Salt contains high amounts of sodium which raises blood pressure. It is not only sugary things that you should avoid if you are diabetic. Salt has been known to raise blood pressure and taking foods with a lot of salt can prove dangerous to your health. Even if you are not diabetic you should limit the amount of salt that you use. The recommended amount of sodium that you take is 2300 milligrams per day. If you are diabetic you should try to take 1800 milligrams per day.