Here is a shopping list that may help you still need to read labels because sometimes they change ingredients. I also use a recipe book called the Gluten free gourmet.
Shopping List of Gluten-Free Food
PRODUCE
All fresh fruit, All fresh vegetables, Fresh herbs and spices
FATS AND OILS
Vegetable, canola and olive oils, Shortenings, Mayonnaise, Salad dressings
FROZEN FOODS
Plain frozen fruits and vegetables, Ice creams, sherbets, ices, Gluten-free frozen waffles
REFRIGERATOR SECTION
Milk, half-and-half, cream, whipping cream, Aged cheeses, Butter, Margarine, Yogurts, Cottage cheese, Sour cream, Cream cheese, Eggs,Tofu, Jello, Rice pudding, Tapioca pudding, 100% fruit juices
PACKAGES, CANS, JARS
Plain canned fruits and vegetables, Applesauce, Cranberry sauce, Canned beans and lentils, Spaghetti sauces, Canned fish (e.g., tuna, salmon, sardines), Organic packaged soups, Gluten-free pastas, Corn tortillas
SNACKS
Rice cakes, rice crackers, Soy crisps, Popcorn, Cheese puffs, Potato and corn chips, Jello, Candies, Chocolates, Dried fruits
MEAT AND FISH
All fresh beef and poultry, All fish and shellfish, Hot dogs and luncheon meats (For anything prepackaged or prewrapped, check labels for additives)
GRAINS, SEEDS, AND STARCHES
Quinoa, Rice, Buckwheat, Chickpeas, Flax, Sunflower seeds, Cornstarch, Potato starch
CONDIMENTS
Vinegars (but not malt vinegar), Mustard, Ketchup, Horseradish, Jams and jellies, Honey, Maple syrup, Relish, pickles, olives
BREAKFAST FOODS
Cream of Rice cereal, Puffed rice, puffed corn, Gluten-free cereals, Gluten-free frozen waffles
BAKING SUPPLIES
Sugar, Salt and pepper, Herbs and spices, Evaporated or condensed milk, Corn meal, Tapioca, Baking soda, Baking powder, Gluten-free flours, Baking chocolate, Cocoa
BEVERAGES
Coffee and Tea (but check the gluten-free status of flavored coffees and teas), Soft drinks, Fruit juice
NUTS AND BEANS
Dried beans and peas, Plain nuts, Peanut butter, Almond butter, Cashew butter