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16 Best Foods for Kidney Health

16 Best Foods for Kidney Health

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Kidneys are the unsung superheroes of the body, working tirelessly to filter waste and excess fluid from the blood. Despite this, many of us neglect our kidney health until complications arise. According to a survey, 1 in 7 U.S. adults suffers from chronic kidney disease (CKD).

Although genetics and chronic health conditions like diabetes and high blood pressure can increase your chances of developing kidney disease, you can help prevent this by adopting a diet that supports kidney health. For instance, studies have shown that a plant-based diet, which is naturally low in sodium, can help prevent kidney disease or slow its progression, as well as doing wonders for heart health.

Here are 16 of the best foods to boost kidney health. These foods contain antioxidants, fiber, and bioactive compounds, which help reduce inflammation and oxidative stress. Your kidneys will thank you later!

1. Blueberries

Fresh blueberries in a handful
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Blueberries are a powerhouse of antioxidants and have plenty of health benefits, especially for your kidneys. They contain a compound called anthocyanins, which help to protect kidney cells from oxidative stress. This is good for kidneys, which constantly filter waste out of our bodies. 

Research shows that blueberries lower the risk of developing chronic kidney disease. They are low in sodium and potassium, making life easier for your kidneys.

2. Egg Whites

Close-up partial view of young man preparing egg omelet for breakfast
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Egg whites are your best buddies if you’re looking to boost your kidney health. They are low in phosphorus, a mineral that can be harmful in excess for those with compromised kidney function, yet they are high in protein.

This means that egg whites contain essential amino acids to perform various bodily functions efficiently, including muscle repair and immune support, without the added phosphorus found in egg yolks. Additionally, their low sodium content helps to manage blood pressure.

3. Cauliflower

Man and pregnant woman at kitchen with vegetables cauliflower
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Cauliflower is a kidney-friendly vegetable that is low in calories and high in fiber. Packed with essential nutrients like vitamins C, K, and folate, it supports kidney function and offers a wealth of antioxidants and anti-inflammatory properties.

Additionally, an average-sized serving of cauliflower is low in sodium, making it a good choice for kidney health. Try serving mashed or steamed cauliflower as side dishes at mealtimes, and your kidneys will thank you.

4. Radish

Fresh organic radish
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Another good addition to your renal diet is radish. This crispy vegetable is a refreshing and nutritious option for keeping your kidneys healthy. It contains vitamins C, K, and folate, boosting kidney health. 

They are also fiber-rich, which helps to regulate blood sugar and aid digestion. Their low sodium content means you can add them to your guilt-free salads, sandwiches, or even snack time.

5. Chicken

Grilled chicken fillets
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Skinless chicken is a fantastic option for your kidneys. It’s packed with lean protein, which helps repair tissues and keep your muscle mass in check, all without the extra sodium and saturated fats that can weigh down your kidneys.

Removing the skin also reduces unhealthy fat, making it a heart-healthy choice. However, if you have a kidney condition, limit the amount of protein you eat to 2-3 ounces. This way, you can support your kidney function without putting too much stress on the organs.

6. Bell Peppers

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Bell peppers are a vibrantly colored and nutritious option if you are looking to imrpove your kidney function. They contain high levels of Vitamins A, C, and potassium.

Studies show that these nutrients are excellent for immune function and digestion and limit the risk of kidney diseases.

7. Macadamia Nuts

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Macadamia nuts are a nutrition-dense snack with low levels of phosphorus. This makes them a great snack option for those with kidney issues.

They also have good levels of monounsaturated fats, vitamin B, calcium, and magnesium, making them a satisfying and nutritious addition to your diet.

8. Onions

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We wouldn’t recommend eating onions by themselves, but they can be combined with some other foods on this list to make a delicious meal to benefit your kidney health. 

Onions are rich in minerals and vitamins like C and K and low in potassium and phosphorus, so they are great for maintaining and promoting kidney health. Onions also contains prebiotic fibers, which feed beneficial gut bacteria and contribute to a healthy digestive system.

9. Garlic

Closeup of woman holding up bunch of garlic
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Garlic is a magician when it comes to adding delicious flavours to any meal. Instead of adding salt to your food, try using garlic instead. Not only will it provide an excellent taste, but it is also good for kidney health. 

Garlic contains Vitamin B, manganese, and other antioxidants with anti-inflammatory properties. These vital nutrients lower blood pressure and cholesterol levels, promoting better kidney function

10. Sea Bass

Sea Bass
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Another highly recommended lean protein on the list is sea bass. This fish is low in saturated fats and sodium. It contains Omega-3s, which enhance immunity and lower the risk of many diseases.

Omega-3s help repair and build tissues, including those in the kidneys. But be careful to avoid adding a lot of salt or oil when cooking it, as this will reduce its nutritional value. 

11. Olive Oil

Cropped shot of woman pouring olive oil into glass bowl with salad near vegetables on countertop
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Olive oil is a healthy fat that benefits the heart and overall health. It is abundant in vitamin E and doesn’t contain phosphorus. 

It also contains oleic acid, which has anti-inflammatory properties. You can cook various foods in it, while remaining stable at high temperatures. That’s why doctors recommend patients with kidney diseases use it for cooking.

12. Turnip

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Turnips have a range of benefits, as they contain fiber, vitamin C, vitamin B6, and manganese. You can eat this vegetable by adding it to salads, boiling it, or serving it as a side dish. 

They are kidney-friendly due to their low sodium and phosphorus content. A half-cup serving of cooked turnips contains only 25 mg of sodium and 276 mg of potassium. 

13. Pineapple

Closeup of knife and slices of fresh ripe pineapple
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Pineapple is the best sweet treat if you’re looking for fruits that are good for your kidneys. This tropical fruit is a great source of vitamin C.

It also contains bromelain enzymeswhich have anti-inflammatory properties. However, as it is high in sugar, make sure to consume it in moderation. Excessive intake may also cause other health problems

14. Arugula

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Arugula is a leafy green vegetable that can be another nutritious element in your diet. It has fewer calories while being high in vitamins and minerals, such as vitamin K, manganese, calcium, and phosphorus.

All of these nutrients, when combined, promote good overall health, ultimately leading to balanced kidney function.

15. Cranberries

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Cranberries are small, tart berries known to be great for regulating kidney function. They are full of antioxidants that keep cell damage at bay.

It contains phytonutrients called A-type proanthocyanidins, which prevent bacteria from sticking to the urinary tract walls. This reduces the risk of UTIs and other kidney infections. 

16. Shiitake Mushrooms

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Shiitake mushrooms are a nutritious option for a plant-based diet. They offer a savory flavor and meaty texture to meals, and are an excellent plant-based protein, making them an excellent meat substitute

Compared to other mushroom varieties like portabella, shiitake mushrooms contain all the essential nutrients, such as B vitamins, copper, manganese, and selenium.

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