It is extremely important to understand that if you are undergoing CKD treatment, your nutritional needs will be different to those you had before starting, and your diet will progressively be changed to slowly adapt to it.
When you start haemodialysis, your nutritional needs are different and, therefore, some diet changes and eating habits are required.
You need to understand that your nutritional condition depends on what you eat and trying to keep up an adequate physical activity. Thus, changing your diet is not only recommendable, together with dialysis and the prescribed medication, it is vital in your treatment.