Nutrition and Exercise Prehabilitation in Patients Awaiting Liver Transplantation

Inclusion Criteria: * End-stage liver disease, diagnosed by transient elastography (FibroScan) or imaging-based evaluation with compatible clinical picture * Referred for liver transplantation and evaluated to have a high likelihood of being listed, according to primary hepatologist assessment, or already listed for liver transplantation * No prior formal dietary advice Exclusion Criteria: * Age \< 18 years old * Estimated waiting time for liver transplantation \< 3 months * Estimated life expectancy \< 3 months * Chronic kidney disease requiring protein restriction * Exercise contraindicated (e.g., active or recent variceal bleeding, severe grade of hepatic encephalopathy, refractory ascites, etc.) * Unstable or severe psychiatric disorder * Pregnancy or lactation * Inability to provide written informed consent