number8
DOIs
StatePublished - Aug 1 2010

Fingerprint

Glycemic Index
Blood Glucose
Food
Area Under Curve
Glucose
Hyperglycemia
Volunteers
Fasting
Body Weight
Carbohydrates

Keywords

  • Blood glucose
  • Glycemic index
  • Glycemic response

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology
  • Clinical Biochemistry
  • Molecular Biology
  • Genetics

Cite this

Whelan, W. J., Hollar, D., Agatston, A., Dodson, H. J., & Tahal, D. S. (2010). The glycemic response is a personal attribute. IUBMB Life, 62(8), 637-641. https://doi.org/10.1002/iub.365

The glycemic response is a personal attribute. / Whelan, William J.; Hollar, Danielle; Agatston, Arthur; Dodson, Hannah J.; Tahal, Dimitri S.

In: IUBMB Life, Vol. 62, No. 8, 01.08.2010, p. 637-641.

Research output: Contribution to journalArticle

Whelan, WJ, Hollar, D, Agatston, A, Dodson, HJ & Tahal, DS 2010, 'The glycemic response is a personal attribute', IUBMB Life, vol. 62, no. 8, pp. 637-641. https://doi.org/10.1002/iub.365
Whelan WJ, Hollar D, Agatston A, Dodson HJ, Tahal DS. The glycemic response is a personal attribute. IUBMB Life. 2010 Aug 1;62(8):637-641. https://doi.org/10.1002/iub.365
Whelan, William J. ; Hollar, Danielle ; Agatston, Arthur ; Dodson, Hannah J. ; Tahal, Dimitri S. / The glycemic response is a personal attribute. In: IUBMB Life. 2010 ; Vol. 62, No. 8. pp. 637-641.
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