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Grapefruit, raw, pink and red, California and Arizona

Per 100 g edible portion
Fruits
Kidney-friendlyGrapefruit is rated Kidney-friendly. Of phosphorus, sodium and potassium, Potassium is highest (7%), all below 15% of limits.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus12 mg1%
Low
Sodium1 mg<1%
Low
Potassium147 mg7%
Low

About this food

Grapefruit 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

Grapefruit's potassium reaches 7% of the limit - the leading item. Patients with normal blood potassium can eat moderate amounts; those with hyperkalemia should be more careful.

Other nutrients

Protein0.5 gNot part of rating
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?

By our rating standard (CKD stage 3-4), Grapefruit is Kidney-friendly. Main consideration: Potassium at 7% of the daily limit. Data is for reference; consult your care team.

Why is Grapefruit rated Kidney-friendly?

Grapefruit is rated Kidney-friendly because Potassium is 7% of its limit (147 mg) - the only mineral reaching the <15% range.

How much Potassium is in Grapefruit?

Grapefruit's Potassium content is 147 mg per 100 g - 7% 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 147 mg. Always verify against your own daily limit.

How does Grapefruit compare to other fruits foods?

How does Grapefruit compare within Fruits? Its Potassium (147 mg per 100 g) is less than the category average. The rating below is calculated from this food's own data.