Inclusion Criteria:  Subjects aged 19 years or over BMI < 30 kg/m2 Fasting glucose level > 100 mg/dL (who is not under medication) Subjects who voluntarily decide to participate in this clinical study and sign the informed consent form on their own or through their representatives  Exclusion Criteria:  At the screening visit, subjects who were diagnosed with obesity, diabetes, dyslipidemia and undergoing medication Subjects who were diagnosed with ventricular associated disease, unstable and uncontrolled chronic medical disease, hyper/hypothyroidism, or active malignant tumor and undergoing medication within 4 weeks prior to the first administration of the investigational product Subjects who have renal failure, acute or chronic hepatitis or known liver cirrhosis In addition to the above, subjects who are determined to be ineligible to participate in the clinical study according to the investigator's medical opinion