Kale, frozen, cooked, boiled, drained, without salt
Per 100 g edible portion
Vegetables
Kidney-friendlyBased on CKD stage 3-4 daily limits, Kale is rated Kidney-friendly - Potassium is the highest at 7% of its limit, still well below 15%.
Phosphorus / Sodium / Potassium (rating basis)
Phosphorus42 mg4%
Low
Sodium16 mg<1%
Low
Potassium144 mg7%
Low
About this food
Kale belongs to the Vegetables category. Vegetables are a key source of fiber and vitamins and are beneficial in CKD. Some are high in potassium, but slicing, boiling and discarding the water can remove about 30-50% of the potassium - a practical step.
Nutrient insight
Potassium at 7% is the main consideration. Concentrated forms such as juice and dried fruit absorb faster; whole foods are gentler.
Other nutrients
Protein2.9 gNot part of rating
Fiber2.3 gBeneficial for CKD (core plant-based nutrient)
By our rating standard (CKD stage 3-4), Kale is Kidney-friendly. Main consideration: Potassium at 7% of the daily limit. Data is for reference; consult your care team.
Why is Kale rated Kidney-friendly?
Kale is rated Kidney-friendly because Potassium is 7% of its limit (144 mg) - the only mineral reaching the <15% range.
How much Potassium is in Kale?
Per 100 g, Kale provides Potassium 144 mg, compared with the CKD stage 3-4 limit of 2,000 mg (7%).
Is Kale safe on a low-potassium diet?
On a low-potassium plan, Kale falls below the 300 mg reference, showing 144 mg of Potassium per 100 g. Individual targets vary by CKD stage and lab results.
How does Kale compare to other vegetables foods?
Within Vegetables, Kale ranks less on Potassium (144 mg per 100 g) than the group average. Individual needs still decide what fits your plan.