"CAP" Fetge Gras. Lifestyle Modification Program in Catalonia.

Inclusion Criteria: * Age ≥ 18 years old * Fibroscan® with a CAP ≥ 300 dB/m and liver stiffness \<8 Kpa. Exclusion Criteria: * Serious chronic disease (heart, respiratory, cancer, etc.). * Chronic liver disease. * Chronic kidney disease (FGR \<60ml/min). * Weight loss\> 5% during the last three months. * AUDIT- C\> 8 * Impossibility to follow the recommended diet (for religious reasons, swallowing problems, etc.) or inability to perform physical activity. * Inability to follow the scheduled visits to the intervention (institutionalized individuals, lack of autonomy, inability to walk, lack of a stable home, travel plans, etc.). * Have been included in another weight loss advice program (\>5 kg) during the 6 months prior to the selection visit (basal visit). * History of having followed a low calorie diet (\<900Kcal/day) for the last 6 months. * History of surgical procedures to lose weight or intend to undergo bariatric surgery in the next 12 months. * Hemoglobin A1c ≥ 9%. * History of resection of the small or large intestine. * History of inflammatory bowel disease. * BMI\> 40 or obesity of known endocrine origin (with the exception of treated hypothyroidism). * Current treatment with systemic corticosteroids. * Current use of medication for weight loss. * Current treatment with steatogenic drugs. * People participating in a clinical trial with drugs. * Patients with mental incapacity, language barrier, bad social support or any other reason considered by the investigato…