Creating a Diabetic Diet Plan: 30 Foods to Avoid. The American Diabetes Association notes that an effective diabetic diet plan will improve blood glucose, reduce the risk of high blood pressure and cholesterol, and help maintain a proper weight. Taking medicine can definitely help control diabetes, but you can help your body through what you eat.Your eating pattern is an important factor in your blood glucose levels. When you eat your food and how much you eat at once are two huge factors that can affect your glucose levels, but the type of foods you eat can seriously alter your blood sugar. Have you ever noticed that you feel sick or your blood sugar shoots up after eating one thing in particular?Even if it doesn’t seem like it, some foods are actually bad for you in one way or another. Most diabetics know that avoiding sugary foods is an obvious diet change, but the diabetic diet is actually more restricting than that.If you’re trying to create an eating pattern that is good for your body, we have 30 foods that you should keep off your shopping list. Whether you’ve just been diagnosed or it’s been several years, avoiding these foods is one of the first steps toward taking control of your diabetes.