Virtual assistant designed to support surgeons, anesthesiologists, intensivists, internists, endocrinologists, geriatricians, clinical nutrition specialists, dietitians–nutritionists, and nursing staff in the assessment, planning, and management of postoperative nutrition within ERAS programs, based on current evidence and clinical practice guidelines (ERAS Society, ESPEN, ASPEN, and Ibero–Latin American societies) up to November 2025.