Evaluation of 2 Diets With Different Starch Digestibility Profiles on Daily Glycemic Profile, in T2D Patients

Inclusion Criteria: * Patient able to understand the study information and providing written consents for his/her participation to the study * Male or female * Patient undergoing medical examination during the selection visit * Patient aged between 18 and 75 years old (bounds included) * T2D volunteer with: * HbA1c between 6,5% and 8,5% * Bi-therapy associating metformin and sitagliptin at stable dose for at least 1 month * T2D volunteer without insulin therapy or GLP-1 analogues * Patient with BMI ranging between 22 and 37 kg/m2 (bounds included) * Patient with stable body weight over the past three months (+/- 5 % of body weight) * Patient accepting to change its diet for two weeks * Patient not suffering from intolerance or allergy * Patient regularly consuming products proposed in the study * Patient regularly consuming 3 main meals per day * Sedentary behavior or stable regular physical activity during the study * Patient not presenting any disease during the medical examination / interview which could interfere with the results of the study according to the investigator * Patient covered by health assurance Exclusion Criteria: * General criteria: * Patient under legal protection measure * Patient deprived of liberty by a court or an administrative decision * Patient currently participating in another study or being in the exclusion period of another study * Volunteer that exceed the financial compensation allowed per year for participating in research programs * Biological criteria: * Gamma-GT \> 2.5 times above the norm (\>160 UI/L) * ASAT \> 2.5 times above the norm (\>85 UI/L) * ALAT \> 2.5 times above the norm (\>137.5 UI/L) * Triglycerides \> 4 g/L * LDL-cholesterol \> 1.90 g/L * CRP \> 15 mg/L * Hemoglobin \< 120 mg/dL * Other biological abnormality with clinical significant relevance according to the investigator * Therapeutic and medical criteria: * Patient with type 1 diabetes * T2D treatment other than metformin and sitagliptin * Patient with past bariatric surgery * Patient with medical history of endocrine diseases who may interfere with glucose metabolism according to the investigator (such as thyroid dysfunction, acromegaly, hypercorticism…) * Uncontrolled high blood pressure defined by Systolic blood pressure \> 150 mmHg or Diastolic blood pressure \> 100 mmHg * Evidence of any other unstable or untreated clinically significant immunological, neoplasic, endocrine, haematological, gastrointestinal, hepatic, neurological or psychiatric abnormalities or medical disease according to the investigator * Pregnant women or willing to become pregnant or lactating women * Women of childbearing age without an efficient contraceptive method according to the investigator * Patient under a restrictive diet or willing to lose weight * Patient with eating disorders (e.g. anorexia nervosa and bulimia) according to the investigator * Patient without stable dietary habits or with specific diet (vegetarian, vegan,…) according to the investigator * Patient who smokes * Patient regularly consuming more than 20 g/day of alcohol. Consumption of more than 3 alcoholic beverages per day is recognized as excessive. An alcoholic beverage is: 30 mL of spirituous, 120 mL of wine or 330 mL of beer * Patient regularly consuming recreational drugs * Patient consuming in the two previous months regularly corticoids, anorectics, adrenergic drugs, beta-blocking drugs, antiplatelet agent (like aspirin) or other drugs or supplement that should impact glucose metabolism (other than metformin or DPP4 inhibitor) in the investigator's opinion * Adhesive plaster skin allergy