Effects of dietary protein intake on body composition changes after weight loss in older adults: a systematic review and meta-analysis
2016/02/16 by Jung Eun Kim, Lauren E. O’Connor, Lauren E O’Connor +4 · 229 citations
Biochemistry, Genetics and Molecular Biology · Medicine · #Biochemistry #Biology #Body Composition Measurement Techniques #Body mass index #Body weight #Composition (language) #Context (archaeology) #Data extraction #Endocrinology #Gerontology #Internal medicine #Lean body mass #MEDLINE #Medicine #Meta-analysis #Muscle mass #Muscle metabolism and nutrition #Nutrition and Health in Aging #Obesity #Physiology #Randomized controlled trial #Systematic review #Weight loss
paper · pdf · doi:10.1093/nutrit/nuv065
published in Nutrition Reviews 74(3), 210-224 (Oxford University Press)
openalex publication_date 2016/02/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/29
Abstract
CONTEXT: The impact of dietary protein on body composition changes after older adults purposefully lose weight requires systematic evaluation OBJECTIVE: : This systematic review and meta-analysis assessed the effects of protein intake (< 25% vs ≥ 25% of energy intake or 1.0 g/kg/d) on energy restriction-induced changes in body mass, lean mass, and fat mass in adults older than 50 years. DATA SOURCES: PubMed, Cochrane, Scopus, and Google Scholar were searched using the keywords "dietary proteins," "body composition," "skeletal muscle," and "muscle strength." STUDY SELECTION: Two researchers independently screened 1542 abstracts. DATA EXTRACTION: Information was extracted from 24 articles. DATA SYNTHESIS: Twenty randomized control trials met the inclusion criteria. CONCLUSION: Older adults retained more lean mass and lost more fat mass during weight loss when consuming higher protein diets.
Citations
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