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Home » Minerals

Low Phosphorus and Potassium Foods

aaron l gravelyMedically Reviewed by Aaron Gravely, MD · Written by Rizza Joyce Mira, MD · Updated on May 8, 2023

Phosphorus and potassium occur naturally in many foods and are essential to many bodily functions. Phosphorus supports the growth and repair of cells and tissues and DNA production, while potassium helps maintain the fluid balance in cells. Therefore, getting enough of these nutrients in your diet is essential, and everyone needs some.

low phosphorus low potassium foods for healthy kidneys

However, people suffering from kidney issues may need to limit their intake of both as their kidneys struggle to remove any excess. These people must be aware of common foods' phosphorus and potassium contents and ensure they stay within the limits recommended by their doctor.

Fortunately, many foods are low in phosphorus and potassium, which can be added to a kidney-friendly diet. There are also some tasty low-potassium snacks.

Table of Contents
  • 20 Foods Low in Phosphorus and Potassium

20 Foods Low in Phosphorus and Potassium

1. Cucumber

  • Phosphorus: 19.5 mg
  • Potassium: 90.5 mg
simple cucumber salad
Cucumber Salad

Peeling cucumber removes some phosphorus and potassium, making it an excellent addition to your diet if you suffer from kidney issues.

Cucumbers are mostly water, so they keep you hydrated and replenish electrolytes.

2. Cabbage

  • Phosphorus: 24.8 mg
  • Potassium: 196 mg
shredded green cabbage

Half a cup of cooked cabbage is low in phosphorus but relatively high in potassium; however, most people suffering from kidney problems should be able to tolerate it.

Cabbage contains vitamins C and K and manganese and is high in antioxidants that help flush out harmful free radicals from your body, preventing oxidative stress and cellular damage.

3. Cauliflower

  • Phosphorus: 39.6 mg
  • Potassium: 176 mg
cauliflower nutrients
Cauliflower nutrition

A cup of cooked cauliflower doesn't contain enough phosphorus or potassium to cause problems for most on a kidney-friendly diet. 

Cauliflower also contains choline, which supports brain health, and compounds that lower the risk of high blood pressure, heart attack, and stroke.

4. Cherry tomatoes

  • Phosphorus: 17.9 mg
  • Potassium: 176 mg
red and yellow cherry tomatoes

Most tomatoes are high in potassium, but half a cup of cherry tomatoes is a safe dietary addition for most people with kidney issues. 

All tomatoes contain lycopene, a potent antioxidant that may reduce the risk of several chronic conditions, including type 2 diabetes and cancer.

5. Apples

  • Phosphorus: 20 mg
  • Potassium: 195 mg
apples for good health
Eat more apples

One medium apple is low in phosphorus, but its potassium content may be a little high for some people.

Apples are a great source of fiber, which feeds good gut bacteria, improves digestion, and soaks up excess stomach acid, alleviating or preventing acid reflux or GERD symptoms. They're also high in vitamins C and B6.

6. Cherries

  • Phosphorus: 17 mg
  • Potassium: 178 mg
red cherries on white plate

Cherries are low in phosphorus but can be high in potassium, so keep your serving size to around ten. 

They are highly nutritious and a great source of vitamin C, which boosts your immune system and contributes to skin health. 

They're also high in antioxidants, including beta-carotene, which is thought to lessen the symptoms of Alzheimer’s and age-related cognitive decline.

7. White rice

  • Phosphorus: 33.8 mg
  • Potassium: 26.6 mg
cooked white rice in a bowl
Rice Bowl

Half a cup of white rice is very low in phosphorus and potassium and a quick, easy energy source. 

White rice is less nutritious than whole-grain, but it's easier to digest and more versatile in the kitchen.

8. Buckwheat groats 

  • Phosphorus: 59 mg
  • Potassium: 74 mg
close up of cooked buckwheat in a bowl

Buckwheat groats are low in phosphorus and potassium but are healthier than white rice.

They’re loaded with fiber, minerals, and vitamins and may help reduce blood sugar levels, improve heart health, and protect against cancer. 

9. Jams

  • Phosphorus: 1.8 mg
  • Potassium: 46.2 mg
apricot fruits and apricot jam
Apricot Jam

Nut butter, like peanut butter, is high in phosphorus and potassium. It's the same with jams. Three tablespoons of apricot jam is a great alternative. However, like all jams, it's high in sugar and calories.

