Clinical Research Directory

Inclusion Criteria: 1. Fasting blood glucose ≥ 6.1 mmol /L; 2. HBA1c ≥ 5.7%; 3. OGTT 2-hour or postprandial blood glucose ≥ 7.8 mmol/L; 4. Patients with previously diagnosed type 2 diabetes with stable drug hypoglycemic treatment and blood glucose controlled well. Exclusion Criteria: 1. Age \< 18 years, or currently pregnant; 2. Individuals with severe obesity, thyroid disease, cardiovascular or cerebrovascular diseases, or other serious health conditions; 3. Individuals with a previous diagnosis of type 2 diabetes currently receiving insulin therapy; 4. Individuals who have taken zinc-related supplements within three months prior to baseline inclusion; 5. Individuals using other nutritional supplements or with poor lifestyle habits; 6. Individuals with unstable body weight in the past three months (fluctuations \> 5 kg); 7. Individuals with a history of major surgery within the past three months or planned major surgery within the next month; 8. Individuals allergic to the intervention materials; 9. Individuals who did not adhere to the prescribed consumption of the study product, affecting efficacy or safety assessment; 10. Individuals with positive urinary protein or serum creatinine greater than 1.2 times the upper limit of normal (men: serum creatinine \> 133.2 μmol/L, women: serum creatinine \> 97.2 μmol/L) at screening; 11. Individuals with elevated alanine aminotransferase (ALT) levels at screening (men: ALT \> 50 U/L, women: ALT \> 35 U/L).