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Weight loss is the most effective treatment for NAFLD. A loss of 4% to 10% body weight is recommended, with 10% to 40% weight loss completely reversing NASH without cirrhosis. A structured weight loss program helps people with NAFLD lose more weight compared with advice alone. This type of program also leads to improvements in NAFLD measured using blood tests, ultrasound, imaging, or liver biopsies. Although fibrosis improves with lifestyle interventions and weight loss, there is limited evidence for cirrhosis improvement.