Anti-hyperglycemic Effect of Short-term Arginyl-fructose Supplementation in Subjects With Pre-diabetes and Newly Diagnosed Type 2 Diabetes: Randomized, Double-blinded, Placebo-controlled Trial.

Inclusion Criteria: \- All subjects are with prediabetes (IFG or IGT) or newly diagnosed type 2 DM (T2DM) no taking medicine. IFG was defined as fasting glucose between 100 and 125 mg/dL and IGT was defined as 2-h OGTTs glucose levels 140-199 mg/dL. Newly diagnosed type 2 diabetes was defined as fasting glucose ≥126 mg/dL or 2-h OGTTs level ≥ 200 mg/dL. Exclusion Criteria: \- Exclusion criteria included 1) glucose lowering medications or insulin injections; 2) abnormal liver or renal function; 3) chronic stomach and intestines disease; 4) chronic alcoholism; 5) pregnancy or intending to become pregnant during time of study. 6) complications; 7) an occupation that could be dangerous if hypoglycemia should occur.