Err on the side of caution.

Avoid all uncertainties, including bulk bins and fried food in restaurants. In other words, if you don’t know for sure, it’s a no-go. Foods that are sold from bulk bins may contain gluten, no matter how they are marked. (The problem is that you have no way of knowing what was in the bin before the food you are buying.) You may think you’re buying dried beans and dried beans alone, but you may also be getting dust from the bulgur wheat that was in the bin last week. The safest choice is to buy only packaged goods labeled gluten-free or foods with no suspect ingredients on the label. In restaurants, avoid fried foods. Even if the food itself doesn’t contain gluten, the fry oil may have remnants of breading or other gluten-containing foods. Sauces, gravies, and other toppings may also contain gluten. You are safest if you eat pure, fresh, whole foods from sources you can trust. See my grocery list for foods that are generally considered safe for people with celiac disease.