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Corn, sweet, white, raw

Per 100 g edible portion
Vegetables
Kidney-friendlyCorn is rated Kidney-friendly. Of phosphorus, sodium and potassium, Potassium is highest (14%), all below 15% of limits.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus89 mg9%
Low
Sodium15 mg<1%
Low
Potassium270 mg14%
Low

About this food

Corn sits in the Vegetables group. 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

From the potassium angle (14%), how much Corn fits depends on your latest lab values - this site only presents the data.

Other nutrients

Protein3.2 gNot part of rating
Fiber2.7 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)3.2 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

Worth remembering: 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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Related guides

VegetablesKidney-friendly foodsHigh fiber foodsLow sodium foods

Frequently asked questions

Is Corn safe for kidney disease?

Corn is rated Kidney-friendly: Potassium is 14% 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 (270 mg) equals 14% of the limit, sitting in the <15% band - that is why it rates Kidney-friendly.

How much Potassium is in Corn?

On a per-100 g basis, Corn contains Potassium 270 mg, or 14% of the 2,000 mg daily limit.

Is Corn safe on a low-potassium diet?

For a potassium-watching diet, Corn falls below the 300 mg per 100 g marker (Potassium 270 mg). The safest step is checking this against your own lab-based limit.

How does Corn compare to other vegetables foods?

Measured against other Vegetables foods, Corn is less in Potassium (270 mg per 100 g) than the category average - data-only, never a prescription.