This list is from http://www.davita.com/kidney-disease/diet-and-nutrition/lifestyle/top-15-healthy-foods-for-people-with-kidney-disease/e/5347 1. Red bell peppers 1/2 cup serving red bell pepper = 1 mg sodium, 88 mg potassium, 10 mg phosphorus low in potassium , excellent source of vitamin C and vitamin A, as well as vitamin B6, folic acid and fiber., contain lycopene, an antioxidant that protects against certain cancers. 2. Cabbage 1/2 cup serving green cabbage = 6 mg sodium, 60 mg potassium, 9 mg phosphorus packed full of phytochemicals, High in vitamin K, vitamin C and fiber, a good source of vitamin B6 and folic acid. Low in potassium 3. Cauliflower 1/2 cup serving boiled cauliflower = 9 mg sodium, 88 mg potassium, 20 mg phosphorus high in vitamin C and a good source of folate and fiber . packed full of indoles, glucosinolates and thiocyanates—compounds that help the liver neutralize toxic substances that could damage cell membranes...