Sodium chloride (also known as common salt) is the principal source of sodium in the diet, and is used as seasoning and preservative, such as for pickling and jerky; most of it comes from processed foods.
sˈoʊdiəm klˈoːɹaɪd ˈɔːlsoʊ nˈoʊn æz kˈɑːmən sˈɔlt ɪz ðə pɹˈɪnsɪpəl sˈoːɹs ʌv sˈoʊdiəm ɪnðə dˈaɪət, ænd ɪz jˈuːzd æz sˈiːzənɪŋ ænd pɹɪzˈɜːvətˌɪv, sˈʌtʃ ɐz fɔːɹ pˈɪklɪŋ ænd dʒˈɜːki; mˈoʊst əv ɪt kˈʌmz fɹʌm pɹˈɑːsɛst fˈuːdz.