The effect of breakfast type and frequency of consumption on glycemic response in overweight/obese late adolescent girls

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Abstract

Background/Objectives: The primary aim was to examine the daily glycemic response to normal-protein (NP) vs higher-protein (HP) breakfasts in overweight adolescents who habitually skip breakfast (H-BS). The secondary aim examined whether the glycemic response to these meals differed in H-BS vs habitual breakfast consumers (H-BC).Subjects/Methods:Thirty-five girls (age: 19±1 year; body mass index: 28.4±0.7 kg/m 2) participated in the semi-randomized crossover-design study. The participants were grouped according to habitual breakfast frequency. H-BS (n=20) continued to skip breakfast (BS) or consumed a NP (12 g protein) or HP (32 g protein) breakfast for 3 days, whereas the H-BC (n=15) completed the NP and HP breakfast conditions for 3 days. On day 4 of each pattern, an 8 h testing day was completed. The respective breakfast and a standard lunch meal were provided, and plasma was collected to assess morning, afternoon, and total glucose and insulin area under the curves (AUC). Results: In H-BS, the addition of a HP breakfast increased total glucose AUC vs BS (P<0.05), whereas NP breakfast increased total insulin AUC vs BS (P<0.05). In H-BC, the HP breakfast reduced morning, afternoon and total glucose AUCs vs NP (all, P<0.05). No differences in insulin were detected. When comparing the HP-NP differential glycemic responses between groups, H-BS experienced greater afternoon and total glucose AUCs following HP vs NP breakfasts (both, P<0.05). No differences in insulin responses were observed between groups. Conclusions: Novel differences in the glucose response to HP vs NP breakfasts were observed and were influenced by the frequency of habitual breakfast consumption in overweight adolescents.

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Alwattar, A. Y., Thyfault, J. P., & Leidy, H. J. (2015). The effect of breakfast type and frequency of consumption on glycemic response in overweight/obese late adolescent girls. European Journal of Clinical Nutrition, 69(8), 885–890. https://doi.org/10.1038/ejcn.2015.12

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