Clinical Study to Evaluate the Body Fat Reducing Effects of Heat-Treated Green Tea Extract Complex

* lt;Inclusion Criteria\> * Males and females aged between 19 \~ 64 years * BMI 25.0 \~ 34.9 kg/m\^2 * Waist circumferebce: 90cm or more for men, 85cm or more for women * Subjects who have fully understand the information provided about the study and voluntarily decided to participate * lt;Exclusion Criteria\> * Participants whose weight changed by more than 10% within the 3 months prior to visit 1 * Individuals participated in a commercial weight loss program within 3 months prior to Visit 1 * Participants who have undergone surgical procedures within 3 years * Participants who have taken obesity treatment medications within the last 3 months * Individuals who have taken medications affecting weight or dietary supplements for weight control within the last month * Subjects with uncontrolled hypertension * Subjects diagnosed with diabetes * TSH \<0.1 uIU/ml or \>10 uIU/ml * Creatinine \>1.5mg/dL * AST or ALT \> three times the upper normal limit