Choline Deficiency Disease, also known as choline deficiency, is related to metabolic dysfunction-associated steatotic liver disease and hyperhomocysteinemia. An important gene associated with Choline Deficiency Disease is PEMT (Phosphatidylethanolamine N-Methyltransferase), and among its related pathways/superpathways are Metabolism and Regulation of expression of SLITs and ROBOs. The drugs Choline and Gastrointestinal Agents have been mentioned in the context of this disorder. Affiliated tissues include liver and brain, and related phenotypes are homeostasis/metabolism and liver/biliary system