Glycaemic and Insulinaemic Responses After Consumption of FOS.

Inclusion Criteria: * Body mass index (BMI) between 18.0 and 25.0 kg/m² (included); * Ready to keep the same volume of physical activity and the same dietary habits during the study and particularly 24 hours before each visit; * Be used to have breakfast; * Non-smoker for at least 3 months; * For the female participant: not being pregnant or breastfeeding and using efficient birth control; * Signed the consent form; * Able to follow the instructions of the study; * Health insured; * Accepted to be included in the National Registry for biomedical research Volunteers (Fichier VRB, Volontaires Recherches Biomédicales). Exclusion Criteria: * Fasting blood glucose over 6.1 mmol/L (1.10 g/L) (or diabetes treated or not); * Fasting blood cholesterol over 6.35 mmol/L; * Fasting blood triglycerides over 1.70 mmol/L (or history of insulinoma); * Fasting blood insulin under 20 mU/L; * Fasting HbA1c under 7%; * History of hypercholesterolemia, hypertension, diabetes or glucose intolerance treated or not; * History of dietary allergies or coeliac disease; * History of digestive system disease susceptible to modify digestion or absorption like Crohn's disease; * Somatic or psychiatric disorders; * Renal insufficiency (kidney failure); * SGOT or ALAT over 52.5 U/L; * Smoker; * Consuming more than 3 alcoholic beverage a day; * Weight varied 3 kg the last 3 months.