S. Ostojic, G. . Farkas, Z. . Bábszky, and V. Stajer, “Dose-escalation study with supplemental creatine-guanidinoacetate in healthy adults”, Progr Nutr, vol. 26, no. 3-4, p. e2024025, Dec. 2024, doi: 10.23751/pn.v26i3-4.16416.