外源子作为低热量饮食的辅助对代谢标记物的影响
Eliza J Roeth1, Genevieve Parker1, Ella F Cooper-Leavitt1
1Department of Cell Biology and Physiology, Brigham Young University, Provo, UT 84602, USA.
Nutrients
|November 27, 2025
概括
外源性β-基酸盐 (BHB) 补充剂,与低热量饮食相结合,改善了超重成年人的身体组成. BHB优先减少脂肪质量,同时保持瘦肉质量,提高减肥质量,没有不良代谢影响.
科学领域:
- 营养科学 营养科学
- 代谢健康 代谢健康
- 身体构成研究 身体构成研究
背景情况:
- 超重和肥胖很普遍,导致代谢障碍.
- 减肥的卡路里限制往往会导致有害的瘦肉量减少.
- 作为减轻这些影响的策略,正在探索外源性β-基酸盐 (BHB) 补充剂.
研究的目的:
- 研究外部BHB补充剂对超重和肥胖成年人身体组成和代谢标志物的影响.
- 为了确定BHB是否与低热量饮食一起,优先减少脂肪质量,同时保持瘦肉质量.
- 评估BHB在减肥期间对代谢健康指标的影响.
主要方法:
- 一项为期8周的随机,双盲,安慰剂对照试验,涉及51名超重/肥胖成年人.
- 参与者每天两次接受白血统BHB矿物盐或安慰剂 (马尔托德克斯) 与卡路里限制.
- 评估了身体成分 (DXA),休息代谢率 (间接热量计) 和心脏代谢生物标志物.
主要成果:
- BHB组显示脂肪质量 (-2公斤) 和体脂百分比显著减少,脂肪与脂肪质量比率增加.
- 瘦肉质量得到保留,而休息代谢率 (RMR) 在BHB组没有下降.
- 在BHB组中,LDL胆固醇降低;其他代谢标志物保持稳定或显示出积极变化.
结论:
- 外源BHB补充剂可以提高饮食诱导的减肥质量.
- BHB在脂肪量减少和瘦肉量保存方面展示了集团内部的好处.
- 补充BHB在这个研究群体中没有显示任何不良代谢影响.
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