Foods high in electrolytes

40 whole foods ranked by combined potassium, magnesium and calcium per serving (%DV), with sodium shown. Tofu, raw, Beans, white and Spinach, cooked lead.

Electrolytes are the minerals that carry a charge in body fluids: potassium, magnesium, calcium and sodium above all. Most people get too much sodium and too little potassium and magnesium, so this list ranks whole foods by combined %DV of potassium, magnesium and calcium per serving (sodium counts for up to 10%). Sports drinks typically contain 100 to 300 mg of potassium per bottle; most foods below beat that.

Ranked list

#FoodGroupServingkcalPotassium (%DV)Magnesium (%DV)Calcium (%DV)Sodium (%DV)NRF9.3
1Tofu, raw (firm, prepared with calcium sulfate)Legumes0.5 cup1816.4%17%66%0.8%85
2Beans, white (mature seeds, canned)Legumes1 cup29925%32%15%39%57
3Spinach, cooked (boiled, drained, without salt)Vegetables1 cup4118%37%19%5.5%518
4Chard, swiss (cooked, boiled, drained, without salt)Vegetables1 cup, chopped3520%36%7.8%14%513
5Beet greens, cooked (boiled, drained, without salt)Vegetables1 cup (1" pieces)3928%23%13%15%461
6Beans, great northern (mature seeds, canned, low sodium)Legumes1 cup29920%32%11%20%53
7Yogurt, plain (skim milk)Dairy and eggs1 cup (8 fl oz)13713%11%38%8.2%34
8Soybeans, mature cooked (boiled, without salt)Legumes1 cup29619%35%13%0.1%68
9Soybeans, green (cooked, boiled, drained, without salt)Vegetables1 cup25421%26%20%1.1%75
10Beans, navy (mature seeds, canned)Legumes1 cup29616%29%9.5%38%48
11TempehLegumes1 cup31915%32%14%0.6%41
12Beans, adzuki (mature seeds, cooked, boiled, without salt)Legumes1 cup29426%28%5%0.8%61
13Beans, small white (mature seeds, cooked, boiled, without salt)Legumes1 cup25418%29%10%0.2%72
14Seeds, hemp seed (hulled)Nuts and seeds1 oz1577.2%47%1.5%0.1%54
15Lima beans, immature seeds (cooked, boiled, drained, without salt)Vegetables1 cup20921%30%4.2%1.3%72
16Edamame, frozen (prepared)Vegetables1 cup18817%27%8.7%1%84
17Beans, yellow (mature seeds, cooked, boiled, without salt)Legumes1 cup25512%31%8.4%0.4%73
18Beans, black (mature seeds, canned, low sodium)Legumes1 cup21816%20%6.5%14%72
19Beans, pinto (mature seeds, canned, solids and liquids)Legumes1 cup19714%19%8.7%28%50
20Beans, pink (mature seeds, cooked, boiled, without salt)Legumes1 cup25218%26%6.8%0.1%57
21Beans, cranberry (roman) (mature seeds, canned)Legumes1 cup21614%20%6.8%38%53
22Fish, sardine (Atlantic, canned in oil, drained solids with bone)Fish and seafood3 oz1777.2%7.9%25%11%52
23Seeds, sesame seeds (whole, roasted and toasted)Nuts and seeds1 oz1602.9%24%22%0.1%54
24Pigeonpeas, immature seeds (raw)Vegetables1 cup20918%25%5%0.3%82
25Broadbeans (fava beans), mature seeds (canned)Legumes1 cup18213%20%5.1%50%38
26Lima beans, large (mature seeds, canned)Legumes1 cup19011%22%3.9%35%48
27Vitasoy USA, Vitasoy Organic Creamy Original SoymilkLegumes1 cup1076.8%9.3%24%7%41
28Beans, french (mature seeds, cooked, boiled, without salt)Legumes1 cup22814%24%8.6%0.5%62
29Teff, cookedGrains1 cup2555.7%30%9.5%0.9%46
30Milk, buttermilk (fluid, whole)Dairy and eggs1 cup1527%5.8%22%11%4
31Tofu, soft (prepared with calcium sulfate and magnesium chloride (nigari))Legumes1 cup (1/2" cubes)1516.3%16%21%0.9%57
32Mungo beans, mature seeds (cooked, boiled, without salt)Legumes1 cup1898.8%27%7.3%0.5%66
33Spinach souffleVegetables1 cup2346.7%9.7%17%33%19
34Seeds, pumpkin and squash seed kernels (roasted, without salt)Nuts and seeds1 oz1634.8%37%1.1%0.2%42
35Soymilk (all flavors), unsweetened (with added calcium, vitamins A and D)Legumes1 cup808.2%12%19%3.6%74
36Soymilk, original and vanilla (with added calcium, vitamins A and D)Legumes1 cup1046.3%8.7%23%5%47
37Avocados, raw (Florida)Fruits1 fruit without skin and seeds36523%17%2.3%0.3%52
38Milk, fluid (1% fat, without added vitamin A and vitamin D)Dairy and eggs1 cup1027.8%6.4%23%4.7%20
39Cheese, parmesan (shredded)Dairy and eggs1 oz1180.6%3.4%27%21%14
40Fish, salmon (pink, canned, drained solids)Fish and seafood3 oz1176%6.5%19%14%56

Method. Score = %DV potassium + %DV magnesium + %DV calcium per serving + min(10, %DV sodium). Whole foods only, one entry per food family. Data: USDA FoodData Central. Full methodology and references.

Other guides

Nutrient values are from USDA FoodData Central (SR Legacy, April 2018; Foundation Foods, April 2026) and shown per serving as described on each page. %DV uses the FDA Daily Values for adults and children aged 4 and over. This is nutrition data for general information, not medical or dietary advice; talk to a clinician or registered dietitian about your own needs. How the numbers are calculated.