When it comes to taking care of your body, you probably don’t think about your kidneys. But this pair of organs does more for your health than you realize. They remove wastes from the body while ensuring that the water, salts and minerals are balanced in your blood. The kidneys also make hormones that create red blood cells, control your blood pressure and maintain your bone health.

Roughly one in seven American adults has chronic kidney disease, which can cause waste and fluid buildup in your body. Your risk for CKD is partly tied to the foods you eat. Eating the wrong foods can increase your risk while filling your diet with nutrient-rich foods can safeguard your kidney health. 

These are the 13 foods to eat to make sure your kidneys are healthy. While you’re at it, see which foods can protect your heart, nourish your mind and make you happy.

1. Fatty fish 

Fish delivers protein, and when you choose a fatty fish like tuna, salmon or trout, you’re also getting omega-3 fatty acids. Omega-3 fats may help reduce fat levels (triglycerides) in the blood and may also lower blood pressure, according to the National Kidney Foundation.

If you have CKD, you may need to keep an eye on the phosphorus and potassium levels of the fish you choose. The National Kidney Foundation has a chart you can use to determine levels in specific types of fish. Although, it’s best to consult with your doctor.

2. Cabbage 

This nutrient-dense vegetable is low in both potassium and sodium while packing in fiber, vitamins C and K and more. 

Plus, cabbage is versatile. You can use it in salads and slaws, but you can also use it as a wrap for tacos, sandwiches and more. 

3. Bell peppers 

Like cabbage, bell peppers pack in lots of good nutrients with low levels of potassium. With them, you get vitamins B6, B9, C and K, plus fiber. They deliver antioxidants too.

You can slice them and eat them with dips or roast them and add them to dinner.

Read more: 8 Things Your Body Is Telling You About Your Vitamin Intake

4. Cranberries 

Cranberries help to prevent urinary tract infections. These usually stay in your bladder, they can travel up to your kidney, making kidney problems worse. Fortunately, regularly consuming cranberries can help you avoid this unwelcome situation. 

Plus, cranberries have antioxidants that can help fight inflammation, and they can boost your heart and digestive health. It turns out, these tart berries aren’t just for the Thanksgiving table. 

5. Blueberries 

We’ve talked about some of the best foods for kidneys, but you can take it a step further. The question is: What foods help repair kidneys? Blueberries deliver. 

With high levels of antioxidants and loads of vitamin C and fiber, blueberries are all-around healthy. They can also help to reduce inflammation and support bone health, reversing some of the issues that can come with CKD. 

6. Dark, leafy greens 

There are plenty of reasons to turn to dark, leafy greens like spinach or kale. They deliver so many nutrients that they can help you get key vitamins and minerals, plus immunity-boosting benefits. 

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Be advised that greens can come with a decent amount of potassium. If you have CKD, talk to your doctor before adding more of these to your diet. 

7. Olive oil

Rich in antioxidants and healthy fatty acids, olive oil can boost your overall wellness. A study from Harvard University found that olive oil may lower cholesterol levels and the risk of cardiovascular disease, dementia and some types of cancer.

Beyond all this, it can help you add flavor to dishes without turning to salt or butter. 

To get more antioxidants, choose unrefined or cold-pressed olive oil that’s virgin or extra virgin. 

8. Garlic 

Another antioxidant-rich, inflammation-fighting food, garlic also contains a specific compound called allicin. For people with CKD, allicin – an active compound found in garlic – worked just as effectively to help protect kidney health as a prescription drug. If you’re looking for the best foods for your kidneys, garlic has to make the list. 

Plus, it’s an excellent way to add flavor when you’re skimping on salt. 

9. Onions 

From the same family as garlic, onions give you another excellent and salt-free way to add flavor (bonus points if you saute them in olive oil). Onions also deliver important nutrients like vitamins B6 and C, manganese and copper. 

They also contain quercetin, a chemical that can help your body fight cancer, and organic sulfur compounds that can reduce your risk of high blood pressure, stroke and heart disease. 

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10. Cauliflower 

Cauliflower brings the crunch, paired with plenty of vitamins C, B6, B9 and K, along with fiber. It also contains compounds your body can use to neutralize certain toxins – a big help when your kidneys aren’t doing their best filtration work. 

Cauliflower does contain some potassium and phosphorus, though, so while it makes the list of foods good for kidneys, people with CKD may want to moderate their intake. 

11. Egg whites 

Egg whites are specifically recommended for people with kidney problems. They give you a way to increase your protein levels – which can be important with later-stage CKD, especially if you’re on dialysis. 

12. Arugula 

Arugula is packed with nutrients your body needs like magnesium, iron, calcium and vitamins A, B9, C and K. Plus, it’s antioxidant-rich and has glucosinolates, which can help your body protect itself against a range of cancer types. 

You can eat arugula raw (it’s a great salad base), but you can also sprinkle it over whatever you’re whipping up. It’s great on pizzas, in omelets and with pasta, for example. 

13. Apples 

Apples deliver the cancer-fighting quercetin and fiber that can help to keep your cholesterol and blood sugar at healthy levels. They’ve got plenty of antioxidants. 

Better yet, they’re easy to work into your diet. Leave a bowl of apples on your counter and you’ll have a kidney-healthy, grab-and-go snack whenever you need one. 

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