Potato vs Bell Pepper: Which Is Better for Kidneys?

Q: Which has more potassium, potato or bell pepper?

Per 100 g, potato contains 328 mg and bell pepper contains 211 mg of potassium.

Q: Is potato or bell pepper better for kidney disease?

Based on CKD stage 3-4 daily limits, potato is rated moderate and bell pepper 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: bell pepper sits at 11% of the daily limit versus 16% for potato. See each food page for the full mineral profile.

For a kidney-friendly diet the question is mineral load: Potato is Moderate, Bell Pepper is Kidney-friendly. Bell Pepper carries the lighter mineral load overall, driven mainly by Potassium (11% vs 16% of the limit).

Potato
Moderate Bell Pepper
Kidney-friendly

Phosphorus

40 mg

26 mg

Sodium

5 mg

<1%

4 mg

<1%

Potassium

328 mg

16%

211 mg

11%

See Potato details See Bell Pepper details

Frequently asked questions

Which has more potassium, potato or bell pepper?

Per 100 g, potato contains 328 mg and bell pepper contains 211 mg of potassium.

Is potato or bell pepper better for kidney disease?

Based on CKD stage 3-4 daily limits, potato is rated moderate and bell pepper 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: bell pepper sits at 11% of the daily limit versus 16% for potato. See each food page for the full mineral profile.