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Dietary Potassium
Aka: Dietary Potassium, Foods with High Potassium Content, Potassium Content in Food
- See Also
- Potassium Replacement
- Hypokalemia Approach
- Hypokalemia due to Renal Potassium Loss
- Hypokalemia due to Extrarenal Potassium Loss
- Hypokalemia due to Transcellular Potassium Shift
- Familial Periodic Paralysis
- Precautions
- Potassium Content in Food is not an exact replacement
- Renal disease patients or those with other Hyperkalemia risk factors should avoid high Potassium foods
- Background: Potassium
- Elemental Potassium (K+): 39 mg/meq
- Potassium Chloride (KCl): 75 mg/meq
- Preparations: Salt Substitute contains extremely high Potassium
- Most salt substitutes (e.g. no-salt) are composed of Potassium chloride (75 mg/meq)
- Potassium Chloride Salt-Substitute Products
- Nu-Salt
- Potassium (mg): 530 mg per 1 g serving (1/6 tsp) or 795 mg per 1/4 tsp (for comparison)
- Potassium (meq): 530 mg / 39 mg per K+ meq = 13.6 meq per 1/6 tsp (20.3 meq per 1/4 tsp)
- NoSalt
- Potassium: 650 mg per 1.3 g serving (1/4 tsp)
- Potassium (meq): 650 mg / 39 mg per K+ meq = 16.7 meq per 1/4 tsp serving
- Morton's Salt Substitute
- Potassium: 610 mg per 1.2 g serving (1/4 tsp)
- Potassium (meq): 610 mg / 39 mg per K+ meq = 15.6 meq per 1/4 tsp serving
- Precautions
- Salt substitutes vary widely on Potassium concentration
- Morton's Salt Substitute, Nu-Salt or NoSalt contain 16-20 meq K+ per 1/4 tsp (as calculated above)
- Mrs. Dash only contains 0.4 meq Potassium per 1/4 tsp
- Highly concentrated, Potassium chloride salt substitute can easily be over-dosed (Exercise caution)
- At 67 to 82 meq per teaspoon, NoSalt, Nu-Salt or Morton's Salt Substitute can easily exceed safe limits
- Preparations: Potassium content (from USDA, with meq based on 39 mg/meq for elemental Potassium)
- Acorn Squash (cooked)
- Potassium: 448 mg or 11.5 meq per 1/2 cub acorn squash cubes
- Almonds
- Potassium 200 mg or 5 meq per 1 ounce of almonds
- Apricot (dried)
- Potassium: 41 mg or 1.1 meq per dried apricot half
- Avocado
- Potassium: 72 mg or 1.8 meq per tablespoon
- Baked potato with skin
- Potassium: 926 mg or 24 meq per 1 medium potato
- Banana
- Potassium 422 mg or 11 meq for one medium banana
- Potassium: 60 mg or 1.5 meq per inch of banana
- Cooked Black Beans
- Potassium 38 mg or 1.0 meq per fluid ounce
- Cantaloupe
- Potassium: 37 mg or 0.9 meq per melon ball
- Dried peaches
- Potassium: 129 mg or 3.3 meq per peach half
- Medjool Date
- Potassium: 167 mg or 4.3 meq per date
- Milk (1% Low Fat)
- Potassium 351 or 9 meq per 1 cup 1% milk
- Molasses
- Potassium: 308 mg or 7.9 meq per tbs
- Orange Juice
- Potassium 372 mg or 9.5 meq per 6 fluid ounces orange juice
- Potassium: 62 mg or 1.6 meq per fluid ounce juice
- Orange
- Potassium: 237 mg or 6 meq per one medium orange
- Prune Juice
- Potassium 528 mg or 13.5 meq per 6 fluid ounces prune juice
- Prunes
- Potassium 637 mg or 16 meq for one half cup of prunes
- Raisins
- Potassium 598 mg or 15.3 meq per 1/2 cup raisins
- Raw Fig
- Potassium: 116 mg or 3.0 meq per medium fig
- Spinach (cooked)
- Potassium 420 mg or 10.7 meq per 1/2 cup cooked spinach
- Tomato Juice
- Potassium 417 mg or 10.7 meq per 6 fluid onces tomato juice
- Tomato
- Potassium 292 mg or 7.5 meq per 1 medium tomato
- Preparations: Foods with highest Potassium content (>25 meq/3.5 ounces)
- Figs
- Molasses
- Seaweed
- Preparations: Foods with very high Potassium (>12.5 meq/3.5 ounces)
- Dates, prunes, dried apricot, dried peaches
- Tree Nuts including avocados
- Bran ceral, wheat germ
- Lima Beans
- Baked potatoes
- Avocado
- Preparations: Foods with High Potassium Content (>6 meq/3.5 ounces)
- Vegetables
- Spinach, Tomatoes, Potatotes, Carrots, Beets
- Broccoli, Cauliflower, Winter squash
- Fruits
- Banana (1 meq per inch of banana)
- Kiwi fruit, oranges, mangos
- Cantaloupe
- Resources
- USDA National Nutrient Database
- http://ndb.nal.usda.gov
- References
- Gennari (1998) N Engl J Med 339:451-8 [PubMed]