Safety of Mulberry Leaf Extract Capsule on Blood Glucose Control in Healthy Volunteer

Inclusion Criteria: * Male or female age more than 18 years * No Diabetis mellitus disease and no taking diabetes medication * Blood sugar level less than 126 mg/dl and HbA1C less than 6.5 * Can using Thai language * Willing to participate in the study Exclusion Criteria: * Allergic to mulberry extract * Take mulberry extract in 2 weeks before participate in this study * Take medications that have effect on blood sugar level such as steroid in 2 weeks before participate in this study * Have uncontrolled disease * Have AST, ALT, ALP more than 3 times of normal value, or estimated Glomerular Filtration Rate less than 30 ml/min/1.73 m2) * Pregnancy or lactation