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15 Low Electrolyte Foods for People with Chronic Kidney Disease

Electrolytes are essential nutrients necessary for maintaining a proper balance of hydration and pH in the body. However, for those diagnosed with chronic kidney disease, limiting some or all electrolytes may be necessary.

Electrolytes for the body include sodium (NA), potassium (K), calcium (CA), magnesium (MG), Phosphorus (P), and Chloride (CL). Sodium and chloride constitute table salt and therefore are widely found in modern diets. For the purpose of this article, we will list foods low in sodium, potassium, calcium, magnesium, and phosphorus. Products made with water (wine, tea, and coffee) are listed in this article. For these products be sure to find those made with low mineral or electrolyte water.

Foods low in electrolytes include refined oils, honey, certain boiled and drained vegetables, low mineral water, wine, tea, coffee, certain fruits, and for protein: egg whites. Below are 15 foods low in electrolytes, for more, see the article of low potassium foods, and low phosphorus foods.


Vegetable Oil#1: Refined Oil (Flaxseed)
1 tbsp (14g) contains:
Sodium: 0mg (0 %DV)
Potassium: 0mg (0 %DV)
Magnesium: 0mg (0 %DV)
Calcium: 0mg (0 %DV)
Phosphorus: 0mg (0 %DV)
Total: 0 %DV (0 %DV total electrolytes in 100 grams)
Complete nutrition facts.


Honey#2: Honey
1 tbsp (21g) contains:
Sodium: 1mg (0 %DV)
Potassium: 11mg (0 %DV)
Magnesium: 0mg (0 %DV)
Calcium: 1mg (0 %DV)
Phosphorus: 1mg (0 %DV)
Total: 1 %DV (3 %DV total electrolytes in 100 grams)
Complete nutrition facts.


Leeks#3: Leeks (Boiled and Drained)
1/4 cup, chopped or diced (26g) contains:
Sodium: 3mg (0 %DV)
Potassium: 23mg (1 %DV)
Magnesium: 4mg (1 %DV)
Calcium: 8mg (1 %DV)
Phosphorus: 4mg (1 %DV)
Total: 3 %DV (11 %DV total electrolytes in 100 grams)
Complete nutrition facts.


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Glass of water#4: Bottled Water (Non or Low Mineral)
1 large glass (237g) contains:
Sodium: 5mg (0 %DV)
Potassium: 0mg (0 %DV)
Magnesium: 5mg (2 %DV)
Calcium: 24mg (2 %DV)
Phosphorus: 0mg (0 %DV)
Total: 5 %DV (2 %DV total electrolytes in 100 grams)
Complete nutrition facts.


A glass of wine#5: Table Wine (Prepared with Low Mineral Water)
1 serving (5 fl oz) (147g) contains:
Sodium: 0mg (0 %DV)
Potassium: 0mg (0 %DV)
Magnesium: 0mg (0 %DV)
Calcium: 0mg (0 %DV)
Phosphorus: 0mg (0 %DV)
Total: 0 %DV (0 %DV total electrolytes in 100 grams)
Limit to one glass a day and consult your primary care provider or dietitian before drinking alcohol on a CKD diet.
Complete nutrition facts.


A cup of black tea#6: Black Tea (Prepared with Low Mineral Water)
1 cup (8 fl oz) (237g) contains:
Sodium: 7mg (0 %DV)
Potassium: 88mg (2 %DV)
Magnesium: 7mg (2 %DV)
Calcium: 0mg (0 %DV)
Phosphorus: 2mg (0 %DV)
Total: 5 %DV (2 %DV total electrolytes in 100 grams)
Limit to one cup a day and consult your primary care provider or dietitian before drinking tea on a CKD diet.
Complete nutrition facts.


Americano#7: Coffee (Prepared with Low Mineral Water)
1 cup (8 fl oz) (237g) contains:
Sodium: 5mg (0 %DV)
Potassium: 116mg (2 %DV)
Magnesium: 7mg (2 %DV)
Calcium: 5mg (0 %DV)
Phosphorus: 7mg (0 %DV)
Total: 5 %DV (2 %DV total electrolytes in 100 grams)
Limit to one cup a day and consult your primary care provider or dietitian before drinking coffee on a CKD diet.
Complete nutrition facts.


Eggs#8: Egg Whites
1 large (33g) contains:
Sodium: 55mg (2 %DV)
Potassium: 54mg (2 %DV)
Magnesium: 4mg (1 %DV)
Calcium: 2mg (0 %DV)
Phosphorus: 5mg (1 %DV)
Total: 6 %DV (18 %DV total electrolytes in 100 grams)
Complete nutrition facts.


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Blueberries#9: Blueberries
1 cup (148g) contains:
Sodium: 1mg (0 %DV)
Potassium: 114mg (3 %DV)
Magnesium: 9mg (3 %DV)
Calcium: 9mg (1 %DV)
Phosphorus: 18mg (1 %DV)
Total: 9 %DV (6 %DV total electrolytes in 100 grams)
Complete nutrition facts.


Napa Cabbage#10: Napa Cabbage (Boiled and Drained)
1 cup (109g) contains:
Sodium: 12mg (0 %DV)
Potassium: 95mg (2 %DV)
Magnesium: 9mg (2 %DV)
Calcium: 32mg (3 %DV)
Phosphorus: 21mg (2 %DV)
Total: 10 %DV (9 %DV total electrolytes in 100 grams)
Complete nutrition facts.


A Spoon of White Rice#11: White Rice
1 cup (186g) contains:
Sodium: 0mg (0 %DV)
Potassium: 48mg (2 %DV)
Magnesium: 15mg (4 %DV)
Calcium: 2mg (0 %DV)
Phosphorus: 61mg (6 %DV)
Total: 11 %DV (6 %DV total electrolytes in 100 grams)
Complete nutrition facts.


Couscous#12: Couscous
1 cup, cooked (157g) contains:
Sodium: 8mg (0 %DV)
Potassium: 91mg (3 %DV)
Magnesium: 13mg (3 %DV)
Calcium: 13mg (2 %DV)
Phosphorus: 35mg (3 %DV)
Total: 11 %DV (7 %DV total electrolytes in 100 grams)
Complete nutrition facts.


3 apples#13: Apples
1 medium (3" dia) (182g) contains:
Sodium: 2mg (0 %DV)
Potassium: 195mg (5 %DV)
Magnesium: 9mg (2 %DV)
Calcium: 11mg (2 %DV)
Phosphorus: 20mg (2 %DV)
Total: 11 %DV (6 %DV total electrolytes in 100 grams)
Complete nutrition facts.


Shiitake Mushrooms#14: Shiitake Mushrooms
1 cup pieces (145g) contains:
Sodium: 6mg (0 %DV)
Potassium: 170mg (4 %DV)
Magnesium: 20mg (6 %DV)
Calcium: 4mg (0 %DV)
Phosphorus: 42mg (4 %DV)
Total: 15 %DV (10 %DV total electrolytes in 100 grams)
Complete nutrition facts.


Pasta#15: Pasta
1 cup spaghetti not packed (124g) contains:
Sodium: 1mg (0 %DV)
Potassium: 55mg (1 %DV)
Magnesium: 22mg (6 %DV)
Calcium: 9mg (1 %DV)
Phosphorus: 72mg (7 %DV)
Total: 16 %DV (13 %DV total electrolytes in 100 grams)
Complete nutrition facts.




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  1. USDA National Nutrient Database for Standard Reference, Release 28.

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