Effects of Beta-Alanine on Muscle Carnosine and Exercise Performance:A Review of the Current Literature

Nutrients

Julie Y. Culbertson²  Richard B. Kreider²  Mike Greenwood¹ 

[1] Department of Health, Human Performance and Recreation, Baylor University, Waco, TX 73019, USA;Exercise and Sport Nutrition Laboratory, Department of Health and Kinesiology, Texas A&M University, College Station, TX 77845, USA;

关键词: creatine monohydrate;    anaerobic capacity;    muscular fatigue;    ergogenic aids;   

DOI  :  10.3390/nu2010075

来源: mdpi

【 摘 要 】

Muscle carnosine has been reported to serve as a physiological buffer, possess antioxidant properties, influence enzyme regulation, and affect sarcoplasmic reticulum calcium regulation. Beta-alanine (β-ALA) is a non-essential amino acid. β-ALA supplementation (e.g., 2-6 grams/day) has been shown to increase carnosine concentrations in skeletal muscle by 20-80%. Several studies have reported that β-ALA supplementation can increase high-intensity intermittent exercise performance and/or training adaptations. Although the specific mechanism remains to be determined, the ergogenicity of β-ALA has been most commonly attributed to an increased muscle buffering capacity. More recently, researchers have investigated the effects of co-ingesting β-ALA with creatine monohydrate to determine whether there may be synergistic and/or additive benefits. This paper overviews the theoretical rationale and potential ergogenic value of β-ALA supplementation with or without creatine as well as provides future research recommendations.

【 授权许可】

CC BY   
© 2010 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland