alexa Meal timing and composition influence ghrelin levels, appetite scores and weight loss maintenance in overweight and obese adults.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Diabetes & Metabolism

Author(s): Jakubowicz D, Froy O, Wainstein J, Boaz M

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Abstract BACKGROUND: Although dietary restriction often results in initial weight loss, the majority of obese dieters fail to maintain their reduced weight. Diet-induced weight loss results in compensatory increase of hunger, craving and decreased ghrelin suppression that encourage weight regain. A high protein and carbohydrate breakfast may overcome these compensatory changes and prevent obesity relapse. METHODS: In this study 193 obese (BMI 32.2±1.0kg/m(2)), sedentary non diabetic adult men and women (47±7years) were randomized to a low carbohydrate breakfast (LCb) or an isocaloric diet with high carbohydrate and protein breakfast (HCPb). Anthropometric measures were assessed every 4weeks. Fasting glucose, insulin, ghrelin, lipids, craving scores and breakfast meal challenge assessing hunger, satiety, insulin and ghrelin responses, were performed at baseline, after a Diet Intervention Period (Week 16) and after a Follow-up Period (Week 32). RESULTS: At Week 16, groups exhibited similar weight loss: 15.1±1.9kg in LCb group vs. 13.5±2.3kg in HCPb group, p=0.11. From Week 16 to Week 32, LCb group regained 11.6±2.6kg, while the HCPb group lost additional 6.9±1.7kg. Ghrelin levels were reduced after breakfast by 45.2\% and 29.5\% following the HCPb and LCb, respectively. Satiety was significantly improved and hunger and craving scores significantly reduced in the HCPb group vs. the LCb group. CONCLUSION: A high carbohydrate and protein breakfast may prevent weight regain by reducing diet-induced compensatory changes in hunger, cravings and ghrelin suppression. To achieve long-term weight loss, meal timing and macronutrient composition must counteract these compensatory mechanisms which encourage weight regain after weight loss. Copyright © 2011 Elsevier Inc. All rights reserved. This article was published in Steroids and referenced in Journal of Diabetes & Metabolism

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