Department of the College of Public Health, Qingdao University, Qingdao 266071, China.
Junan County Health Bureau, Linyi, China.
Nutrients. 2019 Nov 15;11(11):2790. doi: 10.3390/nu11112790.
The effect of soy products on the weight of overweight or obese people is controversial, so we aimed to conduct a systematic review and a meta-analysis of published randomized controlled trials to analyze whether supplementation with soy products can help them to lose weight.
The relevant data before January 2019 in PubMed, Embase and Cochrane Library were searched. A random-effect model was adopted to calculate the weighted average difference of net changes of body weight, body mass index (BMI), body fat percentage, fat mass, waist circumference, etc. Results: A total of 22 trials (870 overweight or obese participants) were reflected in the present meta-analysis. Analysis showed that soy products significantly reduced body weight, BMI, body fat percent and waist circumference in overweight or obese Asian populations (-0.37 kg, = 0.010; -0.27 kg/m, = 0.042; -0.36%, = 0.032; -0.35 cm, = 0.049) and more significant effects were observed in non-menopausal women reduced body weight (-0.59 kg, = 0.041), BMI (-0.59, = 0.041) and waist circumference (-0.59 cm, = 0.041) in overweight or obese populations.
This meta-analysis showed that soy products have weight loss effects, mainly due to soy protein, isoflavone and soy fiber.
豆制品对超重或肥胖人群体重的影响存在争议，因此我们旨在进行系统评价和荟萃分析，以分析补充豆制品是否有助于他们减肥。
检索了 2019 年 1 月之前在 PubMed、Embase 和 Cochrane Library 中的相关数据。采用随机效应模型计算体重、体重指数（BMI）、体脂百分比、体脂量、腰围等净变化的加权平均差异。
本荟萃分析共反映了 22 项试验（870 名超重或肥胖参与者）。分析表明，豆制品可显著降低超重或肥胖亚洲人群的体重、BMI、体脂百分比和腰围（-0.37kg， = 0.010；-0.27kg/m， = 0.042；-0.36%， = 0.032；-0.35cm， = 0.049），在绝经前女性中，体重（-0.59kg， = 0.041）、BMI（-0.59kg， = 0.041）和腰围（-0.59cm， = 0.041）的降低效果更为显著。
本荟萃分析表明，豆制品具有减肥作用，这主要归因于大豆蛋白、异黄酮和大豆纤维。
