A healthy diet, avoiding sugars and refined carbohydrates (starches) to reduce triglyceride levels and reduce risk of diabetes.
Maki KC, Palacios OM, Lindner E, Nieman KM, Bell M, Sorce J. Replacement of refined starches and added sugars with egg protein and unsaturated fats increases insulin sensitivity and lowers triglycerides in overweight or obese adults with elevated triglycerides. Journal of Nutrition 147:1267-1274.