In diets for rental (renal) and diabetic patients you have to choose food which is helpful for both the diseases. For diabetes patient excessive consumption of protein is harmful. Hence, doctors recommend that renal diabetic patient should consume balanced amount of protein and avoid high-protein diets. They have to eat limited amount or avoid foods that contain high amount of cholesterol. They should also reduce fatty intake and consume foods with low levels of potassium.
Diabetes is the main cause of kidney failure. The excess blood sugar damages the nerves and capillaries which support kidney functions. So, along with diet renal diabetic patients should monitor their blood sugar levels daily and should exercise regularly.
All diabetic diet rules are applicable for renal diabetic diets. In diabetic diet, control of carbohydrate is the main part. Starches, milk products, fruits, candies, pudding, cakes and sweets are carbohydrate containing foods. It is important to eat recommended amount of carbohydrates, because it affects our blood glucose level more than fats and proteins. Carbohydrate counting is a diabetic meal planning system which is based on counting the servings of carbohydrates in each meal and it helps to control carbohydrate intake throughout the day. The number of servings of carbohydrates can be fixed according to calorie requirements and you can eat only those fixed servings.
Renal and diabetic patients should follow few more diet rules. With carbohydrate control they have to limit consumption of potassium, sodium, and phosphorus. Many low carbohydrate foods contain these nutrients. So, in a renal diabetic diet you have to choose foods that are low in sodium, phosphorus and potassium, as well as low in carbohydrates.
In renal diabetic diet you can include low potassium and phosphorus fruits like strawberries, blackberries, blueberries, grapes, watermelon, grapes, pineapple, cherries, apple, plums, grapefruit and mandarin oranges. You can include starches that are low in sodium, phosphorus and potassium like bagel, white bread, sandwich bun, pasta, rice, noodles, unsweetened dry cereal, corn-bread, and flour tortilla. Some milk products also recommended for renal diets are plain yogurt, skim milk or fat-free milk, sugar-free ice cream, and sugar free pudding. From this list you have to select proper serving sizes of carbohydrates.
Our body needs all nutrients (not only carbohydrates). To get proteins you have to eat meats but avoid meats with high phosphorus. Lean meat, fish, seafood, low cholesterol egg substitute, eggs, and cottage cheese are good for renal diabetic diets. Cottage cheese has high sodium content hence, you have to eat it in limited amount.
In this diet you can include vegetables like eggplant, cabbage, cauliflower, carrots, beets, cucumber, onions, snow peas, celery, turnips, and radishes.
The foods that should be avoided in this diet are; chocolate milk, sweetened yogurt and ice cream, buttermilk, pudding, gingerbread, pancake, whole grain or whole wheat bread, sugar coated cereals, potato chips, salted crackers, high-sodium meats like hotdogs, sausages, bacon, pepperoni, salami, chesses, nuts, peanut butter etc. You also have to avoid fruits like cantaloupe, bananas, mangos, papaya, oranges and vegetables like okra, spinach, tomatoes, fresh broccoli, baked potatoes and sweet potatoes. You have to limit foods which contain excess sugar like honey, chocolate, syrup, pies and cakes.
There are many restrictions in renal diabetic diets but for control of diabetes and kidney disease it is absolutely necessary.