Mushroom vs Corn: Which Is Better for Kidneys?

Q: Which has more potassium, mushroom or corn?

Per 100 g, mushroom contains 506 mg and corn contains 116 mg of potassium.

Q: Is mushroom or corn better for kidney disease?

Based on CKD stage 3-4 daily limits, mushroom is rated limit and corn 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 6% of the daily limit versus 25% for mushroom. See each food page for the full mineral profile.

For a kidney-friendly diet the question is mineral load: Mushroom is Limit, Corn is Kidney-friendly. If you are choosing between them, Corn leaves more room in the daily allowance — the Potassium gap is 6% versus 25%.

Mushroom
Limit Corn
Kidney-friendly

Phosphorus

57 mg

41 mg

Sodium

9 mg

<1%

163 mg

Potassium

506 mg

25%

116 mg

See Mushroom details See Corn details

Frequently asked questions

Which has more potassium, mushroom or corn?

Per 100 g, mushroom contains 506 mg and corn contains 116 mg of potassium.

Is mushroom or corn better for kidney disease?

Based on CKD stage 3-4 daily limits, mushroom is rated limit and corn 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 6% of the daily limit versus 25% for mushroom. See each food page for the full mineral profile.