Apples can fit many kidney-friendly eating plans because they’re relatively low in potassium while providing fiber and beneficial plant compounds. Blueberries are another option, offering fiber and anthocyanin antioxidants without the potassium levels found in some other fruits.

Pineapple is also relatively lower in potassium than fruits such as bananas and oranges. Fresh or unsweetened varieties can be an easy addition to meals, although portion size still matters depending on an individual’s dietary needs.

Meanwhile, bananas, oranges and orange juice, and dried fruits can contain considerably more potassium. That doesn’t mean everyone with kidney disease must avoid them. Potassium restriction is individualized and depends on kidney function, medications, laboratory potassium levels, and medical advice.

An elevated creatinine result should therefore not lead to eliminating foods without knowing the underlying cause. Blood pressure and diabetes management, appropriate sodium intake, prescribed medications, physical activity, and following individualized fluid recommendations can all matter. If creatinine remains elevated or kidney disease has been diagnosed, a healthcare professional or renal dietitian can determine whether potassium restriction—and specific fruit limits—are actually necessary.