Are Bananas High In Phosphorus?

Are Bananas High In Phosphorus? Bananas are very high in potassium. One banana has 422mg of potassium. However, patients on peritoneal dialysis may be able to have higher amounts of potassium. These are not only high in phosphorus, but also are high in potassium. What foods to avoid if phosphorus is high? Dairy foods. Beans.