Fruit plays an important role in a balanced diet and can still (and should) be enjoyed when living with chronic kidney disease (CKD). Fruits provide essential vitamins, antioxidants, and fibre, which support overall health, digestion, and immune function. Many fruits are naturally low in sodium and fat, making them heart-healthy choices. This is particularly important for CKD patients since having CKD can increase cardiovascular disease risk.
That being said, fruit choices matter. Some fruits contain higher amounts of potassium , which may need to be limited depending on your stage of CKD or lab results. Let’s take a look at foods to choose for fruit and CKD.
Potassium in fruit and CKD
One of the biggest concerns with fruit and CKD is potassium content. Not all fruit are considered equal. Not everyone with CKD needs to follow a low potassium diet, it is important to work with your healthcare team or dietitian to determine if this is appropriate for you.
Here are the potassium amounts in some common fruit choices:
- Blueberries (77 mg potassium/100g)
- Plums (104 mg potassium/plum)
- Pineapple (109 mg potassium/100g)
- Lemons (80mg potassium/medium fruit)
- Cherries (21mg potassium/100g)
There is really only one fruit that needs to be avoided with CKD. It is called Starfruit. Studies show that eating starfruit can have a harmful toxic effect for people who have kidney disease. The substances found in starfruit can affect the brain and cause neurological disorders in those with CKD.
Portion sizes
Portion size is key to managing potassium intake. Even fruits that are generally kidney-friendly can contribute more potassium than expected if eaten in large amounts or all at once. A standard serving is about ½ cup or one small whole fruit, and distributing fruit throughout the day can help keep potassium levels more stable.
For individuals with CKD and diabetes, pairing fruit with protein or healthy fats can also help reduce blood sugar spikes.
Examples of kidney-friendly pairings include:
- Apple slices with a small serving of peanut or almond butter
- Berries with plain Greek yogurt
- Grapes with a small handful of unsalted nuts
- Strawberries with ricotta
- Pineapple paired with eggs or yogurt at a meal
Fruit juices
Juices and smoothies make it easy to consume larger portions of fruit than intended. Without the fibre from whole fruit, blood sugar can rise more quickly, which is especially important for those living with diabetes and CKD.
Store bought smoothies can also include ingredients like milk, yogurt, plant-based beverages, or protein powders, which may further increase potassium or phosphorus content depending on the products used.
Canned fruit
Canned fruit can be a convenient option, but choosing the right type matters. Look for canned fruit labelled “no sugar added” or “packed in water” rather than syrup. Fruit packed in juice can contribute extra sugar and potassium if the liquid is consumed. This is why draining and rinsing when possible is vital to reduce potassium content.
Packaged fruit products and cups may also contain added ingredients, including phosphorus additives, so checking ingredient lists is important. When possible, whole fruit remains the easiest option to portion and manage CKD.
Fruit and CKD
You can and should enjoy fruit and CKD. By focusing on portion sizes, potassium content, and choosing lower-risk fruits, you can continue to benefit from the fibre, vitamins, and antioxidants fruit provides. Fresh, frozen, and carefully selected canned options all have a place in a kidney-friendly eating plan when chosen thoughtfully.
This article was written by Kimia Oshagi, Nutrition Student Volunteer.
This article was reviewed by Emily Campbell, RD CDE MScFN.
