What is a kidney nutrition regimen?

A kidney-nourishing diet is a diet that limits nutrient residues and fluids absorbed into the body to ensure the kidneys are not overloaded. This diet still fully meets the needs of energy, protein, vitamins and essential minerals. However, the content of some nutrients (sodium, potassium, phosphorus, water, protein, etc.) will be strictly controlled, avoiding accumulation and hindering the functioning of the kidneys and other organs.

What to eat to nourish the kidneys?

Foods that nourish the kidneys should limit salt (sodium) and contain lots of antioxidants (vitamin C, carotenoids, flavonoids,…). Eating a kidney-nourishing diet will help reduce the risk of chronic kidney disease, increase immunity and avoid dangerous complications caused by kidney failure. Specifically:

1. Foods low in salt and sodium are good for the kidneys

Salt is the main source of sodium – a mineral that helps balance fluids and maintain blood pressure in the body. However, salt content should be no more than 5 grams in the daily diet. Because just a small amount of excess sodium can overload the kidneys, promoting the risk of high blood pressure, etc. Therefore, prioritize low-salt foods such as green vegetables, fresh fruits, yogurt, and whole grains. bran; At the same time, prioritize steamed/boiled dishes, which help effectively control sodium content in the body.

2. Foods rich in vitamin C

Vitamin C possesses effective anti-inflammatory and healing effects. Therefore, this nutrient can improve the function of damaged organs, including the kidneys. In addition, vitamin C has also been shown to reduce the risk of renal cell carcinoma. Therefore, when choosing kidney-boosting foods, you should consider foods high in vitamin C such as bell peppers, kiwi, cauliflower, broccoli, strawberries, etc.

3. Foods rich in antioxidants

For the kidneys, antioxidants such as polyphenols, flavonoids, anthocyanins,… work to eliminate free radicals that attack, cause oxidative stress and protect kidney function. Not only that, through the mechanism of neutralizing free radicals, antioxidants also help protect organs in the body from inflammation and damage. Therefore, consuming foods rich in antioxidants can both protect the kidneys and maintain the functioning of organs in the body.

What to eat to nourish the kidneys? Foods rich in antioxidants
Fruits and vegetables contain many antioxidants that are good for the kidneys

4. Organic food

Organic food is grown using standard methods and does not contain industrial chemicals that are harmful to the kidneys and body. Therefore, absorbing these foods will help reduce the load on kidney activity, helping the kidneys stay healthy and recover quickly from damage.

Kidney-nourishing foods should be eaten regularly
Vegetables, berries, fatty fish, etc. are kidney-boosting foods that you should eat regularly, because they possess quite balanced and beneficial nutritional content. In more detail, the following is a list of foods and dishes that nourish the kidneys and their effects, helping you answer the question of what to eat with kidney disease:

Organic food
Organic food

1. Fatty fish
Fatty fish such as mackerel, herring, sardines, salmon, etc. possess high levels of omega-3. This is a good fatty acid that has anti-inflammatory effects and improves kidney problems. According to research, omega 3 helps reduce the risk of developing end-stage kidney disease in people with kidney disease and people with other underlying diseases. Besides, this nutrient can also control the amount of fat absorbed, prevent obesity, diabetes, high blood pressure, etc.

2. Sweet potatoes
The potassium in sweet potatoes has the ability to help balance sodium and reduce the fluid buildup that this mineral causes in the kidneys. However, because sweet potatoes possess high levels of potassium, people with chronic kidney failure before and during dialysis should limit their absorption of this food.

3. Berries
Berries such as blueberries, cranberries, bilberries, raspberries, grapes, etc. possess a variety of antioxidants such as ellagic acid, anthocyanins and resveratrol. These compounds have the ability to effectively protect and improve kidney function, specifically:

Ellagic acid: According to research, this compound has the ability to reduce the risk and prevent the progression of chronic kidney failure due to toxicity;
Anthocyanins: Proven to improve kidney function, especially in people with kidney failure due to diabetes;
Resveratrol: Research clearly shows that resveratrol supplementation is an effective therapy to help prevent the progression of chronic kidney disease and reduce the risk of death in people with this disease.
What to eat that nourishes the kidneys, berries
Berries contain many flavonoids, which help protect the kidneys against free radical attacks

4. Apples

Apples are rich in antioxidants such as vitamin C, quercetin, catechins, and beta-carotene. These compounds have powerful effects in protecting and preventing kidney damage. Specifically:

Quercetin: Proven to reduce kidney toxicity, protect the kidneys from fibrosis and inflammation of the kidneys;
Catechins: Research shows that catechins can be used to heal acute kidney injury caused by COVID-19.
In addition, this fruit also possesses natural potassium content – a mineral that helps maintain acid-alkaline balance in the body. Thanks to that, the pH level of urine is always kept at a normal level, and the risk of kidney stones due to highly alkaline urine is also limited.


