Beta-Alanine and Improved Time-Trial Performance

• Beta-alanine did not improve high-intensity performance throughout simulated road cycling.

  • 2021-06-22
  • RCT · n = 11
  • European journal of sport science 22(8)
  • • Pedro Perim
    • Nathan Gobbi
    • Breno Duarte
    • Luana Farias de Oliveira
    • Luiz Augusto Riani Costa
    • Craig Sale
    • Bruno Gualano
    • Eimear Dolan
    • Bryan Saunders
    • Bryan Saunders

  • PubMed: 34092191
  • DOI: 10.1080/17461391.2021.1940304

  2 Insights on

  • Improved Time-Trial Performance

  • High evidence
  • Athletes

  There was no group (P=0.69), time (P=0.50) or group x time interaction (P=0.26) on time-to-complete the 4-km time-trial. Time-to-completion did not change from pre- to post-supplementation for BA (-19.2 ± 45.6 s, P=0.43) or PL (+2.8 ± 31.6 s, P=0.99).

  Effect

  Neutral

  Effect size

  Small

  Significant

  No

  Dose

  6.4 g/day

• Effects of Beta-Alanine Supplementation on Physical Performance in Aerobic-Anaerobic Transition Zones: A Systematic Review and Meta-Analysis.

  • 2020-08-19
  • Meta-Analysis
  • Nutrients 12(9)
  • • Álvaro Huerta Ojeda
    • Camila Tapia Cerda
    • María Fernanda Poblete Salvatierra
    • Guillermo Barahona-Fuentes
    • Carlos Jorquera Aguilera

  • PubMed: 32824885
  • DOI: 10.3390/nu12092490

  3 Insights on

  • Improved Time-Trial Performance

  • High evidence
  • Rigorous Journal

  revealing a small effect for time in the TTT (SMD, -0.36; 95% CI, -0.87-0.16; I² = 59%; p = 0.010)

  Effect

  Neutral

  Effect size

  Small

  Significant

  No

  Dose

  varied (multiple dosages and durations)