Foods that are high in saturated or trans fat, cholesterol, and sodium, including beef, bacon, baked goods, high-fat dairy products and shellfish, are not part of a healthy diabetic meal plan, according to Mayo Clinic. Saturated fat should be limited to less than 7 percent of a person's daily calories. Individuals should eliminate trans fat entirely, including sources such as shortening, margarine and processed snack foods.
Carbohydrates found in grains, dairy products, sweets, starchy vegetables and fruits have a direct impact on blood sugar, making it important for diabetics to monitor the amounts they consume, according to Everyday Health. The types of carbohydrates people with diabetes choose are important and determine how quickly the digestive system processes carbs, turns them to sugar and releases them into the blood stream. Poor choices are those that are processed at a faster rate, including refined grains such as white flour, pastries, white rice, pasta and white bread.
Whole-milk dairy products such as yogurt, milk and sour cream should be replaced by low-fat or fat-free alternatives, states Everyday Health. Starchy vegetables, including corn, peas and potatoes, provide essential nutrients but are high in carbohydrates, so it's best to consume them in moderation. Diabetics should avoid foods and beverages that are high in added sugar, including canned fruits packed in syrup, fruit juices and chocolate milk.