Keep These 7 Best Foods for Kidney Disease in Your Kitchen

As a CKD patient, you can never be too careful about the food you eat. You, of course, have to look out for your sodium, protein, potassium, phosphorus, and sodium (SPPP) limits.

Thankfully, the following food items are kidney-friendly, easy to incorporate in your diet, and are just what you need to optimize your kidney functions. In other words, these are the best foods for kidney disease patients.

Disclaimer: these measurements come from our eBook resources and products, which are dietitian-verified. Also, the sodium, protein, potassium and phosphorus (SPPP) values are from the USDA database.

Cherries

Suggested serving size: about 10 pieces

Sodium: 0 mg
Protein: 0.87 g
Potassium: 182 mg
Phosphorus: 17 mg

First one in our renal diet food list article are cherries.

These little, often-red fruits have the ability to reduce redness and swelling, and contains healthy amounts of vitamin C, vitamin K, folate, vitamin B6, magnesium, and citrate. (Note: the tarter the cherry, the higher the level of citrate.)

Citrate, an acid compound commonly found in citrus fruits, reduces uric acid, which leads to gout and arthritis, in the bloodstream. People who enjoy these have been found to have lower uric acid levels and, in turn, have lower risk of gout attacks.

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Cranberries

Suggested serving size: ½ cup, fresh

Sodium: 1 mg
Protein: 0.23 g
Potassium: 40 mg
Phosphorus: 6 mg

A patient once asked us, "Is cranberry juice good for kidney disease?" Our answer: a resounding YES.

This amazing fruit has been traditionally used by women to fight off UTIs, with great results. It also offers high levels of vitamin C and manganese. It's also included in the list of foods that are low in potassium, a nutrient that, when unchecked, contributes to kidney disease.

Research has also shown pure cranberry juice diluted in water reduced urinary levels of oxalate and phosphate which, in turn, reduce kidney stone formation. Needless to say, cranberries are one of the best foods for kidney support.

Cinnamon

Suggested serving size:
1 teaspoon (2.6 g)

Sodium: 0 mg
Protein: 0.10 g
Potassium: 11 mg
Phosphorus: 2 mg

A famous spice, but is also known for its ability to help regulate glucose levels. In other words, it helps the body manage glucose better and offer protection from blood sugar disorders. It’s been found that excess glucose from diabetes causes damage to the kidneys.

Studies also confirm that cinnamon can be used as a supplement without worry of increasing oxalate risk. Oxalates are naturally-occurring substances found in a wide variety of foods that, if not regulated properly, can over-accumulate in the body, especially the kidneys.

Fair warning, though: too much cinnamon can cause liver damage, so it's better to stick to the 1-teaspoon-per-day limit.

Raspberries

Suggested serving size: ½ cup, fresh

Sodium: 1 mg
Protein: 0.74 g
Potassium: 93 mg
Phosphorus: 18 mg

Raspberries, which you can easily add to your cereal, is a good source of ellagic acid, a phytonutrient which helps neutralize free radicals in the body.

They are also excellent sources of antioxidants called anthocyanins, vitamin C, fiber, and manganese, among other nutrients. What's more, they may even have properties that stop the growth of cancer and certain tumors!

Blueberries

Suggested serving size: ½ cup, fresh

Sodium: 1 mg
Protein: 0.55 g
Potassium: 57 mg
Phosphorus: 9 mg

These aptly-named kidney savers are also good sources of vitamin C, manganese, and fiber. They also full of natural compounds that help reduce inflammation.

Not only that, it's also high in antioxidant phytonutrients anthocyanidins. And, like other berries, the antioxidants in blueberries been known to help slow bone breakdown in rats in different tests and studies.

Olive Oil

Suggested serving size: at least 2 tablespoons (27 g)

Sodium: 1 mg
Protein: 0 g
Potassium: 0 mg
Phosphorus: 0 mg

Olive oil, much like fish, is a provider of nutrient-dense, unsaturated fats. It's considered to be the healthiest of oils.

It is also the basis for the Mediterranean diet, which consists mainly of plant-based foods (fruits, vegetables, whole grains, etc.) and uses spices and herbs instead of salt for flavor. 

A study has found individuals suffering from CKD who adopted this diet experienced improvements in both symptoms and survival. The active components in olives improve the life of CKD patients, and will certainly provide kidney support to anyone looking to maintain kidney health.

Garlic and Onion 

Suggested serving size: 3 cloves (for garlic), ½ cup, cooked (for onions)

Sodium: 2 mg, 3 mg
Protein: 0.57 g, 0.88 g
Potassium: 36 mg, 117 mg
Phosphorus: 14 mg, 23 mg

These two are common ingredients in dishes, but who knew they could be so beneficial to CKD patients?

Both spices apparently contain quercetin, a powerful flavonoid associated with antioxidant benefits and potency against redness and irritation. This is helpful as an anti-inflammatory substance to the kidneys. Research also shows that quercetin provides kidney protection, especially for smokers.

For non-smokers, the bonus protection that it provides, combined with improved fat metabolism, will help protect the body’s filters.


If you have been enjoying these foods for a time now, then you are lucky! And for those who don’t, it is advised to start incorporating them in your diet now to keep and, hopefully, improve the strength of your body’s bean-shaped filters.

And here, something to help you manage kidney disease even further; a FREE Renal Cooking eBook. Write your name and email below to get your own copy of this renal diet food list!

Any other foods for kidney support you know of? Let us know in the comments section!

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