Low-potassium vegetables: Broccoli (raw or cooked from frozen) Cabbage. Carrots (cooked) Cauliflower.
Boil Your Vegetables
Contact with water leaches potassium out of vegetables such as carrots, potatoes, sweet potatoes, beets and winter squash. On a low-potassium diet, boil these and other vegetables instead of steaming, microwaving, roasting or sauteing.
Some of the lowest potassium meats are clams, oysters, and tuna. Chicken and turkey aren't considered low potassium meats, but they are lower than other types of meats. Deli meats are not only high in potassium but can also be high in sodium and contain phosphorus additives.
Foods low in potassium include most refined fats and oils, grains like cornmeal, white rice, and pasta, cheeses like soft goat cheese, and blueberries, eggs, leeks, Napa cabbage, and chia seeds. Boiling vegetables in water and discarding the water can help reduce their potassium and electrolyte content.
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.
Carrots contain a moderate amount of potassium and can healthfully be included in a kidney-friendly diet.
It is the job of your kidneys to keep the right amount of potassium in your body. If there is too much, healthy kidneys will filter out the extra potassium, and remove it from your body through urine.
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.
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.
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).
4. Seafood. Popular fish like salmon, mackerel, halibut, tuna and snapper all have more than 400 milligrams of potassium in a 3-ounce filet.
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.
Carbohydrate (Starchy food)
Most breads and cereals are good choices as they are low in potassium.
Dark chocolate has a surprisingly high potassium content. However, some chocolate snacks also have high sodium levels, so always check the nutritional information.
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.
The most common cause of genuinely high potassium (hyperkalemia) is related to your kidneys, such as: Acute kidney failure. Chronic kidney disease.