These foods are good for everyone, not just people with kidney disease, so by using them in your family's meals, you'll be helping your loved ones enjoy good health too. 1. Red bell peppers. Red bell peppers are a good choice for those concerned about kidney health, because they're low in potassium.ost of us know that eating a balanced diet is important for good health. Now scientists have pinpointed certain foods as super foods. In addition to promoting overall health, these are foods for kidney health as well.