The effect of whole egg consumption on weight and body composition in adults: a systematic review and meta-analysis of clinical trials

Systematic Reviews

Research

Faezeh Zademohammadi¹  Arezoo Sadat Emrani¹  Sara Beigrezaei¹  Amin Salehi-Abargouei² 

[1]Research Center for Food Hygiene and Safety, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

[2]Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, 8915173160, Yazd, Iran

[3]Research Center for Food Hygiene and Safety, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

[4]Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, 8915173160, Yazd, Iran

[5]Yazd Cardiovascular Research Center, Non-communicable Deseases Research Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

关键词: Systematic review;    Meta-analysis;    Egg;    Body weight;    Body composition;    Body mass index;    Waist circumference;   

DOI  :  10.1186/s13643-023-02277-3

 received in 2022-11-13, accepted in 2023-06-17,  发布年份 2023

来源: Springer

【 摘 要 】

BackgroundA limited number of studies have directly examined the effect of whole eggs on body weight and composition in adults, and they have led to inconsistent results. This study aimed to summarize the evidence on the effect of whole egg consumption on body weight and body composition in adults from clinical trials.MethodsOnline databases were searched from inception to April 2023 for clinical trials that directly or indirectly assessed the effect of whole eggs consumption on anthropometric measures including body weight, body mass index (BMI), waist circumference (WC), and fat-free mass (FFM) in adults. A random effects model was used for meta-analysis.ResultsIn total, 32 controlled clinical trials were included in the systematic review. The analyses revealed that whole egg consumption has no significant effect on body weight (n = 22), BMI (n = 13), WC (n = 10), and FFM (n = 4, P > 0.05). The subgroup analyses showed that whole egg consumption has an increasing effect on body weight and BMI in studies that lasted more than 12 weeks and in unhealthy participants (P < 0.05). A significant increasing effect on BMI was found in studies that the control group did not receive any egg (P < 0.05). Moreover, in studies that there was no significant difference in energy intake between the intervention and control groups, weight, and WC were significantly increased (P < 0.05). Additionally, in studies that participants in the control group received another food or supplement, studies with calorie restriction, and studies on healthy subjects, whole egg intake significantly decreased BMI (P < 0.05).ConclusionsAlthough whole egg consumption had no adverse effect on body composition and body weight, in overall, it might increase body weight in long term. Egg consumption beneficially affects BMI in healthy people and during weight loss diet.Systematic review registrationThis systematic review and meta-analysis is registered in the International Prospective Register of Systematic Reviews (PROSPERO, Registration number: CRD42022308045).

【 授权许可】

CC BY   
© The Author(s) 2023

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