Ketogenic Diet and Diabetes Demonstration Project

This study explores whether a ketogenic (very low carbohydrate, high fat) diet can help people who have prediabetes or are at risk for type 2 diabetes. The goal is to demonstrate the real-world effectiveness of this dietary approach on blood sugar control. **You may be eligible if:** - You are 18 or older - Your BMI is 27 or higher (overweight or obese) - You have prediabetes (HbA1c of 5.7% or higher, or fasting glucose of 100–125 mg/dL) **You may NOT be eligible if:** - You have a history of cardiovascular disease (stroke, heart attack, or peripheral artery disease) - Your LDL cholesterol is 190 mg/dL or higher - Your triglycerides are 500 mg/dL or higher - You have type 1 diabetes - You have had diabetic ketoacidosis - You currently use insulin - You have advanced kidney or liver disease - You have terminal cancer - You are pregnant Talk to your doctor to see if this trial is right for you.