this is a prospective, interventional, open-label, randomized study on the efficacy of omega 3 fatty acids supplementation in Egyptian children with non-alcoholic fatty liver disease who had been selected from nutrition and outpatient clinic at Pediatric hospital, Ain Shams University

Inclusion Criteria:

Children between 5 - 16 years old with diffusely hyper echogenic liver at ultrasonography were included in the study.

Exclusion Criteria:

• Patients with secondary causes of steatosis including total parenteral nutrition, drugs causing fatty liver disease for example steroids, hepatitis A, B, C, cytomegalovirus, Epstein-Barr virus infections, autoimmune liver disease, metabolic liver diseases, Wilson's disease, and alpha-1-antitrypsin deficiency.
• Patients currently taking fish oil supplements.
• Patients with systemic illness such as cardiac and kidney diseases.