Evaluation of the improvement of the overall glycemic control after 6 months of treatment with ABO-GLYC, as a result of reduction of HbA1c and/or post-prandial glycemic peak.

Inclusion Criteria:

1. Male and female patients with diagnosis of type 2 diabetes, aged 18-75
2. HbA1c at screening between 6.5% and 7.5%
3. Last 2 HbA1c values in the last 12 months between 6.5% and 7.5%
4. Intolerance to metformin without unquestionable indication to other oral hypoglycemic agents
5. BMI 25-38 kg/m2
6. Willing and able to understand and sign the informed consent and complete the patient diary provided
7. Women participant of childbearing age should be negative to pregnancy test (performed on blood), and will have to use an appropriate contraceptive method throughout the study.

Exclusion Criteria:

1. Micro and macrovascular complication of diabetes in advanced stage (i.e., proliferative diabetic retinopathy; chronic renal failure III-IV stage KDOQI)
2. Chronic gastro-intestinal disease
3. Heavy smoker subjects
4. Alcohol abuse
5. Chronic liver and kidney disease (AST or ALT values > 2.5 UNL or plasma creatinine > 1.5 mg/dl)
6. Previous major gastrointestinal surgery
7. History of eating disorders
8. Pregnancy or lactation
9. Use of food supplements containing in particular but not limited to fibers and polysaccharides, in the last six months with frequency and dosage such as to interfere with the study.
10. Autoimmune diseases
11. Known hypersensitivity to any of the components of the product.
12. Any condition which prevent subject participation in the opinion of the principal investigator.