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Updated: Jun 12, 2026

Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice
Published on: January 26, 2024
Protein causes a glycemic response.
William J Whelan1, Hammad Ghanchi, Michael Ricciardi
1Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA. wwhelan@miami.edu
Meat consumption can raise blood glucose levels, contrary to the traditional glycemic index. This study suggests gluconeogenesis from protein may be responsible for these unexpected blood sugar increases.
Area of Science:
- Nutritional Science
- Metabolic Research
Background:
- The glycemic index (GI) measures blood glucose response to digestible carbohydrates.
- Carbohydrate-free foods, like protein, are typically considered to have a GI of zero.
Purpose of the Study:
- To investigate the effect of meat consumption on blood glucose levels after overnight fasting.
- To explore potential mechanisms behind any observed changes in blood glucose.
Main Methods:
- Participants consumed various types of meat after an overnight fast.
- Blood glucose levels were monitored following meat consumption.
Main Results:
- Consumption of several meat varieties led to significant increases in blood glucose levels.
- The blood glucose response was sometimes inversely related to the amount of protein consumed (26-78g).
Conclusions:
- Dietary protein, specifically from meat, may contribute to increased blood glucose levels.
- Gluconeogenesis from digested protein is a potential mechanism for these observed glycemic responses.
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