To compare High-Intensity Interval Training versus moderate intensity continuous training on gut microbiota in Non- Alcoholic Fatty Liver.
Patients from both genders aged 40 - 60 years old diagnosed with Non-alcoholic Fatty Liver disease by ultrasonography.
Body mass index will range from 30 to 34.9 kg/m².
Patients with central obesity (waist circumference 90 cm for men and 85 cm for women).
Patients who have taken no regular exercise in the last year (<3 times/week and 30 min/time.
History of liver cirrhosis or other chronic liver diseases.
Use of medications affecting gut microbiota (e.g., laxatives, metformin, proton pump inhibitors).
Recent gastrointestinal infections or surgeries.
Diabetes Mellitus type 1 or uncontrolled type 2.