Elvira-Aranda, Carlos, Roser De Castellar-Sansó, María José Gomis-Gomis, Jaime Enrique Gómez-Paternina, and José Antonio Pérez-Turpin. “Effects of the Hydrolyzed Collagen Supplement Colnatur Sport® on Endurance Training and Performance of Runners”. Journal of Human Sport and Exercise 18, no. 1 (January 1, 2023): 259–269. Accessed April 28, 2024. https://www.jhse.ua.es/article/view/2023-v18-n1-effects-hydrolyzed-collagen-supplement-colnatur-spor.