5. Water
Filtered water helps the kidneys eliminate waste products in the blood in the form of urine. Severe lack of water will lead to kidney stones, kidney poisoning and chronic kidney failure. Therefore, you should absorb 1.5 to 2 liters of water every day to ensure your body is sufficiently hydrated. For people with chronic kidney failure, the recommended amount of water is calculated based on the formula 40 ml x kg weight.

6. Red bell pepper
Vitamin A and B6 in red bell peppers help regulate the amount of oxalate in urine, preventing kidney stone formation. Meanwhile, folate has the ability to prevent chronic kidney failure from getting worse. Additionally, the combination of lycopene and vitamin C in this fruit also helps protect the kidneys from inflammation and damage caused by oxidative stress. In particular, lycopene has also been shown to reduce the risk of death in people with kidney disease.

7. Cabbage
Besides quercetin, cabbage also contains other antioxidants such as kaempferol and apigenin. These are two compounds belonging to the flavonoids group, capable of preventing renal cell carcinoma through anti-inflammatory mechanisms. In addition, the high fiber content in cabbage also helps improve the digestive system, beneficial for people with malnutrition due to poor kidney function. Therefore, this will be one of the indispensable kidney nourishing foods to maintain a healthy body.

Kidney nourishing food, cabbage
Cabbage helps the kidneys fight inflammation thanks to its rich flavonoid antioxidants

8. Cauliflower
The sodium, potassium and phosphorus content in cauliflower is relatively low, very suitable for people undergoing treatment or at risk of kidney failure. Besides, this vegetable also contains a lot of fiber and antioxidants such as vitamin C, indole, sulforaphane, which help protect the kidneys from toxins and inflammation. In particular, sulforaphane has been shown to prevent the progression of chronic kidney disease. Currently, the compound is also being tested in clinical trials for breast cancer, lung cancer and prostate cancer.

9. Garlic
According to research, allicin in garlic has the ability to lower blood sugar, fight inflammation, oxidative stress and protect the kidneys. Eating garlic regularly not only helps improve kidney function but also helps the kidneys avoid harmful agents such as oxidation, free radicals, and toxins. Therefore, this is one of the indispensable kidney-nourishing foods in the daily diet.

10. Onions
Onions and garlic are two perfect spices to replace table salt, helping you reduce your daily sodium intake. Besides, soluble fiber in onions also has the ability to help improve digestion by strengthening the intestinal microflora. Thanks to this, symptoms of digestive disorders – factors contributing to kidney failure – will be effectively controlled.

11. Cherries
Antioxidants such as vitamin C, quercetin and anthocyanins are found in abundance in cherries. Therefore, consuming this fruit can help control kidney inflammation and eliminate toxins and waste from the body. In addition, cherries are also known to reduce the risk of gout – a common disease caused by hyperuricemia in people with chronic kidney failure. Therefore, this will be one of the kidney-boosting foods that you cannot ignore.

12. Red grapes
Belonging to the group of berries, red grapes possess high levels of antioxidants, such as quercetin, anthocyanins and resveratrol. These compounds have natural anti-inflammatory properties, help create a protective barrier for the kidneys and other organs in the body, heal wounds caused by cardiovascular diseases, diabetes, fatty liver, etc. Therefore, , supplementing red grapes will be a suitable choice, answering the question of what to eat to nourish the kidneys, help this organ function effectively, and repel chronic kidney disease.

Red grapes
Red grapes

Kidney nourishing food, red grapes
Red grapes contain lots of quercetin, anthocyanins and resveratrol which help prevent new damage to kidney tissue.

13. Egg whites
Egg whites are especially beneficial for patients with kidney failure. Because this is a high-quality protein source with all 9 essential amino acids. For people with kidney failure, this food will help the body get enough amino acids, while overall protein intake is still controlled daily. At the same time, phosphorus – a mineral that needs to be limited when suffering from kidney failure – is also relatively low in egg whites. Therefore, this will be one of the top kidney nourishing foods for people undergoing treatment or at risk of chronic kidney failure.

14. Hanoi plum
The content of vitamin C in the kidneys is quite high, so this fruit has strong anti-inflammatory and antioxidant effects. In addition, the kidneys also contain a lot of fiber, isatin and sorbitol – nutrients that are especially beneficial for the digestive system, helping to regulate the function of this organ. Adding plums to your daily menu will help regulate bowel movements and reduce the risk of prolonged constipation – one of the indirect causes of kidney failure. However, because this fruit possesses a large amount of oxalate – a compound that causes kidney stones, you should not consume plums too much and too often.

15. Pineapple (Pineapple)
Pineapple contains many beneficial nutrients such as manganese, magnesium, vitamin B1, vitamin C, bromelain, etc. Therefore, this fruit has the ability to effectively cleanse and fight inflammation, help detoxify and heal the kidneys, and at the same time maintain the functions of this agency. In particular, the enzyme bromelain has notable effects in dissolving calcium oxalate crystals, preventing kidney stone formation. Therefore, eating pineapple regularly will help the kidneys be purified and maintain an optimal state.

