Obesity (Silver Spring, Md.). 2025 Oct; 33(10): 1995-2004

Roland Heynkes 30.3.2026, CC BY-SA-4.0 DE

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Gliederung

NR BACE

AU Hanyue Zhang, Aikaterina Vasileiou, Dominique Searle, Sofus C. Larsen, Alistair M. Senior, Faidon Magkos, Leigh C. Ward, Graham Horgan, Inês Santos, António L. Palmeira, Stephen J. Simpson, David Raubenheimer, R. James Stubbs, Berit L. Heitmann

TI Dietary Macronutrient Composition and Protein Concentration for Weight Loss Maintenance

QU Obesity (Silver Spring, Md.). 2025 Oct; 33(10): 1995-2004. doi: 10.1002/oby.24370. Epub 2025 Aug 7

AB Objective: To examine the association between dietary macronutrient composition and 12-month weight loss maintenance (WLM) in adults who achieved initial weight loss (= 5%).

Methods: This prospective cohort analysis used 12-month follow-up data from the Navigating to a Healthy Weight trial. Macronutrient composition (%) was assessed using a 4-day, 24-h dietary recall. Food sources were categorized as discretionary foods, lean meat, vegetables, fruit, grains, and dairy. Primary outcomes included 12-month changes in body weight, fat mass index (FMI), waist-to-height ratio (WHtR), and hip-to-height ratio (HHtR). A nutritional geometry approach was used to examine individual and interactive associations of macronutrient intake, visualizing as response surfaces.

Results: Among 1518 participants (69.8% women; mean age 45 ± 12 years), mean macronutrient composition was 20.6% protein, 33.8% fat, and 43.1% carbohydrate. Protein energy percentage was inversely associated with energy intake (ß: -0.33; 95% CI: -0.39, -0.27). Response surfaces revealed that lower proportional energy from protein, diluted by high fat and/or carbohydrate, was associated with higher total energy intake and greater 12-month increases in body weight, WHtR, and HHtR, but not FMI. Consumption of discretionary food, not other food sources, increased energy intake by reducing proportional energy from protein.

Conclusions: Maintaining dietary proportional energy from protein, particularly by limiting discretionary food consumption, was associated with reduced energy intake and improved WLM.

SP englisch

ZF Je höher der Protein-Anteil an der aufgenommenen Nahrung ist, desto geringer ist die Menge der vom Körper genutzten Energie und desto leichter lässt sich nach dem Abnehmen das Wiederzunehmen (Jojo-Effekt) vermeiden.

LA bace.pdf