Potato vs Cauliflower: Which Is Better for Kidneys?

Comparing Potato and Cauliflower per 100 g: Potato rates Moderate, while Cauliflower rates Kidney-friendly under CKD stage 3-4 daily limits. The biggest gap is Potassium — Cauliflower sits at 7% of the daily limit versus 21% for Potato.

Potato
Moderate Cauliflower
Kidney-friendly

Phosphorus

70 mg

32 mg

Sodium

42 mg

242 mg

12%

Potassium

425 mg

21%

142 mg

See Potato details See Cauliflower details

Frequently asked questions

Which has more potassium, potato or cauliflower?

Per 100 g, potato contains 425 mg and cauliflower contains 142 mg of potassium.

Is potato or cauliflower better for kidney disease?

Based on CKD stage 3-4 daily limits, potato is rated moderate 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: cauliflower sits at 7% of the daily limit versus 21% for potato. See each food page for the full mineral profile.