Asparagus vs Butter: Which Is Better for Kidneys?

Q: Which has more sodium, asparagus or butter?

Per 100 g, asparagus contains 2 mg and butter contains 240 mg of sodium.

Q: Is asparagus or butter better for kidney disease?

Based on CKD stage 3-4 daily limits, asparagus is rated kidney-friendly and butter is rated moderate. 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 sodium: asparagus sits at <1% of the daily limit versus 12% for butter. See each food page for the full mineral profile.

Looking at the three rated minerals, Asparagus lands in the Kidney-friendly tier and Butter in the Moderate tier. The biggest gap is Sodium — Asparagus sits at <1% of the daily limit versus 12% for Butter.

Asparagus
Kidney-friendly Butter
Moderate

Phosphorus

52 mg

7 mg

<1%

Sodium

2 mg

<1%

240 mg

12%

Potassium

202 mg

10%

354 mg

18%

See Asparagus details See Butter details

Frequently asked questions

Which has more sodium, asparagus or butter?

Per 100 g, asparagus contains 2 mg and butter contains 240 mg of sodium.

Is asparagus or butter better for kidney disease?

Based on CKD stage 3-4 daily limits, asparagus is rated kidney-friendly and butter is rated moderate. 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: asparagus sits at <1% of the daily limit versus 12% for butter. See each food page for the full mineral profile.