Acetyl L Carnitine Integrative Therapeutics Additional L carnitine Reduced the Risk of Hospitalization in Patients with Overt Hepatic Encephalopathy on Rifaximin. Acetyl L carnitine improves cognitive functions in severe hepatic encephalopathy: a randomized and controlled clinical trial Metabolic Brain Disease Springer Nature Link Covert hepatic encephalopathy as a multi organ syndrome: the gutlivermusclebrain axis, diagnosis, treatment, and multidisciplinary care Journal of Gastroenterology Springer Nature Link