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Apples, raw, granny smith, with skin (Includes foods for USDA's Food Distribution Program)

Per 100 g edible portion
Fruits
Kidney-friendlyApples is rated Kidney-friendly. Of phosphorus, sodium and potassium, Potassium is highest (6%), all below 15% of limits.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus12 mg1%
Low
Sodium1 mg<1%
Low
Potassium120 mg6%
Low

About this food

Apples sits in the Fruits group. Potassium levels vary widely across fruits - apples and berries are low-potassium, kidney-friendly picks, while bananas and avocados are high and need portion control. The natural sugar in fruit is usually not the issue; potassium is.

Nutrient insight

Potassium is the highest of the three at 6%. With reduced kidney function, blood potassium can rise, so spread high-potassium foods across the day rather than in one large serving.

Other nutrients

Protein0.4 gNot part of rating
Fiber2.8 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)9.6 gNatural sugar
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
Oxalate2 mgLow oxalateNot rated · category estimate
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

Practical tips

How to eat it more safely: For high-potassium fruits, portion control is the main lever - for example, half a banana instead of a whole one.

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Related guides

FruitsKidney-friendly foodsHigh fiber foodsLow sodium foods

Frequently asked questions

Is Apples safe for kidney disease?

Apples is rated Kidney-friendly: Potassium is 6% of the CKD stage 3-4 limit, the highest item. Individual needs should be discussed with your healthcare team.

Why is Apples rated Kidney-friendly?

Apples's Potassium content (120 mg) equals 6% of the limit, sitting in the <15% band - that is why it rates Kidney-friendly.

How much Potassium is in Apples?

In every 100 g of Apples, Potassium is about 120 mg - roughly 6% of the daily limit (2,000 mg).

Is Apples safe on a low-potassium diet?

For people watching potassium, Apples falls below 300 mg per 100 g, with Potassium at 120 mg. Confirm your personal limit with your nephrologist or renal dietitian.

How does Apples compare to other fruits foods?

Against the Fruits average, Apples shows less Potassium (120 mg per 100 g). The tier shown here comes from its own numbers, not the category.