Sweet Potato vs Bell Pepper: Which Is Better for Kidneys?

Comparing Sweet Potato and Bell Pepper per 100 g: Sweet Potato rates Moderate, while Bell Pepper rates Higher risk under CKD stage 3-4 daily limits. Sweet Potato carries the lighter mineral load overall, driven mainly by Sodium (7% vs 68% of the limit).

Sweet Potato
Moderate Bell Pepper
Higher risk

Phosphorus

59 mg

20 mg

Sodium

146 mg

1369 mg

68%

Potassium

409 mg

20%

146 mg

See Sweet Potato details See Bell Pepper details

Frequently asked questions

Which has more sodium, sweet potato or bell pepper?

Per 100 g, sweet potato contains 146 mg and bell pepper contains 1369 mg of sodium.

Is sweet potato or bell pepper better for kidney disease?

Based on CKD stage 3-4 daily limits, sweet potato is rated moderate and bell pepper is rated higher risk. 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 sodium: sweet potato sits at 7% of the daily limit versus 68% for bell pepper. See each food page for the full mineral profile.