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Grapefruit juice, white, frozen concentrate, unsweetened, undiluted

Per 100 g edible portion
Fruits
ModerateUsing CKD stage 3-4 limits, Grapefruit juice falls in the Moderate tier, mainly driven by Potassium (24%). Enjoy in moderation.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus49 mg5%
Low
Sodium3 mg<1%
Low
Potassium484 mg24%
Moderate

About this food

About Grapefruit juice: 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. As a Fruits item, its role in a kidney diet depends mainly on mineral content.

Nutrient insight

Grapefruit juice's potassium is the top contributor (24% of its limit), so its potassium density deserves attention. In CKD stage 3-4 the kidneys clear potassium less well - control portions, and peeling, slicing or boiling can help.

Other nutrients

Protein2 gNot part of rating
Fiber0.4 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)34.2 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: Processed or concentrated

Practical tips

Practical tip: 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

FruitsModerate foodsLow potassium foodsLow sodium foods

Frequently asked questions

Is Grapefruit juice safe for kidney disease?

Grapefruit juice scores Moderate on the phosphorus/sodium/potassium assessment, led by Potassium (24% of limit). This site presents data, not medical judgment.

Why is Grapefruit juice rated Moderate?

The reason: Potassium (484 mg, 24%) is the most prominent of Grapefruit juice's three minerals, at the 15-25% level, which maps to Moderate.

How much Potassium is in Grapefruit juice?

Per 100 g, Grapefruit juice contains Potassium 484 mg, which is 24% of the CKD stage 3-4 daily limit (2,000 mg).

Is Grapefruit juice safe on a low-potassium diet?

On a low-potassium diet, Grapefruit juice exceeds the 300 mg per 100 g reference point, providing 484 mg of Potassium. Treat this as a reference - your stage and labs decide the real target.

How does Grapefruit juice compare to other fruits foods?

Compared with the typical Fruits food, Grapefruit juice has more Potassium - 484 mg per 100 g on record. Ratings on this site always use the food's own measured values.