Tips for kidney patients (Chronic renal weakness)

kidney patients

In addition to the various treatment methods, optimal blood pressure control and the right diet can influence the progression of chronic kidney weakness. However, you should only change your diet in consultation with your doctor. A professional nutritional consultation can protect you from malnutrition.


Low protein

Pay attention to a low-salt diet, as the kidneys can no longer filter enough salts out of the blood. The consequences are water retention and an increase in blood pressure. In addition, a diet rich in vitamins and low in fat as well as limiting the amount of protein is recommended. Although patients with chronic kidney disease often suffer from a lack of protein and calorie intake, a reduced protein intake seems to be able to slow down the progression of kidney weakness. Therefore, do not eat more than 0.6-0.8 grams of protein per kilogram body weight and 30-35 kilocalories per kilogram body weight per day.

Low phosphate

In addition, a low-phosphate diet with few dairy products, sausage, egg yolk, nuts and oat flakes can have a positive influence on the disturbed bone metabolism. Prefer cheese such as quark, cream cheese, camembert, Brie cheese, mozzarella, Harzer Roller, Limburger. Liquid dairy products, on the other hand, contain a lot of potassium and phosphate. Therefore do not drink more than 1/8 liter of milk, buttermilk or yogurt a day.

The recommended amount of phosphate is 0.8-1 grams per day. Phosphate supplements can be identified by the following E numbers: E 338, E 339, E 340, E 341, E 450 a, E 450 b, E 450 c, E 540, E 543, E 544

Low potassium

A diet low in potassium is usually only required in the advanced stages of kidney weakness. The recommended amount depends on the severity of the disease and therefore varies from person to person. The recommended amount of potassium in the diet is about 1.5-2 grams per day. Foods and beverages with a high potassium content are:

fruit and vegetable juices, dried fruit (raisins, dates, figs)
bananas, apricots, avocado
pulses such as peas, beans and lentils
tomatoes, spinach, broccoli, fennel, Brussels sprouts, chard, kale, olives
Sprouts and germs
fresh and dried mushrooms
Dried potato products (potato chips, potato dumplings, mashed potatoes).
Plenty of drinking, however, does not improve kidney function. Ask your doctor how much liquid you should drink daily.


Physical activity can help to reduce the risk factors high blood pressure and obesity. However, avoid activities that increase blood pressure, such as weight training. You should also avoid nicotine at all costs and should not drink more than 50 grams of alcohol per day.


Patients with chronic kidney disease should also avoid drugs that can be harmful to the kidney, including non-steroidal anti-inflammatory drugs, including the most common painkillers such as diclofenac or ibuprofen, iodine-containing X-ray contrast media and certain antibiotics such as amikacin, gentamycin, neomycin or streptomycin. If drugs lead to disorders of kidney function, they should be discontinued immediately and replaced with another active substance if necessary.

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