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Corn flour, whole-grain, white

Per 100 g edible portion
Grains & Starches
LimitCorn flour is rated Limit. Phosphorus is 27% of its limit, near the caution line - control single portions.

Phosphorus / Sodium / Potassium (rating basis)

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

About this food

Corn flour sits in the Grains & Starches group. 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 leads at 27%. In CKD, track phosphorus intake and factor in the source (Natural plant source (lower absorption)) to judge the true burden.

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

How to eat it more safely: 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?

By our rating standard (CKD stage 3-4), Corn flour is Limit. Main consideration: Phosphorus at 27% of the daily limit. Data is for reference; consult your care team.

Why is Corn flour rated Limit?

Corn flour is rated Limit because Phosphorus is 27% of its limit (272 mg) - the only mineral reaching the 25-30% range.

How much Phosphorus is in Corn flour?

In every 100 g of Corn flour, Phosphorus is about 272 mg - roughly 27% of the daily limit (1,000 mg).

Is Corn flour safe on a low-potassium diet?

For people watching potassium, Corn flour exceeds 300 mg per 100 g, with Potassium at 315 mg. Confirm your personal limit with your nephrologist or renal dietitian.

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

Against the Grains & Starches average, Corn flour shows more Phosphorus (272 mg per 100 g). The tier shown here comes from its own numbers, not the category.