Inclusion Criteria:  Age 20-75 years Type 2 diabetes controlled with diet or diet and metformin (Glucophage) Hemoglobin A1C less than 9.0% Fasting blood glucose less than 180 mg/dl Hematocrit levels within normal limits Having obtained his/her informed consent  Exclusion Criteria:  Abnormal thyroid function Creatinine >2.0 mg/dl Potassium <3.5 mEq/l Gastrointestinal disease: ulcer, gastritis, diarrhea, gastroparesis, vomiting Currently unstable diabetes or under treatment for cancer, heart disease, renal disease Patients with anemia Current insulin therapy or insulin therapy within the past month Patient who are pregnant Allergies to milk, soy or any component of the test product Patient who in the investigators assessment cannot be expected to comply with treatment Patients with anemia Currently participating in another clinical trial