They have a large selection of gluten free foods in the natural foods section: frozen entree, frozen GF breads/rolls/donuts/cookies, other frozen convenience foods, frozen pizza, canned/jarred sauces and condiments, cereals, crackers, packaged cookies, junk food, pasta, boxed convenience foods (similar to hamburger helper, etc). . .
PLUS you will find a variety of brands of staples (GF bread crumbs, flours/grains, seasonings, broths, etc). Also carry a great assortment of dry mixes for baking cakes/cookies/breads/muffins and more.
You will also find a number of GF foods throughout the rest of the store. It is a huge store, and you will find that they likely stock more brands of each item than any other store. You can find more options in the regular aisles (soups, mexican, asian. . .) many happen to be gluten free but aren't in the GF aisle. They have the cheapest and best selection of GF in Madison. Happy shopping, and enjoy their low, low prices.