CGM Plus GEM in Prediabetes

This study is designed to look into the effect of a lifestyle management guide called GEM (Glycemic Excursion Minimization) alongside continuous glucose monitoring (CGM) and an activity monitor (FitBit) and the effect this can have on persons with prediabetes.

Inclusion Criteria: * Age 25-70 years * A1C 6.0-6.4 * Documented diagnosis of prediabetes * Have a smart phone * Able to read English, as the GEM guide is currently only available in English * Willing and able to follow the study procedures as instructed Exclusion Criteria: * Diagnosis of diabetes mellitus * Currently taking any diabetes medication * Currently taking medication that promotes insulin resistance or otherwise interferes with metabolic control (e.g., prednisone) * Has a condition that precludes a low carbohydrate diet, such as gastroparesis * Has a physical or medical condition that precludes walking 120 steps per minute for 10 minutes or longer * Has documented kidney disease that would preclude participation in study per PI discretion * Active or planned cancer treatment * Extreme visual or hearing impairment that would impair ability to use real-time CGM * Pregnant or anticipates becoming pregnant in the next 4 months * Anticipates moving within the next 4 months * Treating physician, for any reason, considers their patient inappropriate for the study (e.g., uncontrolled bipolar disease)