One cup of tomato juice has 581 mg of potassium, which is 12% DV. This is over 100 mg more potassium than a banana. "The lycopene [an antioxidant] found in tomato juice can lower LDL (or "bad") cholesterol levels in the blood," Nicole says. Tip: Tomato juice can be used to make soups, dressings, or cocktails.
Tomatoes are high in potassium, but pasta is served with many sauces that are not tomato-based. If you must select a dish with tomato sauce, ask that it be served on the side. Be cautious – Soul food is often high in potassium. Avoid black-eyed peas, dried beans, cooked greens, spinach, yams, and sweet potato pie.
Some of the best sources of potassium are dark leafy greens such as spinach, which when cooked has an astounding 1,180 mg per cup, per USDA data. Swiss chard is a close second, with almost 1,000 mg per cooked cup, and even bok choy has around 445 mg per cup when cooked.
How much potassium is in an egg? One large egg contains about 63 mg of potassium. 1 Eggs are considered a low-potassium food, but check with your doctor or dietitian to find out how often you should eat them.
Potassium can be a concern depending on the amount you eat. For example, 1 or 2 slices of raw tomato has a much smaller amount of potassium than a cup of cooked tomatoes.
A 142-g cup of unpeeled cucumber also provides 193 mg of potassium and 17 mg of magnesium. The Dietary Guidelines recommend that adults consume 4,700 mg of potassium each day and 310–410 mg of magnesium, depending on sex and age.
Carrots. One cup of chopped carrot has 410 mg of potassium, Syn says, which is slightly less than a medium banana has, but more than a small one.
Apples are low in potassium, phosphorus, and sodium so they are a great choice for a kidney friendly diet. They are safe to eat for all of the following kidney conditions and treatments: Chronic Kidney Disease (CKD)/Transplant. Hemodialysis (3 times/week)
Broccoli is high in many nutrients, including fiber, vitamin C, vitamin K, iron, and potassium.
Dairy products like milk and milk-based yogurts are high in potassium, and the lower the fat content, the higher the potassium level.
Dr. Eric Berg's Health Tips cautions against overindulging on chips, salty cheese snacks, pretzels and canned foods. Foods high in monosodium glutamate, or MSG, are also high in sodium and may deplete potassium.
Potassium and your diet
The recommended potassium intake for an average adult is 4,700 milligrams (mg) per day. Many of the elements of the DASH (Dietary Approaches to Stop Hypertension) diet — fruits, vegetables, fat-free or low-fat (1 percent) dairy foods and fish — are good natural sources of potassium.
Did You Know? One serving of a medium avocado (half the fruit) has more potassium than a medium banana, 487 mg potassium versus 422 mg potassium, respectively.
Seafood. Popular fish like salmon, mackerel, halibut, tuna and snapper all have more than 400 milligrams of potassium in a 3-ounce filet.
Most meats add some potassium to your meals. Chicken breast has the most per 3-ounce serving with 332 milligrams, but beef and turkey breast contain 315 and 212 milligrams, respectively.
Foods such as cantaloupe, honeydew melon, orange juice, and bananas are high in potassium. Drugs that prevent the kidneys from losing enough potassium. Some drugs can keep your kidneys from removing enough potassium. This can cause your potassium levels to rise.
Peanut butter also gives you some fiber, some vitamins and minerals (including 200 milligrams of potassium), and other nutrients. Unsalted peanut butter, with 5 milligrams of sodium, has a terrific potassium-to-sodium ratio. Salted peanut butter still has about twice as much potassium as sodium.
While not considered a high potassium food, the potassium in cheese should absolutely be made aware. On average, one ounce of cheese will provide about 35 milligrams of potassium. The cheese with the most potassium is processed cheese (like the cheese-in-a-can products).