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Grape juice, canned or bottled, unsweetened, with added ascorbic acid and calcium

Per 100 g edible portion
Fruits
Kidney-friendlyGrape juice scores Kidney-friendly across all three minerals - Potassium leads at 5% of its limit, far from any caution threshold.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus14 mg1%
Low
Sodium5 mg<1%
Low
Potassium104 mg5%
Low

About this food

How to think about Fruits: Grape juice is worth a closer look - 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

Potassium at 5% is the main consideration. Concentrated forms such as juice and dried fruit absorb faster; whole foods are gentler.

Other nutrients

Protein0.4 gNot part of rating
Fiber0.2 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)14.2 gNatural sugar
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
Oxalate4 mgLow oxalateNot rated · category estimate
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Processed or concentrated

Practical tips

A common practice is: 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 Grape juice safe for kidney disease?

Grape juice is rated Kidney-friendly: Potassium is 5% of the CKD stage 3-4 limit, the highest item. Individual needs should be discussed with your healthcare team.

Why is Grape juice rated Kidney-friendly?

Grape juice's Potassium content (104 mg) equals 5% of the limit, sitting in the <15% band - that is why it rates Kidney-friendly.

How much Potassium is in Grape juice?

Per 100 g, Grape juice provides Potassium 104 mg, compared with the CKD stage 3-4 limit of 2,000 mg (5%).

Is Grape juice safe on a low-potassium diet?

On a low-potassium plan, Grape juice falls below the 300 mg reference, showing 104 mg of Potassium per 100 g. Individual targets vary by CKD stage and lab results.

How does Grape juice compare to other fruits foods?

Within Fruits, Grape juice ranks less on Potassium (104 mg per 100 g) than the group average. Individual needs still decide what fits your plan.