Clinical Study to Evaluate the Effects and Safety of Green Tea Extract on Blood Glucose Regulation

This study was conducted over 12 weeks with a randomized, double-blind, placebo-controlled, parellel design

Inclusion criteria

• Males and females aged between 19 to 64 years
• BMI between 18.5 and 29.9kg/m²
• fasting blood glucose between 100 and 139 mg/dL (Note: if some subjects with blood glucose range of 126 - 139 mg/dL, those who are taking or requre medication must be excluded to meet ethical standards.)
• subjects who voluntarily decide to participate in this study and sign the informed consent form.

Exclusion criteria

• Individuals taking to obesity, dyslipidemia, or uncontrolled hypertension at the screening
• Individuals diagnosed with diabetes and who have taken medications related to blood glucose
• Individuals congenital enzyme deficiencies related to sugar metabolism.
• with hypersensitivity to the test food or ingredients(e.g., green tea, caffeine).
• Individuals ongoing treatment diseases significantly related glucose metabolism.
• Individuals with a history of surgery significantly related to glucose metabolism within the last 6 months
• diagnosed with gastrointestinal diseases, cardiovascular diseases, uncontrolled chronic medical conditions, thyroid disorders, or active malignant tumors requiring medication
• Individuals with liver function impairment or acute or chronic hepatitis or liver cirrhosis
• Individuals with renal disorder
• Individuals with a weight change of 5 kg or more within the last 3 months.