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Association between Habitual Diet and the Postprandial Glucose Response-An Enable Study
Anna Reik1, Beate Brandl2, Gunther Schauberger3
1Institute for Nutritional Medicine, School of Medicine, University Hospital Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.
Dietary habits, particularly the consumption of cereals and cereal products, influence postprandial glucose response (PPGR). This effect varies by age, suggesting personalized dietary strategies for managing blood sugar levels.
Area of Science:
- Nutrition Science
- Metabolic Health
- Human Physiology
Background:
- Inter-individual variability in postprandial glucose response (PPGR) is not fully understood.
- Investigating the link between habitual diet and PPGR is crucial for metabolic health management.
Purpose of the Study:
- To determine if habitual dietary intake is associated with postprandial glucose response (PPGR) in healthy adults.
- To explore potential age-specific dietary influences on glucose metabolism.
Main Methods:
- Data collected from 459 healthy adults across three age groups (18-25, 40-65, 75-85 years).
- Habitual diet assessed via food frequency questionnaires and 24-hour food lists.
- Oral glucose tolerance tests (OGTT) used to measure glucose incremental area under the curve (iAUCmin).
- Regression models analyzed associations between diet and iAUCmin.
Main Results:
- A negative association was found between the intake of cereals and cereal products and glucose iAUCmin (p=0.002).
- Dietary parameters explained up to 9% of the variance in glycemic response within specific age groups.
- Evidence suggests age-specific diet-related effects on PPGR.
Conclusions:
- Habitual intake of cereals and cereal products appears to significantly influence PPGR across multiple age groups.
- Age-specific dietary patterns play a role in modulating glucose metabolism.
- Further research is warranted to optimize diet based on age and individual PPGR.
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