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.
Tomatoes and tomato products are rich in vitamins and minerals, including potassium. One cup (245 grams) of tomato sauce provides 728 mg of potassium.
Other tomato products may also contain high levels of potassium. A half-cup of tomato puree has 560 milligrams, while a medium fresh tomato contains about 290 milligrams.
Tomato juice
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.
Starchy root vegetables are high in potassium, so should be limited to one portion per day or less. Other starchy foods based on wheat or rice are low in potassium and are good alternatives. Potato, sweet potato, yam and cassava need to be boiled in plenty of water to reduce their potassium content.
Water pills (diuretics) help rid your body of extra potassium. They work by making your kidney create more urine. Potassium is normally removed through urine. Potassium binders often come in the form of a powder.
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.
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.
Low-potassium vegetables:
Broccoli (raw or cooked from frozen) Cabbage. Carrots (cooked) Cauliflower.
Including tomatoes in a low potassium diet: portion size
Most people with CKD can safely eat one medium (80g) tomato daily (as a one of your 5 a day), perhaps served with a cooked breakfast, lunch or salad. Canned tomatoes used in cooking are often divided into several portions for the finished meal.
Tomatoes and kidney disease
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.
Potassium Content of Tomatoes
One medium-sized tomato supplies 292 milligrams of potassium and a small tomato provides 216 milligrams. A plum tomato or an Italian tomato each contains 147 milligrams of potassium. One cherry tomato supplies 40 milligrams of the essential mineral.
Onions: Another great way to add flavor to any food, onions have health benefits, too. They are low in potassium and rich in flavonoids–a powerful antioxidant that can help reduce heart disease and protect against cancer.
Low potassium vegetables include cilantro, alfalfa sprouts, lettuce, arugula, kale, Napa cabbage, leeks, spaghetti squash, sweet onions, eggplant, and more. For more low potassium vegetable ideas, see the complete ranking of over 200 vegetables low in potassium.
You want to avoid high-potassium surf such as halibut, tuna, cod, and snapper. 3-oz servings can contain as much as 480 mg of potassium. On the low end, the same amount of canned tuna has only 200 mg. Salmon, haddock, swordfish, and perch run about 300 mg per 3-oz serving.
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).
Lower potassium choices: Tea, herbal tea, squash or cordial, water, fizzy drinks. Spirits are lower in potassium than other alcoholic drinks. High potassium foods to limit: Limit milk to ½ pint per day (300ml).
Broccoli is a medium potassium food, low in sodium and phosphorus, and suitable for all the following kidney conditions and treatments: Chronic Kidney Disease (CKD) Transplant.
Seafood. Popular fish like salmon, mackerel, halibut, tuna and snapper all have more than 400 milligrams of potassium in a 3-ounce filet. Chowder more your thing? Just 3 ounces of canned clams will get you upwards of 500 milligrams.
The most common cause of genuinely high potassium (hyperkalemia) is related to your kidneys, such as: Acute kidney failure. Chronic kidney disease.
Potassium and exercise
When you exercise, your muscles lose potassium. This creates a substantial rise in blood potassium levels. For most people, the kidneys filter out the extra potassium fairly quickly, and potassium levels return to normal within a few minutes of rest.
Excessive water consumption may lead to depletion of potassium, which is an essential nutrient. This may cause symptoms like leg pain, irritation, chest pain, et al. 6.