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. The amount of potassium in vegetables can be further reduced by soaking the vegetables in water before cooking in a process called leaching. Further, vegetables should be boiled and the water they are boiled in should be discarded.

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

Low potassium vegetables include leeks, napa cabbage, collard greens, shiitake mushrooms, spaghetti squash, dill pickles, sweet onions, eggplant, bell peppers, okra (boiled and drained), peeled cucumber, cauliflower (boiled and drained), green beans (boiled and drained), and cabbage. For more low potassium vegetables, see the extended list of less common vegetables low in potassium.


#1: Leeks (Boiled and Drained)
Potassium in 100g 1/4 cup chopped (26g)1 leek (124g)
87mg (2% DV) 22.6mg (1% DV)107.9mg (2% DV)
1/4 cup of Boiled and Drained Leeks contains 3mg of sodium, 4mg phosphorus, 4mg magnesium, and 8mg calcium.
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#2: Napa Cabbage (Boiled and Drained)
Potassium in 100g 1 cup (109g)
87mg (2% DV) 94.8mg (2% DV)
1 cup of Boiled and Drained Napa Cabbage contains 12mg of sodium, 21mg phosphorus, 9mg magnesium, and 32mg calcium.
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#3: Collards (Boiled and Drained)
Potassium in 100g 1 cup, chopped (190g)
117mg (3% DV) 222.3mg (6% DV)
1 cup Chopped Boiled and Drained Collards contains 29mg of sodium, 61mg phosphorus, 40mg magnesium, and 268mg calcium.
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#4: Shiitake Mushrooms (Cooked)
Potassium in 100g 1 cup pieces (145g)
117mg (3% DV) 169.7mg (4% DV)
1 cup of cooked Shiitake Mushrooms contains 6mg of sodium, 42mg phosphorus, 20mg magnesium, and 4mg calcium.
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#5: Spagehtti Squash (Boiled and Drained)
Potassium in 100g 1 cup (155g)
117mg (3% DV) 181.4mg (5% DV)
1 cup of Boiled and Drained Spaghetti Squash contains 28mg of sodium, 22mg phosphorus, 17mg magnesium, and 33mg calcium.
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#6: Low Sodium Cucumber Dill Pickles (Drained)
Potassium in 100g 1 cup, (about 23 slices) (155g)1 large (4" long) (135g)
117mg (3% DV) 181.4mg (5% DV)158mg (4% DV)
1 cup, (about 23 slices) of Dill Pickles contains 28mg of sodium, 25mg phosphorus, 11mg magnesium, and 88mg calcium.
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#7: Sweet Onions (Raw or Cooked)
Potassium in 100g 1 onion (331g)
119mg (3% DV) 393.9mg (10% DV)
1 raw sweet onion contains 27mg of sodium, 89mg phosphorus, 30mg magnesium, and 66mg calcium.
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#8: Eggplant (Boiled and Drained)
Potassium in 100g 1 cup (1" cubes) (99g)
123mg (4% DV) 121.8mg (4% DV)
1 cup (1" cubes) of Boiled and Drained Eggplant contains 1mg of sodium, 15mg phosphorus, 11mg magnesium, and 6mg calcium.
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#9: Sauteed Green Bell Peppers
Potassium in 100g 1 cup chopped (115g)
134mg (4% DV) 154.1mg (5% DV)
1 cup chopped of Sauteed Sweet Green Peppers contains 20mg of sodium, 17mg phosphorus, 9mg magnesium, and 9mg calcium.
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#10: Okra (Boiled and Drained)
Potassium in 100g 1/2 cup slices (80g)8 pods (3" long) (85g)
135mg (4% DV) 108mg (3% DV)114.8mg (3% DV)
1/2 cup slices of Boiled and Drained Okra contains 5mg of sodium, 26mg phosphorus, 29mg magnesium, and 62mg calcium.
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*Note: Raw Okra is High in Potassium


