RCT of the Naturopathic Anti-Inflammatory Diet

Inclusion Criteria: BMI: 25-45 kg/m2 Age 18-75 yrs Diagnosed with type 2 diabetes or pre-diabetes At risk for type 2 diabetes. Must meet 2 of the following 3 criteria: BMI 30-45 kg/m2, age 50 or older, and/or family history of type 2 diabetes Fasting blood glucose of 100-200 mg/dl Provide informed consent Exclusion Criteria: Current major debilitating mental or physical illness that would interfere with participation (as determined by the participant's medical history) Taking diabetic medication other than sulfonylurea Taking Gymnema silvestra (a naturopathic diabetes treatment) Taking medications that have anti-inflammatory affects (lipid lowering agents, NSAIDS, COX 2 inhibitors, aspirin, HRT, oral contraceptives, testosterone, seizure medications) Taking weight loss medications Severe renal, hepatic, or heart disease Triglycerides >500 mg/dL Bulimia Pregnancy or lactation Current excessive use of alcohol Current/recent chronic use of recreational drugs Smoker More than 4 hours/week of aerobic exercise Have gained or lost more than 15 pounds during previous 6 months Planning on moving out of the area in the next 4 months Is a participant in another medical research study Is following a weight loss diet Is unwilling to accept random assignment of the experimental diets Food preferences and/or allergies that will interfere with consumption of experimental diet