L-ornithine-L-aspartate is most commonly used for reduced brain function in people with advanced liver disease (hepatic encephalopathy). It is also used for athletic performance cirrhosis and other conditions but there is no good scientific evidence to support these uses.Milk thistle is taken by mouth most often for liver disorders including liver damage caused by chemicals alcohol and chemotherapy as well as liver damage caused by Amanita mushroom poisoning nonalcoholic fatty liver disease chronic inflammatory liver disease cirrhosis of the liver and chronic hepatitis.