The closest substitute for a potato chip I have found, believe it or not, are soy nuts. They have the crunch of a potato chip and the saltinesss you crave. They also come in a variety of flavors such as ranch, bar-b-que, hot-n-spicy, salted, unsalted, etc. They are high in fiber (5 grms per 1/3 C.), have approx 5 grams of carbs. and 30 mg of isoflavones. I find them very filling, probably due to the high fiber content, and have never found myself in danger of devouring an entire bag/can as I do cashews, peanuts or walnuts. Although, the carb count (5grms) are probably a bit on the high side during induction, I have found that one serving does not impede me weight loss. Besides, 5 grms is a heck of a lot better then the carb count and shame I'd feel after devouring an entire bag of Kettle Chips!