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Nutrients 2010, 2(1), 75-98; doi:10.3390/nu2010075
Review

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

1,* , 1
,
2
 and
3
1 Exercise and Sport Nutrition Laboratory, Department of Health and Kinesiology, Texas A&M University, College Station, TX 77845, USA 2 Department of Health, Human Performance and Recreation, Baylor University, Waco, TX 73019, USA 3 Schools of Medicine & Health Movement Studies, The University of Queensland, Herston, Queensland, Australia
* Author to whom correspondence should be addressed.
Received: 16 November 2009 / Accepted: 6 January 2010 / Published: 25 January 2010
(This article belongs to the Special Issue Sports Nutrition)
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Abstract

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.
Keywords: creatine monohydrate; anaerobic capacity; muscular fatigue; ergogenic aids creatine monohydrate; anaerobic capacity; muscular fatigue; ergogenic aids
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Culbertson, J.Y.; Kreider, R.B. .; Greenwood, M.; Cooke, M. Effects of Beta-Alanine on Muscle Carnosine and Exercise Performance: A Review of the Current Literature. Nutrients 2010, 2, 75-98.

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