肌酸和β-氨酸联合补充对运动表现和身体组成的影响:系统性审查
Damoon Ashtary-Larky1, Darren G Candow2, Scott C Forbes3
1Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz 6135715794, Iran.
Nutrients
|July 12, 2025
概括
结合肌酸和β-氨酸补充剂可以提高高强度运动的性能,特别是无氧功率. 然而,与单个补充剂相比,这种组合对最大力量,身体组成或有氧能力没有额外的好处.
科学领域:
- 运动科学 运动科学 运动科学
- 营养生物化学 营养生物化学
- 运动生理学 运动生理学
背景情况:
- 肌酸和β-氨酸是改善运动表现和身体组成的受欢迎补充剂.
- 关于肌酸和β-氨酸补充剂的联合协同效应的研究有限.
- 了解联合补充剂对于优化运动训练和营养策略至关重要.
研究的目的:
- 系统地审查随机对照试验 (RCT),评估肌酸和β-氨酸的联合作用.
- 为了比较联合肌酸和β-氨酸补充剂与单独补充剂的疗效.
- 评估对运动表现,最大力量,身体组成和有氧能力的影响.
主要方法:
- 在PubMed/MEDLINE,Scopus和Web of Science进行系统的文献搜索,截至2025年3月.
- 包括与成人参与者进行的RCT,将组合肌酸和β-氨酸与单个补充剂进行比较,持续时间≥4周.
- 使用Cochrane风险偏差工具评估运动表现,身体组成和研究质量.
主要成果:
- 包括七个RCT (n=263);组合增强高强度运动性能 (无氧功率,重复发作性能) 与单个补充剂相比.
- 与单独使用肌酸相比,没有观察到最大强度的显著改善.
- 对身体组成的影响是模两可的;没有发现有氧能力 (VO2max,乳酸值) 的显著改善.
结论:
- 结合肌酸和β-氨酸补充剂可以提高高强度运动的性能.
- 与单个补充剂相比,组合并不会为最大力量,身体组成或有氧能力提供优越的好处.
- 进一步的研究可能会澄清运动员联合补充剂的最佳方案.
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