B. Andjelic, N. Todorovic, M. Vranes, and S. Ostojic, “Dietary creatine-guanidinoacetate acutely improves circulating creatine levels and running performance in healthy men and women: Creatine-guanidinoacetate for creatine status and exercise performance ”, Progr Nutr, vol. 26, no. 1, p. e2024003, Mar. 2024, doi: 10.23751/pn.v26i1.14886.