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Corn flour, whole-grain, yellow

Per 100 g edible portion
Grains & Starches
LimitCorn flour receives a Limit rating. Phosphorus at 27% of its limit is the highest of the three, so keep servings small.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus272 mg27%
High
Sodium5 mg<1%
Low
Potassium315 mg16%
Moderate

About this food

In a CKD diet, Grains & Starches deserve attention: Corn flour - 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.

Nutrient insight

Phosphorus at 27% is the highest item. Additive phosphorus in processed foods absorbs best; naturally occurring phosphorus is more controllable.

Other nutrients

Protein6.9 gNot part of rating
Fiber7.3 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)0.6 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

If you are managing mineral intake: Use refined grains as the base and treat whole grains by portion, since they carry more phosphorus.

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Related guides

Grains & StarchesLimit foodsLow potassium foodsLow phosphorus foods

Frequently asked questions

Is Corn flour safe for kidney disease?

On a CKD stage 3-4 basis, Corn flour is Limit, with risk mainly coming from Phosphorus (27%). Data is for reference and is not medical advice.

Why is Corn flour rated Limit?

Simply put: among Corn flour's three minerals, Phosphorus is highest (272 mg, 27%), and by the tier rule (25-30%) the result is Limit.

How much Phosphorus is in Corn flour?

Corn flour's Phosphorus content is 272 mg per 100 g - 27% of the daily limit of 1,000 mg.

Is Corn flour safe on a low-potassium diet?

If you are on a potassium-restricted diet, Corn flour exceeds 300 mg per 100 g - Potassium comes in at 315 mg. Always verify against your own daily limit.

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

How does Corn flour compare within Grains & Starches? Its Phosphorus (272 mg per 100 g) is more than the category average. The rating below is calculated from this food's own data.