有数百种减肥补充剂（weight-loss supplements），如绿茶提取物（green tea extract）、壳聚糖（chitosan）、瓜尔豆胶（guar gum）和共轭亚油酸（conjugated linoleic acid），估计有34%的美国人尝试减肥时使用过，美国人为此花费了数十亿美元。

根据发表在《肥胖症（Obesity）》杂志上的一项最新研究，缺乏强有力的证据表明膳食补充剂（dietary supplements）和替代疗法（alternative therapies）有助于成年人减肥。大部分研究显示，这些补充剂并没有在使用者中产生减肥效果。

Review shows minimal, high-quality evidence dietary supplements lead to weight loss

Review shows minimal, high-quality evidence dietary supplements lead to weight loss (medicalxpress.com)

More information: The paper, titled "A Systematic Review of Dietary Supplements and Alternative Therapies for Weight Loss", will be published in the July 2021 print issue: onlinelibrary.wiley.com/doi/10.1002/oby.23110

A perspective titled "Dietary Supplements and Alternative Therapies for Obesity: A Perspective from The Obesity Society's Clinical Committee" will accompany the paper: onlinelibrary.wiley.com/doi/10.1002/oby.23189

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