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Blackberries, raw

Per 100 g edible portion
Fruits
Kidney-friendlyBlackberries scores Kidney-friendly across all three minerals - Potassium leads at 8% of its limit, far from any caution threshold.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus22 mg2%
Low
Sodium1 mg<1%
Low
Potassium162 mg8%
Low

About this food

How to think about Fruits: Blackberries 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

Blackberries's potassium is the top contributor (8% 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

Protein1.4 gNot part of rating
Fiber5.3 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)4.9 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: 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 Blackberries safe for kidney disease?

By our rating standard (CKD stage 3-4), Blackberries is Kidney-friendly. Main consideration: Potassium at 8% of the daily limit. Data is for reference; consult your care team.

Why is Blackberries rated Kidney-friendly?

Blackberries is rated Kidney-friendly because Potassium is 8% of its limit (162 mg) - the only mineral reaching the <15% range.

How much Potassium is in Blackberries?

Per 100 g, Blackberries contains Potassium 162 mg, which is 8% of the CKD stage 3-4 daily limit (2,000 mg).

Is Blackberries safe on a low-potassium diet?

On a low-potassium diet, Blackberries falls below the 300 mg per 100 g reference point, providing 162 mg of Potassium. Treat this as a reference - your stage and labs decide the real target.

How does Blackberries compare to other fruits foods?

Compared with the typical Fruits food, Blackberries has less Potassium - 162 mg per 100 g on record. Ratings on this site always use the food's own measured values.