Evidence based approach to management of hepatic encephalopathy in adults Acetyl L carnitine improves cognitive functions in severe hepatic encephalopathy: a randomized and controlled clinical trial Metabolic Brain Disease Springer Nature Link Carnitine Blend Rootcology Oral Acetyl L Carnitine treatment in hepatic encephalopathy: view of evidence based medicine Annals of Hepatology Carnitine Blend Rootcology