Corn vs Cauliflower: Which Is Better for Kidneys?

Q: Which has more potassium, corn or cauliflower?

Per 100 g, corn contains 218 mg and cauliflower contains 299 mg of potassium.

Q: Is corn or cauliflower better for kidney disease?

Based on CKD stage 3-4 daily limits, corn is rated kidney-friendly and cauliflower is rated kidney-friendly. Ratings reflect mineral load per 100 g only — individual advice should come from your healthcare team.

Q: What is the main difference for a CKD diet?

The largest difference is potassium: corn sits at 11% of the daily limit versus 15% for cauliflower. See each food page for the full mineral profile.

Comparing Corn and Cauliflower per 100 g: Corn rates Kidney-friendly, while Cauliflower rates Kidney-friendly under CKD stage 3-4 daily limits. The biggest gap is Potassium — Corn sits at 11% of the daily limit versus 15% for Cauliflower.

Corn
Kidney-friendly Cauliflower
Kidney-friendly

Phosphorus

77 mg

44 mg

Sodium

1 mg

<1%

30 mg

Potassium

218 mg

11%

299 mg

15%

See Corn details See Cauliflower details

Frequently asked questions

Which has more potassium, corn or cauliflower?

Per 100 g, corn contains 218 mg and cauliflower contains 299 mg of potassium.

Is corn or cauliflower better for kidney disease?

Based on CKD stage 3-4 daily limits, corn is rated kidney-friendly and cauliflower is rated kidney-friendly. Ratings reflect mineral load per 100 g only — individual advice should come from your healthcare team.

What is the main difference for a CKD diet?

The largest difference is potassium: corn sits at 11% of the daily limit versus 15% for cauliflower. See each food page for the full mineral profile.