#11: Peeled Cucumber (Raw)
Potassium in 100g 1 cup, sliced (119g)1 small (6-3/8" long) (158g)
136mg (4% DV) 161.8mg (5% DV)214.9mg (6% DV)
1 cup, sliced of Raw Peeled Cucumber contains 2mg of sodium, 25mg phosphorus, 14mg magnesium, and 17mg calcium.
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#12: Iceberg Lettuce (Raw)
Potassium in 100g 1 cup shredded (72g)1 leaf, large (15g)
141mg (4% DV) 101.5mg (3% DV)21.2mg (1% DV)
1 cup shredded of Raw Iceberg Lettuce contains 7mg of sodium, 14mg phosphorus, 5mg magnesium, and 13mg calcium.
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#13: Cauliflower (Boiled and Drained)
Potassium in 100g 1/2 cup (1" pieces) (62g)3 flowerets (54g)
142mg (4% DV) 88mg (2% DV)76.7mg (2% DV)
1/2 cup (1" pieces) of Boiled and Drained Cauliflower contains 9mg of sodium, 20mg phosphorus, 6mg magnesium, and 10mg calcium.
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#14: Green (Snap) Beans (Boiled and Drained)
Potassium in 100g 1 cup (125g)
146mg (4% DV) 182.5mg (5% DV)
1 cup of Boiled and Drained Green Beans contains 1mg of sodium, 36mg phosphorus, 23mg magnesium, and 55mg calcium.
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*Note: Raw Green Beans are High in Potassium


#15: Cabbage (Raw)
Potassium in 100g 1 cup, shredded (70g)
170mg (5% DV) 119mg (4% DV)
1 cup of Shredded Raw Cabbage contains 13mg of sodium, 18mg phosphorus, 8mg magnesium, and 28mg calcium.
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Tree Fern (Boiled and Drained)
Potassium in 100g 1/2 cup, chopped (71g)1 frond (6-1/2" long) (31g)
5mg (0% DV) 3.6mg (0% DV)1.6mg (0% DV)
1/2 cup of Chopped Tree Fern (Boiled and Drained) contains 4mg of sodium, 3mg phosphorus, 4mg magnesium, and 6mg calcium.
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Waxgourd (Chinese Preserving Melon) (Boiled and Drained)
Potassium in 100g 1 cup, cubes (175g)
5mg (0% DV) 9mg (0% DV)
1 cup cubed of Boiled and Drained Waxgourd contains 187mg of sodium, 30mg phosphorus, 18mg magnesium, and 32mg calcium.
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Seaweed Wakame (Raw)
Potassium in 100g 2 tbsp (1/8 cup) (10g)
50mg (1% DV) 5mg (0% DV)
2 tbsp (1/8 cup) of Raw Wakame Seaweed contains 87mg of sodium, 8mg phosphorus, 11mg magnesium, and 15mg calcium.
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Canned Bamboo Shoots (Drained)
Potassium in 100g 1 cup (1/8" slices) (131g)
80mg (2% DV) 104.8mg (3% DV)
1 cup (1/8" slices) of Canned and Drained Bamboo Shoots contains 9mg of sodium, 33mg phosphorus, 5mg magnesium, and 11mg calcium.
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Seaweed Kelp (Raw)
Potassium in 100g 2 tbsp (1/8 cup) (10g)
89mg (3% DV) 8.9mg (0% DV)
2 tbsp (1/8 cup) of Raw Kelp Seaweed contains 23mg of sodium, 4mg phosphorus, 12mg magnesium, and 17mg calcium.
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Chayote (Raw)
Potassium in 100g 1 cup (1" pieces) (132g)1 chayote (5-3/4") (203g)
125mg (4% DV) 165mg (5% DV)253.8mg (8% DV)
1 cup (1" pieces) of Raw Chayote contains 3mg of sodium, 24mg phosphorus, 16mg magnesium, and 22mg calcium.
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Pumpkin Flowers (Boiled and Drained)
Potassium in 100g 1 cup (134g)
106mg (3% DV) 142mg (4% DV)
1 cup of Boiled and Drained Pumpkin Flowers contains 8mg of sodium, 46mg phosphorus, 34mg magnesium, and 50mg calcium.
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Sesbania Flower (Steamed)
Potassium in 100g 1 cup (104g)
107mg (3% DV) 111.3mg (3% DV)
1 cup of Cooked Sesbania Flowers contains 257mg of sodium, 22mg phosphorus, 13mg magnesium, and 23mg calcium.
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  1. USDA National Nutrient Database for Standard Reference, Release 28.
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