Although it's low in fiber, it's high in minerals, such as calcium, phosphorous, magnesium, and potassium. It's naturally low in sodium. Plus, romaine lettuce is packed with vitamin C, vitamin K, and folate.
Fruits and veggies lowest in potassium are: apples, blueberries, limes, and iceberg lettuce.
Most fruits and vegetables have some amount of potassium in them. However, lettuce is considered as one of the vegetables with low potassium levels.
Also called Boston or bibb lettuce, butter lettuce is the most nutritious of the lettuces on this list. The leaves are higher in folate, iron, and potassium than iceberg or leaf lettuces.
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.
Leafy greens and kidney disease
Leafy greens are rich in potassium, which you may need to watch with kidney disease. The amount of potassium you can have each day will depend on your stage of kidney disease or the type of dialysis you receive. Most people with CKD do not have to limit leafy greens because of potassium.
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.
Nutritional benefits of iceberg lettuce
Although it's low in fiber, it has a high water content, making it a refreshing choice during hot weather. It also provides calcium, potassium, vitamin C, and folate.
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.
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.
The potassium in iceberg lettuce is low, making it great for a kidney diet. It also has a higher water content than other types of lettuces which can be a refreshing choice on a summer day.
Low-potassium veggie choices
Veggies that contain less than 200 mg per serving include: asparagus (6 spears) broccoli (half-cup) carrots (half-cup cooked)
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.
In short, most meats, fish, and seafood are considered high in potassium. 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.
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).
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.
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).