Gluten-free grains, seeds and starches:

Amaranth
Arrowroot
Buckwheat
Corn
Coconut Flour
Chickpea Flour
Flax
Millet
Nut and Seed Flours
Potato Flour
Quinoa
Rices
Sago
Sorghum
Soy
Tapioca Flour
Teff

Grains and other ingredients that may contain gluten:

Barley
Barley Malt Extract
Bran
Bulgur
Couscous
Cracked Wheat
Durum
Einkorn Wheat
Emmer Wheat
Farina
Farro
Graham Flour
Kamut
Matzo Flour

Foods that may contain gluten:

Ale and Beer
Bouillon Cubes
Broth
Breading
Brewer’s Yeast
Dextrin
Dressings
Gravy
Imitation Meats
Licorice
Malt Vinegar
Marinades
Oats (Unless labeled GF)
Processed Meats
Sauces
Soup Bases
Soy Sauce
Vegetable Gum