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Low Potassium Vegetables

Written by Daisy Whitbread, MScN
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Low Potassium Vegetables

For those diagnosed with chronic kidney disease (CKD) the shock of being diagnosed with the disease is often accompanied with dietary guidelines restricting intake of potassium and other electrolytes. The next realization is that almost all vegetables contain some amount of potassium.

While this is true, there are a few vegetables out there which are low in potassium, and the amount of potassium in vegetables can be further reduced by soaking the vegetables in water before cooking in a process called leaching. This works well for vegetables which will be eaten raw. Cooked vegetables should be boiled, and the water they are boiled in should be discarded.

For this list, a low potassium vegetable can be considered to have less than 200mg of potassium per serving (please watch portion sizes). (2) The list of vegetables below serves as a suggestion of low potassium vegetables for your diet and is for informational purposes only. Please work with your primary care provider to establish a proper diet.

The amount of potassium in vegetables may vary based on the soil and conditions which they are grown. The numbers below can be considered averages across the U.S. To be safe, incorporate new vegetables into your diet slowly and in small quantities.

Low potassium vegetables include cilantro, alfalfa sprouts, lettuce, arugula, kale, napa cabbage, leeks, spaghetti squash, sweet onions, eggplant, and more. (1) For more low potassium vegetable ideas, see the extended list complete ranking of over 200 vegetables low in potassium.

Most vegetables are low in calories, and so should be eaten with other low potassium foods.

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List of Low Potassium Vegetables

Cilantro Leaves
1/4 cup of fresh cilantro contains 2mg sodium, 2mg phosphorus, 1mg magnesium, and 3mg calcium.
2Alfalfa Sprouts
Alfalfa Sprouts
1 cup of alfalfa sprouts contains 2mg sodium, 23mg phosphorus, 9mg magnesium, and 11mg calcium.
Red Leaf Lettuce
1 cup of shredded lettuce contains 7mg sodium, 8mg phosphorus, 3mg magnesium, and 9mg calcium.
1 cup of fresh arugula contains 5mg sodium, 10mg phosphorus, 9mg magnesium, and 32mg calcium.
Leaves of Kale
1 cup of fresh kale contains 6mg sodium, 15mg phosphorus, 8mg magnesium, and 24mg calcium.
6Napa Cabbage
Napa Cabbage
1 cup of boiled and drained Napa cabbage contains 12mg of sodium, 21mg phosphorus, 9mg magnesium, and 32mg calcium.
1/4 cup of boiled and drained leeks contains 3mg of sodium, 4mg phosphorus, 4mg magnesium, and 8mg calcium.
8Spaghetti Squash
Spaghetti Squash
1 cup of boiled and drained spaghetti squash contains 28mg of sodium, 22mg phosphorus, 17mg magnesium, and 33mg calcium.
1 cup of cooked onions contains 10mg sodium, 29mg phosphorus, 8mg magnesium, and 17mg calcium.
1 cup of boiled and drained eggplant contains 1mg of sodium, 15mg phosphorus, 11mg magnesium, and 6mg calcium.
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1 cup of shredded raw cabbage contains 13mg of sodium, 18mg phosphorus, 8mg magnesium, and 28mg calcium.
12Peeled Cucumber
Slices of Cucumber
1 cup, sliced of raw peeled cucumber contains 2mg of sodium, 25mg phosphorus, 14mg magnesium, and 17mg calcium.
1 cup of raw spinach contains 24mg sodium, 15mg phosphorus, 24mg magnesium, 30mg calcium.
1 cup of boiled and drained cauliflower contains 18mg of sodium, 40mg phosphorus, 12mg magnesium, and 20mg calcium.
Stalks of Celery
1 cup of chopped raw celery contains 81mg sodium, 24mg phosphorus, 11mg magnesium, and 40mg calcium.

See All 200 Vegetables Low in Potassium

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Data Sources and References

  1. USDA National Nutrient Database for Standard Reference, Release 28.
  2. National Kidney Foundation on Potassium and Your CKD Diet
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