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Corn grain, white

Per 100 g edible portion
Grains & Starches
ModerateUsing CKD stage 3-4 limits, Corn grain falls in the Moderate tier, mainly driven by Phosphorus (21%). Enjoy in moderation.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus210 mg21%
Moderate
Sodium35 mg2%
Low
Potassium287 mg14%
Low

About this food

About Corn grain: Grains and starches are usually relatively low in potassium and phosphorus, making them a sensible base for a CKD diet. Watch whole-grain and some processed grain products, which can carry more phosphorus. As a Grains & Starches item, its role in a kidney diet depends mainly on mineral content.

Nutrient insight

On the phosphorus angle (21%), Corn grain belongs in the watch category. Pairing it with low-phosphorus sides like white rice or egg whites balances the meal.

Other nutrients

Protein9.4 gNot part of rating
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: Use refined grains as the base and treat whole grains by portion, since they carry more phosphorus.

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Related guides

Grains & StarchesModerate foodsHigh fiber foodsLow phosphorus foods

Frequently asked questions

Is Corn grain safe for kidney disease?

Combining phosphorus, sodium and potassium, Corn grain falls in the Moderate tier, with Phosphorus (21%) contributing the most. Plan meals with your doctor's guidance.

Why is Corn grain rated Moderate?

The deciding factor is Phosphorus: 210 mg, 21% of the limit, in the 15-25% band - so Corn grain is rated Moderate.

How much Phosphorus is in Corn grain?

Per 100 g, Corn grain provides Phosphorus 210 mg, compared with the CKD stage 3-4 limit of 1,000 mg (21%).

Is Corn grain safe on a low-potassium diet?

On a low-potassium plan, Corn grain falls below the 300 mg reference, showing 287 mg of Potassium per 100 g. Individual targets vary by CKD stage and lab results.

How does Corn grain compare to other grains & starches foods?

Within Grains & Starches, Corn grain ranks more on Phosphorus (210 mg per 100 g) than the group average. Individual needs still decide what fits your plan.