Suplementação de ß-alanina no crosstraining

  • Felipe de Almeida Lernic Especialista em Nutrição, Metabolismo e Fisiologia do Exercício Físico pela Faculdade de Medicina de Ribeirão Preto-USP, Ribeirão Preto, São Paulo, Brasil.
  • Guilherme Giannini Artioli Doutor em Educação Física pela Escola de Educação Física e Esporte-USP, São Paulo, São Paulo, Brasil.
Palavras-chave: β-alanina, Beta-alanina, Suplementação, Exercício, Treino, Atleta, Desempenho, Carnosina

Resumo

O objetivo do presente trabalho foi avaliar o potencial ergogênico, além de compreender o processo pelo qual a suplementação de beta-alanina poderia influenciar a performance no âmbito do treinamento cross. Desta forma, este estudo apresenta uma síntese crítica da literatura, explanando sobre as demandas fisiológicas e metabólicas deste tipo de treinamento, analisando a plausibilidade biológica e o grau de evidências científicas que justificariam (ou não) o consumo por atletas ou praticantes da modalidade. Para a presente análise foram utilizadas abordagens qualitativas e técnicas de snowballing com base em livros, artigos periódicos e científicos, teses de doutorado e mestrado indexados nas bases de dados Google acadêmico, Scielo, Pubmed. Nos estudos avaliados, doses de ß-alanina entre 3,2 a 6,4g/dia foram eficientes em exercícios de curta duração e intensidades elevadas (acima de 60% do VO2 max). Além disso, os estudos mostram potencial ergogênico para diminuição do tempo em protocolos específicos, aumento de potência média, potência de pico e aumento no volume de treinamento em modalidades como ciclismo, força, remo, corridas (400 a 1500m) e natação, as quais são modalidades presentes em protocolos de treinamento cross. O principal efeito colateral da beta alanina foi a parestesia, minimizado em estudos onde houve quebra da dose total em doses equivalentes de 10mg/kg, em intervalos de 3 horas. Estudos subsequentes deverão testar a suplementação de ß-alanina em protocolos específicos, visando a confirmação destas hipóteses, assim como evidenciar a magnitude do efeito da suplementação.

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Publicado
2022-05-14
Como Citar
Lernic, F. de A., & Artioli, G. G. (2022). Suplementação de ß-alanina no crosstraining. RBNE - Revista Brasileira De Nutrição Esportiva, 16(98), 208-228. Recuperado de https://www.rbne.com.br/index.php/rbne/article/view/1992
Seção
Artigos Científicos - Revisão