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Grapefruit, raw, white, all areas

Per 100 g edible portion
Fruits
Kidney-friendlyMeasured against KDIGO/KDOQI daily limits, Grapefruit is Kidney-friendly: even its highest mineral, Potassium, reaches only 7% of the limit.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus8 mg<1%
Low
Sodium0 mg<1%
Low
Potassium148 mg7%
Low

About this food

Grapefruit is a common member of 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 helps when choosing similar foods.

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

Protein0.7 gNot part of rating
Fiber1.1 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)7.3 gNatural sugar
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 (148 mg) - the only mineral reaching the <15% range.

How much Potassium is in Grapefruit?

Grapefruit's Potassium content is 148 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 148 mg. Always verify against your own daily limit.

How does Grapefruit compare to other fruits foods?

How does Grapefruit compare within Fruits? Its Potassium (148 mg per 100 g) is less than the category average. The rating below is calculated from this food's own data.