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Rhubarb, frozen, uncooked

Per 100 g edible portion
Fruits
Kidney-friendlyUsing CKD stage 3-4 limits, Rhubarb falls in the Kidney-friendly tier - Potassium (5%) is the most notable of the three, with low risk across the board.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus12 mg1%
Low
Sodium2 mg<1%
Low
Potassium108 mg5%
Low

About this food

About Rhubarb: 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

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

Other nutrients

Protein0.6 gNot part of rating
Fiber1.8 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)1.1 gNatural sugar
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
Oxalate530 mgHigh oxalateNot rated · category estimate
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

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 Rhubarb safe for kidney disease?

Based on CKD stage 3-4 daily limits, Rhubarb is rated Kidney-friendly - Potassium is the highest contributor at 5% of its limit. Ratings reflect public nutrition data only; individual cases should follow medical advice.

Why is Rhubarb rated Kidney-friendly?

Among phosphorus, sodium and potassium, Rhubarb's Potassium is highest (108 mg, 5% of daily limit), falling in the <15% band - hence the Kidney-friendly rating.

How much Potassium is in Rhubarb?

Per 100 g, Rhubarb provides Potassium 108 mg, compared with the CKD stage 3-4 limit of 2,000 mg (5%).

Is Rhubarb safe on a low-potassium diet?

On a low-potassium plan, Rhubarb falls below the 300 mg reference, showing 108 mg of Potassium per 100 g. Individual targets vary by CKD stage and lab results.

How does Rhubarb compare to other fruits foods?

Within Fruits, Rhubarb ranks less on Potassium (108 mg per 100 g) than the group average. Individual needs still decide what fits your plan.