The Lifestyle Education About Prediabetes (Leap) Study

"Participants in this arm will be taught to manage their prediabetes with the Centers for Disease Control's standard National Diabetes Prevention Program. It teaches a lower calorie, lower fat diet.~There will be a core phase and a maintenance phase of this study; the core phase will last for about 4 months and will involve weekly or every other week classes, home assignments, and brief check-in surveys. The maintenance phase will last for the remaining time, with classes and check-in surveys approximately once a month."

"Participants in this arm will be taught to manage their prediabetes with the Centers for Disease Control's National Diabetes Prevention Program, adapted to teach a very low-carbohydrate diet, also called a ketogenic or keto diet. This diet involves eating non-starchy vegetables, leafy greens, cheese, meats, berries, nuts, and seeds and avoiding starchy foods like pasta, bread, rice, beans, many fruits, etc.~There will be a core phase and a maintenance phase of this study; the core phase will last for about 4 months and will involve weekly or every other week classes, home assignments, and brief check-in surveys. The maintenance phase will last for the remaining time, with classes and check-in surveys approximately once a month."