Top 15 Healthy Foods for Kidney Function | KHC (2024)

The kidneys are a vital part of the body that filter out unwanted substances from the blood and help maintain fluid balance. Maintaining optimal kidney function requires a comprehensive approach, and having a healthy diet is one important part of keeping the kidneys healthy. By making the switch to eating more nutritious foods, you can be one step closer to preventing your kidneys from further damage.

Foods for a Renal Diet

Always speak with your doctor before making any changes to your diet, especially if you have or are at risk of kidney disease. The following foods are examples of some healthy options for people looking to maintain kidney health.

1. Red Bell Peppers

Red bell peppers are a good choice for people with kidney disease because they are low in potassium and high in flavor. In addition, red bell peppers have the added benefit of containing an antioxidant known as lycopene. Lycopene is known for helping improve blood flow and protecting against heart disease, cancer, and other serious health problems.

Try adding red peppers to your salads, sandwiches, or pasta dishes for a healthy and delicious meal.

2. Cabbage

Cabbage is an excellent addition to your meal plan because it is low in potassium and high in fiber. It’s also a good source of vitamin K, which is important for blood clotting and healthy bones.

Try adding cabbage to your salads, soup, or as a topping for fish tacos.

3. Apples

Apples are low in potassium, phosphorus, and sodium, making them an excellent choice for a renal diet. So the next time you are looking for a snack, reach for an apple.

4. Cranberries

Cranberries are low in potassium and high in vitamin C, making them another great choice for people with kidney disease. Cranberry juice has also been shown to help prevent urinary tract infections, which are typical for people with kidney disease.

Try adding cranberries to your oatmeal or drinking cranberry juice with your breakfast. Just be sure to read the label to make sure the cranberry juice you choose is low in potassium.

5. Blueberries

Low in sodium and phosphorus, blueberries are a great addition to your kidney-friendly diet. They are also a good source of fiber, vitamin C, and antioxidants.

Enjoy blueberries as part of a healthy breakfast or snack. Try adding them to a smoothie or yogurt.

6. Cherries

Cherries help reduce inflammation and are low in sodium and phosphorus. Anti-inflammatory diets are known to improve kidney function. Cherries can be enjoyed raw or dried as a tasty treat.

7. Tuna

Tuna is a good source of protein for people with kidney disease. When considering tuna, be sure to choose low-sodium canned albacore tuna. Tuna is also low in phosphorus and high in omega-three fatty acids, making it a healthy choice for people with kidney disease.

8. Salmon

Like tuna, salmon is a good source of protein and omega-three fatty acids. Salmon is also low in saturated fat.

9. Buckwheat

Whole grains are typically high in phosphorus, but buckwheat is an exception. Buckwheat is a good source of fiber, magnesium, and iron. If you have chronic kidney disease and are looking for a healthy whole grain to add to your diet, give buckwheat a try.

10. Radishes

Radishes are a low-potassium, high-flavor vegetable that makes a great addition to any renal diet. Radishes are also a good source of vitamin C and fiber.

11. Pineapple

Pineapple is a delicious and nutritious fruit low in potassium and high in vitamin C. It’s also a good source of bromelain, an enzyme that helps reduce inflammation. Try adding pineapple slices to your stir fry, or enjoy some fresh pineapple for dessert.

12. Shiitake Mushrooms

If you are looking to limit your animal-based protein intake as a part of your renal diet, look no further than shiitake mushrooms. Shiitake mushrooms are low in phosphorus and sodium while also being a fantastic plant-based protein.

13. Watermelon

This summer favorite is a good source of lycopene and vitamin C. While most melons are high in potassium, watermelon is an exception. Watermelon also contains the amino acid arginine, which has been shown to help reduce inflammation and improve blood flow.

14. White Rice

Those looking to limit the amount of phosphorus and potassium in their diet may find white rice to be a good option. White rice is low in both of these nutrients and high in carbohydrates.

15. Chicken

Chicken is a good source of protein, but be sure to choose low-sodium varieties when possible. For example, skinless chicken contains less sodium, phosphorus, and potassium than chicken with the skin on. Try adding skinless chicken breast to white rice for a kidney-friendly meal.

Contact The Kidney and Hypertension Center

The Kidney and Hypertension Center specializes in providing compassionate patient care for a range of kidney conditions. If you are experiencing any symptoms of kidney disease or are looking for ways to improve your kidney health, request an appointment today.

Top 15 Healthy Foods for Kidney Function | KHC (2024)

FAQs

What are the 15 foods that are good for your kidneys? ›

A DaVita Dietitian's Top 15 Healthy Foods for People with Kidney...
  • Red bell peppers. 1/2 cup serving red bell pepper = 1 mg sodium, 88 mg potassium, 10 mg phosphorus. ...
  • Cabbage. 1/2 cup serving green cabbage = 6 mg sodium, 60 mg potassium, 9 mg phosphorus. ...
  • Cauliflower. ...
  • Garlic. ...
  • Onions. ...
  • Apples. ...
  • Cranberries. ...
  • Blueberries.

