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Mushroom vs Lettuce: Which Is Better for Kidneys?

For a kidney-friendly diet the question is mineral load: Mushroom is Moderate, Lettuce is Kidney-friendly. On the three rated minerals, the widest separation is Potassium: 7% of the limit for Lettuce against 16% for Mushroom.

Mushroom
Moderate Lettuce
Kidney-friendly
Phosphorus
86 mg
9%
20 mg
2%
Sodium
5 mg
<1%
10 mg
<1%
Potassium
318 mg
16%
141 mg
7%

About Mushroom

Mushroom 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 Lettuce

Lettuce 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.

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. 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.

See Mushroom details See Lettuce details

Frequently asked questions

Which has more potassium, mushroom or lettuce?

For Potassium, the per-100 g values are 318 mg in Mushroom and 141 mg in Lettuce — the rest of the mineral profile is on each food page.

Is mushroom or lettuce better for kidney disease?

Based on CKD stage 3-4 daily limits, Mushroom is rated Moderate and Lettuce is rated Kidney-friendly. Ratings reflect mineral load per 100 g only; individual advice should come from your healthcare team.

What is the difference between mushroom and lettuce for a CKD diet?

The largest difference is Potassium: Lettuce sits at 7% of the daily limit versus 16% for Mushroom. Portion size changes both numbers, so compare per 100 g values on the food pages.