L-CITRULLINE AS A NATURAL ERGOGENIC SUPPLEMENT: A COMPREHENSIVE LITERATURE REVIEW OF ITS EFFECTS IN NITROGEN METABOLISM AND HUMAN PERFORMANCE. IJITSS [Internet]. 2025 Dec. 22 [cited 2026 Mar. 17];2(4(48). Available from: https://rspublisher.org/index.php/ijitss/article/view/4082