Lactulose and ammonia.
D000641:Ammonia / Q000378:metabolism*; D004187:Disaccharides / Q000494:pharmacology*; D006801:Humans; D007792:Lactulose / Q000494:pharmacology*; D008107:Liver Diseases / Q000378:metabolism*; D010368:Pectins / Q000494:pharmacology
D004187:Disaccharides; D007792:Lactulose; D000641:Ammonia; D010368:Pectins