Limiting Potassium in Your Diet
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Limiting Potassium in Your Diet

Image for patassium Potassium can be found in many foods. Abnormal blood levels of potassium can be very dangerous as they may lead to serious heart arrhythmias. Kidneys regulate the metabolism of potassium, making sure that its levels are appropriate. However, when your kidneys are not working properly, you often need to limit certain foods that can increase the potassium in your system.

Your doctor or dietitian will tell you how many milligrams (mg) of potassium you can have each day and they will help you design a proper diet.

Food Sources of Potassium

Potassium is found in many foods, especially fruits and vegetables. For example:

FoodServing sizePotassium content (mg)
Dried figs10 figs1331
White beans, canned1 cup1189
Avocado, raw, California1 medium1097
Potato, baked, with skin1 medium844
Navy beans, canned1 cup755
Raisins, seedless2/3 cup751
Lentils, boiled1 cup731
Clams, canned and drained3 ounces534
Yogurt, low fat, plain1 cup531
Lima beans, canned1 cup530
Banana1 mediuim451
Orange1 medium233
Dried apricots10 halves482
Cantaloupe1 cup, cubes494
Tuna, yellowfin, cooked by dry heat3 ounces484
Orange juice, from frozen concentrate8 fluid ounces473
Honeydew melon1 cup, cubes461
Winter squash1/2 cup, cubes446
Snapper, cooked by dry heat3 ounces444
Cod, Pacific, cooked by dry heat3 ounces440
Spinach, boiled1/2 cup419
Sweet potato, baked, with skin1 medium397
Bell pepper, yellow, raw1 large394
Bass, freshwater, cooked by dry heat3 ounces388
Milk, 1%8 fluid ounces381
Grapefruit juice, from concentrate8 fluid ounces336
Pineapple, canned in juice1 cup, chunks305
Tomato, red, stewed, canned1/2 cup305

RESOURCES:

American Dietetic Association
http://www.eatright.org

National Kidney Foundation
http://www.kidney.org

CANADIAN RESOURCES:

Dietitians of Canada
http://www.dietitians.ca/

Health Canada
http://www.hc-sc.gc.ca/

References:

Bowes & Church's Food Values of Portions Commonly Used. 17th ed. Lippincott Williams & Wilkins; 1998.

The Nutrition Desk Reference. Keats Publishing; 1995.

Perspectives in Nutrition. 2nd ed. Mosby-Year Book, Inc.; 1993.



Last reviewed July 2008 by Dianne Scheinberg MS, RD, LDN

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.

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