Younan Nowzaradan: Dr. Now’s Diet for My 600-lb Life

At its core, everyone on the show is told to follow a low-carb, low-fat, high-protein diet; they’re also told to avoid sugary snacks and drinks, as well as high-carb foods like potatoes (in pretty much any form, be it chips, french fries, or mashed potatoes), rice, pasta, and cereal.