Corazonas Foods, based in Los Angeles, owns a distinction in an FDA-backed claim that a key ingredient of its snacks actually does make them heart-healthy by lowering cholesterol. Initially, though, even the line’s most avid fans didn’t fully grasp how much good the snacks were doing for them. They were happy just to think of Corazonas chips and bakery squares as diet-smart indulgences that tasted delicious.