Question: what are the best foods to eat for kidney function?
Answer: Red bell peppers. 1/2 cup serving red bell pepper = 1 mg sodium, 88 mg potassium, 10 mg phosphorus. ... 
Cabbage. 1/2 cup serving green cabbage = 6 mg sodium, 60 mg potassium, 9 mg phosphorus. ... 
Cauliflower. ... 
Garlic. ... 
Onions. ... 
Apples. ... 
Cranberries. ... 
Blueberries.