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Low potassium food list

Free PDF • 1 page, print-ready • Clinician-reviewed

Despina Petrushevska Last updated September 25, 2026 Reviewed by Dr. Vanja Kitanova

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Foods carrying less than 200 mg of potassium per serving count as low potassium choices. In practice, patients with chronic kidney disease (CKD), hyperkalemia, or end-stage renal disease on dialysis use that threshold to build a plate. Specifically, most of them work to a daily total of 2,000 to 3,000 mg.

The table below groups safe foods by category and gives approximate milligrams per serving. Practices usually hand the list out with a renal diet meal plan, so patients see the numbers in the context of actual meals.

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Clinical guides

Key takeaways

This free handout sorts foods into two lists, low potassium and high potassium, and leaves room for the patient’s intake details.

Low potassium means under 200 mg per serving, and daily targets of 2,000 to 3,000 mg are typical in CKD and dialysis.

Apple juice and white grape juice carry roughly 200 to 300 mg per cup, so they count as moderate rather than low.

Leaching, which means soaking then double-boiling vegetables, cuts their potassium by 30% to 50%.

Practice management software like Pabau shares the handout through a patient portal and records who received it.

What is a low potassium food list and who needs it?

A low potassium food list is a patient handout that sorts foods by how much potassium a standard serving carries. Anyone whose kidneys cannot clear potassium needs one, which in practice means CKD stages 3 to 5, dialysis, and repeat hyperkalemia.

Potassium keeps the heart and muscles working, so the body guards its blood level closely. When the kidneys stop excreting it efficiently, blood potassium climbs and hyperkalemia sets in. As a result, that can trigger irregular heartbeats, muscle weakness, and cardiac emergencies.

The threshold most lists use is 200 mg per serving. Specifically, the National Kidney Foundation and most renal dietitians work to a daily ceiling of 2,000 to 3,000 mg. However, kidney function, dialysis type, and medications all move that number.

Who uses this list: nephrologists, renal dietitians, primary care clinicians, and dialysis centers all hand it out as standard patient education. Patients on ACE inhibitors or potassium-sparing diuretics also need to watch intake, as do those with heart failure.

How to read the list and stay under a daily limit

Three things decide whether the list works. In particular, the milligram value, the serving size behind it, and the cooking method all change what ends up in the patient’s blood.

• Read the milligram values carefully. In practice, foods are listed per standard serving, usually one medium fruit, half a cup of vegetables, or one slice of bread. USDA FoodData Central publishes verified potassium content for almost every food.
• Track the daily total. If the target is 2,000 mg, three low potassium vegetable servings at 50 mg each use only 150 mg. In turn, that leaves 1,850 mg for fruit, grains, protein, and dairy.
• Check labels on packaged food. In fact, the body absorbs potassium additives almost completely, and they turn up in processed meat, canned soup, and prepared meals.
• Hold the portion. Indeed, two servings of a low potassium food deliver twice the potassium, which is how a safe choice becomes a problem.
• Ask about medications. For example, beta-blockers, NSAIDs, and potassium supplements all change how the body handles dietary potassium. Accordingly, coordinate with the prescriber.
• Watch the fluid limit too. Many dialysis patients have a daily fluid allowance alongside the potassium target, and a hydration handout covers that side.

Safe foods by category and potassium per serving

The table groups low potassium options by food category, with approximate potassium per standard serving.

Two drinks trip patients up. For example, apple juice and white grape juice appear on plenty of kidney-friendly lists. A cup of either carries roughly 200 to 300 mg of potassium, which makes them moderate choices. Instead, count them against the daily budget like any other food.

Beyond that, patients can mix and match servings across categories to hit the daily target without living on white rice and butter. Patients who have never thought about food groups before can start from a food pyramid guide, then layer the potassium limits on top.

High potassium foods to limit or avoid

Anything above 300 mg per serving comes off the plate or shrinks to a token portion. Among the usual culprits are bananas, potatoes, tomatoes, oranges, avocados, dried fruit, nuts, seeds, and whole grains.

