Follow the DASH Diet To Help Control Your Kidney Disease. Eat Your Way to Better Kidney Function. If you have kidney disease, you've learned to live with a restricted diet in order to stay healthy. With this book, you can unleash the power of the scientifically proven DASH diet to improve renal function while enjoying a wide variety of delicious foods. The easy-to-follow meal plans, shopping tips and healthy swaps outlined in DASH Diet for Renal Health will help you create a bounty of tasty low-potassium and low-phosphorus recipes.