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β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers—A Systematic Review of Clinical Trials

β-alanine does not have an ergogenic effect by itself, but it does as a precursor for the synthesis of carnosine in human skeletal muscle. β-alanine and carnosine together help improve the muscles’ functionality, especially in high-intensity exercises such as combat sports. Therefore, β-alanine coul...

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Autores principales: Fernández-Lázaro, Diego, Fiandor, Emma Marianne, García, Juan F., Busto, Natalia, Santamaría-Peláez, Mirian, Gutiérrez-Abejón, Eduardo, Roche, Enrique, Mielgo-Ayuso, Juan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10490143/
https://www.ncbi.nlm.nih.gov/pubmed/37686787
http://dx.doi.org/10.3390/nu15173755
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author Fernández-Lázaro, Diego
Fiandor, Emma Marianne
García, Juan F.
Busto, Natalia
Santamaría-Peláez, Mirian
Gutiérrez-Abejón, Eduardo
Roche, Enrique
Mielgo-Ayuso, Juan
author_facet Fernández-Lázaro, Diego
Fiandor, Emma Marianne
García, Juan F.
Busto, Natalia
Santamaría-Peláez, Mirian
Gutiérrez-Abejón, Eduardo
Roche, Enrique
Mielgo-Ayuso, Juan
author_sort Fernández-Lázaro, Diego
collection PubMed
description β-alanine does not have an ergogenic effect by itself, but it does as a precursor for the synthesis of carnosine in human skeletal muscle. β-alanine and carnosine together help improve the muscles’ functionality, especially in high-intensity exercises such as combat sports. Therefore, β-alanine could be considered a nutritional ergogenic aid to improve sports performance in combat athletes. We aimed to critically review clinical trial evidence on the impact of β-alanine supplementation on sports performance, perception, and anthropometric parameters, as well as circulating biochemical markers in combat athletes. This systematic review was conducted following the specific methodological guidelines of the Preferred Report Items for Systematic Reviews and Meta-Analyses guidelines (PRISMA), the PICOS question model, the Critical Review Form of McMaster, and the PEDro scale. Furthermore, the Cochrane risk-of-bias assessment tool was used. The search was carried out in the SCOPUS, Web of Science (WOS), and Medline (PubMed) databases for studies published from the beginning of the database until July 31, 2023. Of the 41 registers identified, only 7 met the established criteria and were included in this systematic review. Overall, performance parameters related to strength, power, total exercise work capacity, and combat-specific parameters were significantly improved (p < 0.05). Perception parameters increased non-significantly (p > 0.05). Regarding biochemical parameters, carnosine increased significantly (p < 0.05), pH decreased non-significantly (p > 0.05), and the results for blood bicarbonate and blood lactate were heterogeneous. Finally, there was a non-significant (p > 0.05) improvement in the anthropometric parameters of lean mass and fat mass. β-alanine supplementation appears to be safe and could be a suitable nutritional ergogenic aid for combat athletes.
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spelling pubmed-104901432023-09-09 β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers—A Systematic Review of Clinical Trials Fernández-Lázaro, Diego Fiandor, Emma Marianne García, Juan F. Busto, Natalia Santamaría-Peláez, Mirian Gutiérrez-Abejón, Eduardo Roche, Enrique Mielgo-Ayuso, Juan Nutrients Systematic Review β-alanine does not have an ergogenic effect by itself, but it does as a precursor for the synthesis of carnosine in human skeletal muscle. β-alanine and carnosine together help improve the muscles’ functionality, especially in high-intensity exercises such as combat sports. Therefore, β-alanine could be considered a nutritional ergogenic aid to improve sports performance in combat athletes. We aimed to critically review clinical trial evidence on the impact of β-alanine supplementation on sports performance, perception, and anthropometric parameters, as well as circulating biochemical markers in combat athletes. This systematic review was conducted following the specific methodological guidelines of the Preferred Report Items for Systematic Reviews and Meta-Analyses guidelines (PRISMA), the PICOS question model, the Critical Review Form of McMaster, and the PEDro scale. Furthermore, the Cochrane risk-of-bias assessment tool was used. The search was carried out in the SCOPUS, Web of Science (WOS), and Medline (PubMed) databases for studies published from the beginning of the database until July 31, 2023. Of the 41 registers identified, only 7 met the established criteria and were included in this systematic review. Overall, performance parameters related to strength, power, total exercise work capacity, and combat-specific parameters were significantly improved (p < 0.05). Perception parameters increased non-significantly (p > 0.05). Regarding biochemical parameters, carnosine increased significantly (p < 0.05), pH decreased non-significantly (p > 0.05), and the results for blood bicarbonate and blood lactate were heterogeneous. Finally, there was a non-significant (p > 0.05) improvement in the anthropometric parameters of lean mass and fat mass. β-alanine supplementation appears to be safe and could be a suitable nutritional ergogenic aid for combat athletes. MDPI 2023-08-28 /pmc/articles/PMC10490143/ /pubmed/37686787 http://dx.doi.org/10.3390/nu15173755 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Systematic Review
Fernández-Lázaro, Diego
Fiandor, Emma Marianne
García, Juan F.
Busto, Natalia
Santamaría-Peláez, Mirian
Gutiérrez-Abejón, Eduardo
Roche, Enrique
Mielgo-Ayuso, Juan
β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers—A Systematic Review of Clinical Trials
title β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers—A Systematic Review of Clinical Trials
title_full β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers—A Systematic Review of Clinical Trials
title_fullStr β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers—A Systematic Review of Clinical Trials
title_full_unstemmed β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers—A Systematic Review of Clinical Trials
title_short β-Alanine Supplementation in Combat Sports: Evaluation of Sports Performance, Perception, and Anthropometric Parameters and Biochemical Markers—A Systematic Review of Clinical Trials
title_sort β-alanine supplementation in combat sports: evaluation of sports performance, perception, and anthropometric parameters and biochemical markers—a systematic review of clinical trials
topic Systematic Review
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10490143/
https://www.ncbi.nlm.nih.gov/pubmed/37686787
http://dx.doi.org/10.3390/nu15173755
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