What is the best food to improve kidney function? ›

To keep your kidneys working at their very best, try adding the following 20 foods into your weekly diet.
  • Water. ...
  • Onions. ...
  • Macadamia Nuts. ...
  • Fatty Fish. ...
  • Egg Whites. ...
  • Shiitake Mushrooms. ...
  • Radishes. ...
  • Turnips. Potatoes and winter squash are not recommended for someone with kidney issues, but turnips are a great alternative.
Nov 4, 2019

What are 10 superfoods to keep your kidneys healthy? ›

Best Foods for Kidney Health
  • Berries. Many fruits are high in potassium, but berries are not. ...
  • Apples. Apples are another fruit that's low in potassium. ...
  • Egg whites. ...
  • Cauliflower. ...
  • Chicken. ...
  • Bell peppers. ...
  • Pineapple. ...
  • Fish.
Dec 7, 2022

What is the best thing to drink for your kidneys? ›

We'll go through five drinks and juices that can help your kidneys function at their best.
  1. Water. About 60% to 70% of your body is water. ...
  2. Low-fat milk. ...
  3. Coffee. ...
  4. Green tea. ...
  5. Unsweetened cranberry juice.

What foods cleanse the kidneys? ›

A person can try adding these kidney-friendly foods to their diet:
  • pomegranate.
  • avocado.
  • tofu.
  • fish.
  • broccoli.
  • squash.
  • leafy greens.
  • tomatoes.

What is the best breakfast for kidney disease? ›

Whole foods that aren't overly processed are generally a good idea for your kidney-friendly breakfast.
  • Whole grain cereal, bagel, bread, or English muffin.
  • Oatmeal.
  • Fresh fruit such as a bowl of cut strawberries, grapes or pineapple.
  • Plant-based choices like almond milk, peanut butter, and chia seeds.
  • Eggs.

What foods are hard on the kidneys? ›

1. Salt
  • Canned soups.
  • Processed meats like lunch meats, hot dogs, sausages.
  • Frozen pizza.
  • Frozen dinners.
  • Snack foods like chips, crackers, pretzels.
  • Condiments like ketchup, BBQ sauce, soy sauce.
  • Salad dressing.
  • Pickled foods like pickles, olives, beets.

Are eggs good for the kidneys? ›

Healthy options for kidney disease are protein, egg whites, fish, unsaturated fats, fresh or frozen fruits and vegetables, apple juice, grape and cranberry juice, light colored soda. The amount of protein intake per day varies depending on the stage of kidney disease.

How can I make my kidneys stronger again? ›

If kidney function begins to decline, you can take the following steps.
  1. Keep your blood pressure and blood sugar within norms. This will help slow the decline in kidney function. ...
  2. Lower your cholesterol. ...
  3. Consider medication. ...
  4. Eat a plant-based diet; limit protein intake. ...
  5. Use NSAIDs with caution.
Sep 11, 2023

Are bananas good for the kidneys? ›

Damaged kidneys build up potassium in the blood, resulting in serious heart problems. Potassium is present in bananas, other fruits and vegetables (such as potatoes, avocados and melons). People with advanced kidney disease are usually advised to avoid some fruits and vegetables, including bananas.

What not to drink if you have kidney problems? ›

Many manufacturers of dark-colored drinks add phosphorus to their products to enhance flavor, prolong shelf life, and prevent discoloration. Phosphorus in its additive form, found in dark cola and beer, is highly absorbable by the human body and is not recommended for those following a renal diet.

What fruit is best for the kidneys? ›

Other fruits that may be recommended for promoting kidney health include:
  • Pears.
  • Peaches.
  • Clementines.
  • Nectarines.
  • Mandarins.
  • Plums.
  • Satsumas.
  • Watermelon.

What heals kidneys fast? ›

Fruits
  • Açai berries. Açai (ah-sigh-EE) berries are small fruits that grow in clusters like grapes and have a center pit. ...
  • Apples. Apples are rich in antioxidants and a good source of fiber and vitamin C. ...
  • Citrus. ...
  • Cherries. ...
  • Pomegranates. ...
  • Strawberries. ...
  • Tomatoes.

What damages the kidneys the most? ›

Diabetes is the most common cause of kidney disease. Both type 1 and type 2 diabetes. But also heart disease and obesity can contribute to the damage that causes kidneys to fail.

What foods help kidneys repair? ›

Good foods that help repair your kidneys include apples, blueberries, fish, kale, spinach, and sweet potatoes.

How many eggs can a kidney patient eat per day? ›

Most people with chronic kidney disease need between 60-70 grams of protein a day, which is the amount in about 7 ounces of meat or 10 large eggs. Individual protein needs will vary based on overall calories needs, activity level, and kidney function.

What are 5 foods to avoid for kidney disease? ›

Avoid foods that have salt in the first four or five items in the ingredient list. Don't eat ham, bacon, sausage, hot dogs, lunch meats, chicken tenders or nuggets, or regular canned soup. Only eat reduced-sodium soups that don't have potassium chloride as an ingredient (check the food label.)

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