Investigation of Nutrilite Glucose Health Herbal Drink on Prediabetes Persons

The goal of this two arms, randomized, double-blind controlled trial is to study whether Nutrilite herbal drink could ameliorate blood glucose level in prediabetes population. 100 eligible Participants aged 18-65 years will be enrolled in one center. Participants will be randomly assigned to two study groups, with 50 subjects in each group.Study subjects will be administrated with either the Nutrilite product or a placebo drink for two months (8 weeks). And up to three study visits will be made by the subject over a 2-month period intervention. Researchers will compare two groups to see if consumption of Nutrilite herbal drink could significantly ameliorate blood glucose level at the end of the study.