 Subjects selected to participate in this study, are adult liver transplant recipients who had undergone one liver transplantation during 6 months before the time of inclusion. They must be able to communicate in English to be able to independently follow directives and record their activities in recall diaries. Patients will be excluded from the study if they are under 18 years old, refuse to give a written consent to participate in the study, have received liver graft more than 6 months before time of inclusion, have psychological or nervous disorders, have cardiovascular or musculoskeletal health problems interfering with basic physical activity, or have any manifestation of hepatic failure such as ascites and hepatic encephalopathy. Patients will be removed from the study if they develop intolerance to the dietary and physical recommendations e.g. remarkable fatigue. 