Mushrooms

Potassium: ModeratePhosphorus: LowerSodium: Lower

The bottom line

Raw mushrooms sit lower; cooking concentrates them into the National Kidney Foundation higher-potassium list — small cooked portions are the compromise.

A healthier swap

Aubergine (eggplant) and zucchini give a similar savoury bulk at lower potassium.

Understand the nutrients

Frequently asked questions

Why does cooking change the rating?

Cooking drives off water and shrinks mushrooms, so a cooked cup holds many more mushrooms — and much more potassium — than a raw cup. The fungus did not change; the portion did.

These pages are general education about eating with kidney disease, dialysis or a kidney transplant. They are not medical advice and do not replace your own care plan. Kidney diets are individual: what is right for you depends on your stage, your blood tests, your medicines and your other conditions. Always talk to your care team or renal dietitian before changing what you eat, and never stop or change a medicine because of something you read here.