The effect of supplemental beta-alanine and anaerobic training on the development of fatigue index, PFK enzyme, and 200-meter sprint performance in young athletes. Al-Muthanna Journal of Sport Education Sciences, [S. l.], v. 14, n. 1, 2026. Disponível em: https://muthuni-ojs.org/index.php/sjpe/article/view/1246. Acesso em: 14 jun. 2026.