Nutrition: Reducing Sodium Intake When Eating Out Download English PDF, 1.69MB, PDF Download Chinese PDF, 1.45MB, PDF Sodium helps to regulate fluids in the body. Therefore, it has a major role in controlling blood volume and blood pressure. You are recommended to limit your sodium intake if you have: Hypertension (High Blood Pressure)Heart Failure Kidney Disease Liver Cirrhosis (Hardening/Scarring of the Liver) Even if you do not have any of the above medical conditions, limiting sodium intake is still beneficial as it reduces the risk of developing medical conditions such as heart disease and kidney disease. [Please download the PDF file if you are unable to view the image below.]