Search Foods
Home Food Database Grapefruit juice

Grapefruit juice, white, canned or bottled, unsweetened

Per 100 g edible portion
Fruits
Kidney-friendlyFrom a daily-limit view, Grapefruit juice lands in the Kidney-friendly band: Potassium is highest at 7%, still comfortably low.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus17 mg2%
Low
Sodium2 mg<1%
Low
Potassium141 mg7%
Low

About this food

For Fruits, Grapefruit juice is a typical example. 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 juice's potassium is the top contributor (7% 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

Protein0.6 gNot part of rating
Fiber0.6 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)7.7 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.

Related foods

Related guides

Frequently asked questions

Is Grapefruit juice safe for kidney disease?

Combining phosphorus, sodium and potassium, Grapefruit juice falls in the Kidney-friendly tier, with Potassium (7%) contributing the most. Plan meals with your doctor's guidance.

Why is Grapefruit juice rated Kidney-friendly?

The deciding factor is Potassium: 141 mg, 7% of the limit, in the <15% band - so Grapefruit juice is rated Kidney-friendly.

How much Potassium is in Grapefruit juice?

Per 100 g, Grapefruit juice contains Potassium 141 mg, which is 7% 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 falls below the 300 mg per 100 g reference point, providing 141 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 less Potassium - 141 mg per 100 g on record. Ratings on this site always use the food's own measured values.