Cross-Over Multicentre Study in Adolescents

Exclusion Criteria

• •Taking part simultaneously in another research trial
• •Involvement in physical training (\>4 h/week of vigorous physical activity)
• •Any dietary treatment in the previous two months
• •Body weight changes \> 3 kg in the previous two months
• •Gastrointestinal diseases, irritable bowel syndrome, or positive history for recurrent gastrointestinal symptoms such as nausea, vomiting, bloating, epigastric pain, abdominal pain, abdominal discomfort, flatulence, severe constipation
• •Kidney diseases
• •Type 1 or type 2 diabetes
• •Thyroid or other hormonal diseases
• •Other secondary causes (including illnesses) of hyperlipidemia or altered glucose metabolism
• •Severe hyperlipidemia (total cholesterol \> 300 mg/dL or triglycerides \>300 mg/dL)
• •Severe hypertension
• •Positive history for eating disorders
• •Any regular drug treatment
• •Any food allergy and intolerance