16. Citrus fruits
Citrus fruits such as grapefruit, oranges, and tangerines are rich sources of fiber and vitamin C. They help heal damage caused by oxidative stress and free radicals and preserve kidney function. Therefore, adding this fruit to your daily menu will be an effective method to maintain kidney health and prevent chronic kidney disease.

17. Peach
Peaches are rich in fiber, vitamin C and other antioxidants such as polyphenols, carotenoids, etc. Therefore, this fruit helps support the digestive system, eliminate toxins from the body and protect kidney cells. against agents that cause damage and infection. In addition, like apples, peaches also contain a small amount of natural potassium, which helps balance the pH in urine, reducing the risk of kidney stones.

kidney food, peaches
Peaches are rich in polyphenols and carotenoids, which help protect the kidneys against oxidative stress

18. Asparagus
Asparagus is low in calories but provides a lot of fiber, vitamins A, C, E and K. This vegetable has the same effect as a diuretic, because of its ability to quickly remove toxins and excess fluid from the kidneys. quickly. At the same time, it also soothes the kidney tubules, preventing kidney and bladder stones. With the above effects, asparagus will be an indispensable kidney food in your daily menu, helping you maintain optimal kidney health.

19. Celery
Thanks to its ability to reduce uric acid and stimulate urine production, celery is a top kidney food that helps defeat kidney stones, kidney failure and pyelonephritis. This vegetable also contains polyphenols and flavornoids, which help prevent the activity of free radicals – the main cause of chronic diseases such as cardiovascular disease, arthritis, etc.

20. Cucumber
Cucumbers provide large amounts of water and fiber, which have the ability to wash away toxins, bacteria, residue and stones in the kidneys. At the same time, thanks to its characteristic alkalinity, this fruit also helps neutralize uric acid in the blood, preventing diseases caused by urea accumulation such as nephritis, kidney failure, gout, congestive heart failure and malnutrition. When adding cucumbers to your daily menu, you can eat them directly or blend them with carrots and pears to increase the nutritional content.

21. pear
Pears possess low sodium content, so do not affect or put pressure on kidney activity. This fruit is also rich in fiber and antioxidants such as vitamins C, E, and quercetin. Therefore, eating pears regularly will help remove waste and toxins from the body, while controlling the harmful effects of free radicals, preventing chronic diseases.


According to research, a diet supplemented with pears and reduced meat and salt has a positive impact on the risk of cardiovascular metabolism and kidney stone formation. Thus, pears are not only a kidney food but are also beneficial for other organs in the body.

22. Watermelon
Containing up to 92% water content, watermelon is a kidney food that helps purify the kidneys effectively. A serving of watermelon (154 g) as a snack also provides you with all the necessary antioxidants such as vitamin C, beta carotene, and lycopene. Therefore, this fruit not only has the effect of clearing heat, detoxifying, reducing pressure on the kidneys, but also helps heal damage and improve kidney function.

Kidney nourishing food, watermelon
Watermelon is rich in water, helping the kidneys effectively detoxify

23. Skinless chicken
Skinless chicken is rich in high-quality protein, but low in sodium and phosphorus, suitable for people with kidney disease. The protein in this food can provide all 9 essential amino acids, helping you maintain a healthy body and good immunity. Besides, by removing the skin, the bad fat content in chicken meat is also controlled to the lowest level. Therefore, this will be a rich source of healthy protein among kidney nourishing foods.

24. Arugula
Arugula or rocket lettuce contain nitrates – compounds that help lower blood pressure and can prevent the kidneys from overworking, leading to functional decline. In addition, vitamin K, manganese and calcium in this vegetable also help maintain strong bones, preventing bone brittleness due to phosphorus accumulation in people with kidney failure. Therefore, add arug

25. Macadamia nuts
The amount of potassium and phosphorus in macadamia nuts is relatively low when compared to other nuts such as almonds and cashews. Therefore, regularly consuming this type of nut will not put pressure on the kidneys, preventing dangerous complications caused by hyperkalemia/hyperphosphatemia. Besides, macadamia is also rich in calcium, good fats, folate, magnesium, copper, iron and manganese,… which help support the smooth functioning of the digestive system, strong bones and joints and good circulation.

26. Shiitake mushrooms
Shiitake or shiitake mushrooms contain almost all the nutrients necessary for the kidneys to function effectively, such as: protein, B vitamins, copper, manganese, selenium and fiber. In addition, the phosphorus content in this mushroom is also relatively low, which is very beneficial for people with kidney disease. Therefore, if you have kidney-related diseases and want to build a vegan diet, shiitake mushrooms will be a great source of nutrition.

Above is a list of foods that nourish the kidneys, helping this organ stay healthy and function optimally. Hopefully, this article has provided you with basic knowledge about a diet good for your kidneys and suggested useful and practical kidney-boosting foods.

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