watch for hidden salt too. here is a pretty good article that gives you different names. plus..if you ever eat out...who knows how much you are getting.

http://vm.cfsan.fda.gov/~dms/fdsodium.html

Aiming to get some idea of a food's sodium content, consumers knowledge able about sodium-restricted diets looked for names like sodium caseinate, monosodium glutamate, trisodium phosphate, sodium ascorbate, sodium bicarbonate, sodium stearoyl lactylate, and other sodium-containing ingredients, including salt (sodium chloride).