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Wu, Y; de, Crom, TOE; Chen, Z; Benz, E; van, der, Schaft, N; Pinel, A; Boirie, Y; Eglseer, D; Topinkova, E; Schoufour, JD; Weijs, PJM; Rivadeneira, F; Boer, CG; van, Meurs, JBJ; Voortman, T.
Dietary protein intake and body composition, sarcopenia and sarcopenic obesity: A prospective population-based study.
Clin Nutr. 2025; 53:26-34 Doi: 10.1016/j.clnu.2025.07.033
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Co-authors Med Uni Graz: Eglseer Doris
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Abstract:: BACKGROUND&AIMS: Obesity and sarcopenia are major health concerns, particularly among older populations. Dietary protein may help preserve muscle mass and function, but high-protein diets, especially from animal sources, may also increase adipose mass. We investigated associations of total, animal, and plant protein intake with body composition trajectories, sarcopenia, and sarcopenic obesity. METHODS: We included 4576 participants (mean age 65.1 years, 56 % women) from the population-based Rotterdam Study. Dietary protein was measured using food-frequency questionnaires at baseline (2004-2009). Body composition was measured every 4-5 years using dual X-ray-absorptiometry. Handgrip strength (HGS) was assessed starting 2006 using a hydraulic dynamometer. Sarcopenia was determined based on low appendicular skeletal muscle and HGS; and sarcopenic obesity risk based on measures of lean mass, HGS and body fat. Analyses used linear mixed models and generalized estimate equation models. RESULTS: Higher total protein intake was associated with increased BMI over time (mean difference [95 %-confidence interval (CI)]: 0.86 kg/m² [0.01,1.71] per 5E% increase), and increased fat-mass index (1.33 [0.67,1.99]), body-fat-percentage (4.54[2.76,6.31]), and both gynoid and android fat percentage. Higher protein intake was also associated with a higher sarcopenic obesity risk (-0.85[-1.5,-0.2]), but with a lower sarcopenia risk (odds ratio: 0.62 [0.43,0.90]). These associations were mainly driven by animal protein. CONCLUSION: Higher protein intake, particularly from animal food sources, is protective against sarcopenia but also linked to a higher obesity risk. A balanced protein intake advice for older persons should be formulated based on individual needs and health status to prevent sarcopenia, obesity, and sarcopenic obesity.
Find related publications in this database (using NLM MeSH Indexing): Humans - administration & dosage; Sarcopenia - epidemiology; Obesity - epidemiology; Female - administration & dosage; Male - administration & dosage; Aged - administration & dosage; Body Composition - administration & dosage; Prospective Studies - administration & dosage; Dietary Proteins - administration & dosage; Hand Strength - administration & dosage; Middle Aged - administration & dosage; Body Mass Index - administration & dosage; Netherlands - epidemiology; Muscle, Skeletal - administration & dosage; Diet - administration & dosage
Find related publications in this database (Keywords): Body compositions; Sarcopenia; Sarcopenic obesity; Dietary protein intake; Longitudinal cohort study