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Corn, sweet, yellow, cooked, boiled, drained, without salt

Per 100 g edible portion
Vegetables
Kidney-friendlyCorn scores Kidney-friendly across all three minerals - Potassium leads at 11% of its limit, far from any caution threshold.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus77 mg8%
Low
Sodium1 mg<1%
Low
Potassium218 mg11%
Low

About this food

How to think about Vegetables: Corn is worth a closer look - 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 11% is the main consideration. Concentrated forms such as juice and dried fruit absorb faster; whole foods are gentler.

Other nutrients

Protein3.4 gNot part of rating
Fiber2.4 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)4.5 gNatural sugar
Alcohol0 gAlcohol-free
Purine6.4 mgLow purineNot rated · category estimate
Oxalate1 mgLow oxalateNot rated · category estimate
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

Practical tips

A common practice is: Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables.

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Frequently asked questions

Is Corn safe for kidney disease?

Corn is rated Kidney-friendly: Potassium is 11% of the CKD stage 3-4 limit, the highest item. Individual needs should be discussed with your healthcare team.

Why is Corn rated Kidney-friendly?

Corn's Potassium content (218 mg) equals 11% of the limit, sitting in the <15% band - that is why it rates Kidney-friendly.

How much Potassium is in Corn?

Per 100 g, Corn provides Potassium 218 mg, compared with the CKD stage 3-4 limit of 2,000 mg (11%).

Is Corn safe on a low-potassium diet?

On a low-potassium plan, Corn falls below the 300 mg reference, showing 218 mg of Potassium per 100 g. Individual targets vary by CKD stage and lab results.

How does Corn compare to other vegetables foods?

Within Vegetables, Corn ranks less on Potassium (218 mg per 100 g) than the group average. Individual needs still decide what fits your plan.