• One medium banana carries 422 mg, the highest of the common fruits.
• Likewise, a medium potato or sweet potato runs past 600 mg unless it is leached.
• Half a cup of tomatoes or tomato sauce gives 300 to 400 mg.
• By comparison, one orange holds about 240 mg, and 8 oz of orange juice passes 400 mg.
• A quarter of an avocado has 180 mg in a calorie-dense package.
• Dried fruit concentrates potassium, so raisins, dates, and prunes add up fast.
• In turn, a small handful of almonds or sunflower seeds delivers 150 to 200 mg.
• Similarly, brown rice and whole wheat bread carry 150 mg or more per serving.
• Finally, half a cup of cooked spinach or other dark leafy greens tops 400 mg.

One warning worth repeating: salt substitutes are usually potassium chloride, which makes them dangerous for renal patients. Instead, regular salt, in the amount the physician allows, is the safer option.

How to leach vegetables and cut their potassium

Soaking and double-boiling vegetables strips 30% to 50% of their potassium. As a result, that brings potatoes, carrots, beets, and winter squash back into range for many patients.

1. Peel and cut: Remove the skin and chop the vegetable into uniform quarter-inch pieces. More surface area means more potassium leaves the food.
2. Soak: Cover with cold water for at least two hours, or overnight. Then drain and throw that water away.
3. Boil once: Add fresh water, bring it to a boil, and simmer for five minutes. Afterward, drain completely and never cook with the leftover water.
4. Boil again: Cover with fresh water and boil for five to ten minutes until tender. Drain, then serve or store.

Most renal dietitians reserve the double boil for potatoes, carrots, beets, and winter squash. Texture holds up well, which matters when the alternative is a plate the patient will not eat. In practice, Metabolic health practices often send the instructions home inside a patient education packet.

Potassium targets for CKD versus dialysis patients

Targets differ between non-dialysis CKD and dialysis, because residual kidney function and dialysate composition change how much potassium leaves the body.

Confirm every target with the nephrologist. Medications like ACE inhibitors and NSAIDs, residual urine output, and comorbidities such as heart disease and diabetes all shift what is safe.

Sample one-day menu

Here is a one-day menu that lands near 1,300 mg of potassium, comfortably inside a 2,000 mg target.

Patients can swap inside a food category and keep the daily total roughly level. Likewise.

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How Pabau supports renal patient dietary education

Most practices still hand the list over on paper at the end of the appointment. Nobody knows afterwards whether the patient read it, lost it, or passed it to the family member who does the cooking.

Practice management software like Pabau moves that loop into the patient record. Specifically, Digital forms capture dietary history, restrictions. As a result, the dietitian starts the appointment with the current diet already in front of them. A practice offering weight management alongside renal nutrition support can run both through the same weight loss clinic software system. Teams covering both often keep a separate plan for midlife weight change, such as the menopause diet 5-day plan.

Patient portals carry the handout, the meal plan. In turn, everything stays available at home, including to the person doing the shopping.

Ultimately, you end up with one version of the guidance and a record of who received it.

Get renal diet guidance to every patient

Digital forms, care plans, and patient portals let your team send renal diet handouts and see who opened them. Book a demo to walk through the workflow with your own patient list.

Book a demo

Conclusion

Most patients grasp the rule quickly, then get caught by the details. In fact, the second helping, the salt substitute in the cupboard, and the juice that looked harmless do more damage than any single banana.

So hand over the list with the patient’s own daily number written on it. Then revisit it whenever the medication or the dialysis schedule changes. In short, a handout that matches the current prescription beats a perfect list that was accurate a year ago.

Tracking who got which version is where software earns its place. Book a demo to see how Pabau shares renal diet handouts, logs what each patient received, and keeps the follow-up on the calendar.

Continue your research

Want a full weekly meal plan too? 7-day keto meal plan provides seven days of meals with net carb and macro targets, plus a printable grocery list.

Need a full kidney-friendly meal plan? 7-day meal plan for kidney disease covers seven days of low-sodium, low-potassium meals for stages 1-4 chronic kidney disease patients.

Want the wider nutrition numbers in one place? Nutrition cheat sheet collects the reference values dietitians reach for during a consult.

Working in a long-term care setting? Long-term care dietitian cheat sheet covers the screening and documentation a facility expects.

Need to record the baseline before any diet change? Nursing nutrition assessment gives you a structured intake to work from.

Frequently asked questions