Foods that help improve kidney function


There are a number of foods that can help us improve kidney function. Especially for having depurative properties and avoiding the formation of kidney stones.

There are a number of foods, including some fruits and vegetables, that can help improve kidney function. Chronic kidney diseases are currently an important health problem.



It is estimated that its prevalence will be doubled in the next 10 years, due to the progressive aging of the population and the increase of other chronic processes such as diabetes and obesity.

Both fruits and vegetables that help improve kidney function and other feeding guides for this purpose offer preventive measures that can help slow the progression of the disease and improve associated cardiovascular complications.

The importance of correct nutrition to improve kidney function

The kidneys are the organs that are responsible for eliminating waste substances from the body. The blood passes through them and they filter it, retaining the products to be eliminated. In addition, they also regulate body fluids and electrolytes.

In severe kidney disease, the kidneys stop performing these functions normally. That is why in these cases patients must control the intake of liquids and some foods.

Modifying the diet in order to improve kidney function is not only a healthy recommendation, but along with medications and dialysis, is a fundamental part of the treatment.

Food is essential for the correct evolution of the disease and to prevent the appearance of other associated diseases such as diabetes, hypertension or obesity.

The diet of people who have kidney problems should be:

  • Varied
  • Balanced
  • Adequate energy.
  • Ordered
  • Adapted
  • Complemented.

Next, we will talk about 5 fruits and vegetables that help improve kidney function.

1. Escarole

Escarole is a delicious and ideal food for people who want to improve kidney function because it contains a high water content and low caloric intake. In fact, about 95% of its composition is water, hence it is light but satiating food because of its fiber content.

From the nutritional point of view, in addition to its high water content, it is also especially rich in minerals and vitamins. Among the first, we can include in its composition calcium, phosphorus, iron, potassium, and sodium. As for vitamins, it is rich in vitamins A, C and in vitamins of group B.

2. Onion or scallion

It is one of the most used vegetables in foods around the world. Hide, layer by layer, many benefits. However, the main benefit to improve renal function is its diuretic property, that is, it favors the expulsion of urine.

A scientific study by the Journal of Medical Food proved the onion’s ability to efficiently activate the function of the kidneys and facilitate the elimination of fluids in the body.

In addition, it is food, as we have said, with other benefits such as:

  • Allied against diabetes.
  • It favors digestion.
  • It improves the immune system.
  • It relieves some respiratory ailments.

3. Carrot

It is a vegetable known for its benefits in improving eyesight. However, it also has numerous other properties, and in this case, the important one is its diuretic property.

Like the previous ones, it contains a high content of water that improves renal function, since it facilitates the formation and the expulsion of urine, helping, in turn, the disintegration of kidney stones.

And, in addition to them, yes, the carrot is also good for the eyes. Behind that old recommendation hides the authentic essence of carrots. Beta-carotenes are powerful protectants that prevent premature aging. Its consumption will protect the retina and prevent the appearance of cataracts.

4. Blueberries

Besides being a delicious fruit, blueberries have antiseptic active ingredients for the urinary tract.

In particular, blueberries are ideal to fight infections and to improve peripheral circulation. The cranberry juice of the red variety exerts a surprising antiseptic and antibiotic action on the bacteria that cause urinary tract infections, especially Escherichia coli.

In addition, blueberries contain quinic acid, a substance that is eliminated and acidifies the urine, so that it prevents calcium calculi kidney stones or stones from forming. In short, they improve kidney function.

5. Other foods to improve kidney function

The fruits and vegetables mentioned in the article are not the only foods recommended for people who want to improve kidney function. There are many foods with properties for this function and among these others, we can mention:

  • Tangerine.
  • Lemon.
  • Cucumber.
  • Fresh asparagus
  • Green Peas.
  • Mushrooms and mushrooms.

However, if you have any kind of kidney problem, do not hesitate to contact a professional to make a good treatment plan and an adequate food guide to reverse the problem.