Here are useful Gluten Free Product Lists that we find handy for shopping:
Wheaton Gluten-Free Support Group Food Product List - a pdf file of commercial food products.
Wheaton Gluten-Free Support Group Medication List - a pdf file of pharmaceutical products.
Whole Foods Market Gluten Free Products List - This grocery store has an aisle partially dedicated to gluten free products, often shelf-marks gluten free products throughout the store with a special tag, and runs a bakery that produces gluten free muffins, bread, cookies etc.
Trader Joe’s Gluten Free Products - Trader Joe’s used to have different GF lists for East and West coasts of the U.S. While they stock some gluten free products they do not seem to have a gluten free list on line as of Sept. 24, 2006.