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Home Food Comparisons Bell Pepper vs Kale: Which Is Better for Kidneys?

Bell Pepper vs Kale: Which Is Better for Kidneys?

Side by side, Bell Pepper (Kidney-friendly) and Kale (Moderate) differ most in Potassium: Bell Pepper has 211 mg, Kale has 348 mg. The biggest gap is Potassium — Bell Pepper sits at 11% of the daily limit versus 17% for Kale.

Bell Pepper
Kidney-friendly
Kale
Moderate
Phosphorus
26 mg
3%
55 mg
6%
Sodium
4 mg
<1%
53 mg
3%
Potassium
211 mg
11%
348 mg
17%

About Bell Pepper

Bell Pepper sits in the Vegetables group. 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 Kale

In a CKD diet, Vegetables deserve attention: Kale - 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.

Practical tips

A handy approach - Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables. How to eat it more safely: Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables.

See Bell Pepper details See Kale details

Frequently asked questions

Which has more potassium, bell pepper or kale?

Bell Pepper has 211 mg of Potassium per 100 g, compared with 348 mg in Kale. Both numbers are measured against the same daily limit.

Is bell pepper or kale better for kidney disease?

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

What is the difference between bell pepper and kale for a CKD diet?

For a CKD diet, the key gap is Potassium — 11% of the limit for Bell Pepper and 17% for Kale. Check each food page for phosphorus, sodium and potassium together.