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Grapefruit, raw, pink and red, Florida

Per 100 g edible portion
Fruits
Kidney-friendlyOn a stage 3-4 CKD basis, Grapefruit's Kidney-friendly rating is driven by Potassium (6%) - none of the three minerals exceeds 15%.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus9 mg<1%
Low
Sodium0 mg<1%
Low
Potassium127 mg6%
Low

About this food

Grapefruit (Fruits). 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. This is the same lens used for similar items.

Nutrient insight

Grapefruit's potassium reaches 6% of the limit - the leading item. Patients with normal blood potassium can eat moderate amounts; those with hyperkalemia should be more careful.

Other nutrients

Protein0.6 gNot part of rating
Fiber1.1 gBeneficial for CKD (core plant-based nutrient)
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
OxalateNo dataNot rated · reference for those with kidney stones
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

Practical tips

If you are managing mineral intake: 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 Grapefruit safe for kidney disease?

On a CKD stage 3-4 basis, Grapefruit is Kidney-friendly, with risk mainly coming from Potassium (6%). Data is for reference and is not medical advice.

Why is Grapefruit rated Kidney-friendly?

Simply put: among Grapefruit's three minerals, Potassium is highest (127 mg, 6%), and by the tier rule (<15%) the result is Kidney-friendly.

How much Potassium is in Grapefruit?

Grapefruit's Potassium content is 127 mg per 100 g - 6% of the daily limit of 2,000 mg.

Is Grapefruit safe on a low-potassium diet?

If you are on a potassium-restricted diet, Grapefruit falls below 300 mg per 100 g - Potassium comes in at 127 mg. Always verify against your own daily limit.

How does Grapefruit compare to other fruits foods?

How does Grapefruit compare within Fruits? Its Potassium (127 mg per 100 g) is less than the category average. The rating below is calculated from this food's own data.