Tostitos's a brand of tortilla chips and (more recently) dips produced by Frito-Lay and introduced in 1979, with national distribution reached in 1981. They're made from all-white corn and do indeed contain trans fat in the form of partially hydrogenated soybean oil despite the "0 grams trans fat" label . Traditionally, Tostitos chips contain no extra flavoring or preservatives, and thus are advertised to be suited for dipping. They're lightly salted, however. Chips are about 1 ⅓ of an inc… (More on Tostitos)