Polenta — Cornmeal is Avoid for kidney disease patients
Avoid or eat rarely if you have CKD · Verified against USDA & KDOQI guidelines.
Polenta — Cornmeal — kidney-friendly food
CKD Daily Limit Impact
Phosphorus
27%
Sodium
2%
Potassium
14%
Based on CKD Stage 3-4 daily limits
🍚 Grains & Starches Avoid

Polenta — Cornmeal

Nutrition facts & CKD safety rating per 100gram serving

Serving Size 100.0 gram
5gram ← drag to adjust → 500gram
Calories
362 kcal
Protein
8.1 g
Carbs
76.0 g
Fat
3.6 g
Phosphorus Learn more →
272 mg
27% of 1,000mg daily CKD limit
35 mg
2% of 2,300mg daily CKD limit
Potassium Learn more →
287 mg
14% of 2,000mg daily CKD limit
Verdict: Avoid for CKD

Polenta — Cornmeal contains levels that significantly exceed CKD-friendly thresholds. Avoid this food regularly. If you must eat it (e.g., on a special occasion), keep portions tiny and adjust the rest of your day accordingly.

Always confirm with your nephrologist or renal dietitian — individual CKD stages and lab values vary.

Source & Notes

Imported from mediterranean-foods. USDA. Italian.

Kidney-Friendly Alternatives

Looking for safer choices in Grains & Starches? Try these instead:

Frequently Asked Questions

Is Polenta — Cornmeal safe for people with kidney disease?
Polenta — Cornmeal is rated Avoid for CKD patients. Avoid or eat rarely if you have CKD. With 272.0mg phosphorus, 35.0mg sodium, and 287.0mg potassium per 100.0g serving, it is best avoided or eaten only on special occasions. Always confirm with your nephrologist or renal dietitian.
How much phosphorus is in Polenta — Cornmeal?
A 100.0g serving of Polenta — Cornmeal contains 272mg of phosphorus, which is approximately 27% of the recommended 1,000mg daily limit for CKD Stage 3-4 patients.
How much sodium is in Polenta — Cornmeal?
Per 100.0g serving, Polenta — Cornmeal provides 35mg of sodium — about 2% of the 2,300mg daily sodium limit recommended for kidney patients.
How much potassium is in Polenta — Cornmeal?
Polenta — Cornmeal contains 287mg of potassium per 100.0g serving, equivalent to about 14% of the daily 2,000mg potassium limit for CKD Stage 3-4 patients.
Can dialysis patients eat Polenta — Cornmeal?
Dialysis patients have stricter mineral limits. Given Polenta — Cornmeal is rated Avoid (Avoid or eat rarely if you have CKD), dialysis patients should consult their dietitian before consuming this food. Your dialysis team can give you personalised portion advice.

More Grains & Starches

Last updated: June 2, 2026 · Data source: USDA FoodData Central & KDOQI guidelines