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Potato vs Asparagus: Which Is Better for Kidneys?

Comparing Potato and Asparagus per 100 g: Potato rates Moderate, while Asparagus rates Kidney-friendly under CKD stage 3-4 daily limits. The practical difference comes down to Potassium — Asparagus uses 10% of the daily allowance, while Potato takes 16%.

Potato
Moderate Asparagus
Kidney-friendly
Phosphorus
40 mg
4%
52 mg
5%
Sodium
5 mg
<1%
2 mg
<1%
Potassium
328 mg
16%
202 mg
10%

About Potato

Potato belongs to the Vegetables category. Vegetables are a key source of fiber and vitamins and are beneficial in CKD. Some are high in potassium, but slicing, boiling and discarding the water can remove about 30-50% of the potassium - a practical step.

About Asparagus

About Asparagus: Vegetables are a key source of fiber and vitamins and are beneficial in CKD. Some are high in potassium, but slicing, boiling and discarding the water can remove about 30-50% of the potassium - a practical step. As a Vegetables item, its role in a kidney diet depends mainly on mineral content.

Practical tips

If you are managing mineral intake: Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables. Worth remembering: Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables.

See Potato details See Asparagus details

Frequently asked questions

Which has more potassium, potato or asparagus?

Per 100 g, Potato contains 328 mg of Potassium and Asparagus contains 202 mg. The difference comes from Potassium load alone — see each food page for the other minerals.

Is potato or asparagus better for kidney disease?

Under the daily limits used on this site, Potato falls in the Moderate tier and Asparagus in the Kidney-friendly tier. Lower tiers mean a smaller share of the daily allowance per 100 g.

What is the difference between potato and asparagus for a CKD diet?

For a CKD diet, the key gap is Potassium — 10% of the limit for Asparagus and 16% for Potato. Check each food page for phosphorus, sodium and potassium together.