Healthy Foods and lifestyle are huge in a person with one kidney. A way to keep track of foods is to use "Myfitnesspal.com". It is a useful tool to tack foods,snacks,vitamins,drinks you consume. It can tell you as you list the amount of salt,sugar,fat[types of fat], fiber, cholestroal and more. You can add items to the data base.There is a app,you can get.this tool can help your doctors,loved ones and others you want ,to know about your diet. You can add exercise and notes. It is free! this could be a useful tool. Steve