10. Egg whites

  • Phosphorus: 4.9 mg
  • Potassium: 53.8 mg
raw egg yolk in bowl

One large egg white is low in both nutrients but is an excellent protein source, which can be hard to find on a diet such as this.

They're also low in bad cholesterol and fat, both of which can negatively impact heart health.

11. Almond milk

  • Phosphorus: 23.5 mg
  • Potassium: 88 mg
almond milk and almonds
Almonds and Almond Milk

Most dairy products tend to be high in phosphorus, so almonds and other plant milks are excellent alternatives. 

Half a cup of almond milk is safe for your kidneys and is highly nutritious. 

12. Eggplant

  • Phosphorus: 14.8 mg
  • Potassium: 122 mg
organic roasted grilled eggplants

One cup of cooked eggplant is a tasty, kidney-friendly dish. Eggplant is rich in fiber and the antioxidants vitamins A and C, which may help prevent type 2 diabetes.

13. Blueberries

  • Phosphorus: 17.8 mg
  • Potassium: 114 mg
organic blueberries in a heart shaped bowl

One cup of blueberries fits well into this diet and is an excellent source of fiber and antioxidants.

The compounds and nutrients in blackberries may lower your risk of heart disease and cancer and are also anti-inflammatory. 

14. Corn

  • Phosphorus: 42.9 mg
  • Potassium: 137.7 mg
a bowl of canned corn

A 3-ounce serving of canned corn contains a good amount of vitamin C and folate, which benefit your general health, especially when pregnant. 

Corn is a great source of fiber, which helps keep you regular.

15. Watermelon

  • Phosphorus: 16.9 mg
  • Potassium: 173 mg
watermelon slices
Is watermelon healthy?

A cup of watermelon doesn't contain enough potassium to cause problems for most. It also keeps you hydrated and replenishes electrolytes. 

Watermelon contains potent anti-cancer compounds and others that may improve your heart health. It's also a good source of magnesium, which reduces muscle soreness.

16. Pita

  • Phosphorus: 58.2 mg
  • Potassium: 72 mg
pita bread in a basket

Plain white pita is lower in potassium and phosphorus than other types and is also lower in calories. 

Pita also contains thiamin, manganese, and calcium.

17. Carrots

  • Phosphorus: 23.4 mg
  • Potassium: 183 mg
carrots with fresh carrot juice
Fresh Carrot Juice

Low in phosphorus but slightly high in potassium, half a cup of cooked carrots also contains vitamin A.  

Carrots contain fiber, which keeps you feeling full longer after eating.

18. Lemonade

  • Phosphorus: 4.9 mg
  • Potassium: 37 mg
lemonade with mint and fresh lemons

Like lemon, lemonade is a great vitamin C source and is safe for those suffering from kidney problems.

19. Shrimp

  • Phosphorus: 116 mg
  • Potassium: 155 mg
pan fried butter garlic shrimp
Pan-fried Butter Garlic Shrimp

A 3-ounce serving of shrimp is higher in phosphorus than most on this list, but it’s a great, low-calorie protein source. 

It’s also rich in selenium, choline, and vitamin B12, all of which contribute to your cognitive health.

20. Soft Tofu

  • Phosphorus: 107 mg
  • Potassium: 139 mg
silken tofu for cooking

Tofu is a great alternative to meat for those following a plant-based diet. It’s highly nutritious and contains anti-inflammatory compounds and antioxidants. 

Tofu is a complete protein, meaning it contains all essential amino acids. 

Related posts:

  1. Are Potassium Supplements Necessary or Can I Just Eat Natural Foods?
  2. Does Phosphoric Acid Have Health Benefits? Are You Eating Too Much?
  3. Is Half-and-Half Bad For You? Everything Explained.
  4. Potassium 101: All You Need To Know About Potassium
  5. The Best Treatments for Kidney Stones According to Evidence
  6. Are Beets High in Potassium?

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aaron l gravely

Aaron L. Gravely, MD earned his MD from Columbia University College of Physicians & Surgeons and BA in Neurobiology from Harvard College.

Aaron has over 5 years of experience revising medical content and scientific language for usage, flow, and clarity in accordance with the American Medical Writers Association (AMWA) and the American Medical Association (AMA).

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