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Blueberries, frozen, unsweetened (Includes foods for USDA's Food Distribution Program)

Per 100 g edible portion
Fruits
Kidney-friendlyBased on CKD stage 3-4 daily limits, Blueberries is rated Kidney-friendly - Potassium is the highest at 3% of its limit, still well below 15%.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus11 mg1%
Low
Sodium1 mg<1%
Low
Potassium54 mg3%
Low

About this food

Blueberries belongs to the Fruits category. 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

Blueberries's potassium is the top contributor (3% 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

Protein0.4 gNot part of rating
Fiber2.7 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)8.4 gNatural sugar
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
Oxalate9.5 mgLow oxalateNot rated · category estimate
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

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

FruitsKidney-friendly foodsHigh fiber foodsLow sodium foods

Frequently asked questions

Is Blueberries safe for kidney disease?

By our rating standard (CKD stage 3-4), Blueberries is Kidney-friendly. Main consideration: Potassium at 3% of the daily limit. Data is for reference; consult your care team.

Why is Blueberries rated Kidney-friendly?

Blueberries is rated Kidney-friendly because Potassium is 3% of its limit (54 mg) - the only mineral reaching the <15% range.

How much Potassium is in Blueberries?

Per 100 g, Blueberries contains Potassium 54 mg, which is 3% of the CKD stage 3-4 daily limit (2,000 mg).

Is Blueberries safe on a low-potassium diet?

On a low-potassium diet, Blueberries falls below the 300 mg per 100 g reference point, providing 54 mg of Potassium. Treat this as a reference - your stage and labs decide the real target.

How does Blueberries compare to other fruits foods?

Compared with the typical Fruits food, Blueberries has less Potassium - 54 mg per 100 g on record. Ratings on this site always use the food's own measured values.