Fatty Liver Treatment | Diet | Detox | Symptoms | Cirrhosis What is Fatty Liver? Fatty liver, or hepatic steatosis, simply means excess fat buildup in the liver. While a small amount of fat is normal, too much can interfere with liver function and cause long-term damage. We're focusing here on Non-Alcoholic Fatty Liver Disease (NAFLD)—a growing health concern globally. Stages of Fatty Liver Disease Progression Simple Fatty Liver (Steatosis) Fat builds up in the liver but may not yet cause inflam