Eating at Chick-fil-A with celiac disease, IBS or food allergies

Some people with food restrictions do, but Chick-fil-A is clear about its limits. As of October 2026, Chick-fil-A’s Nutrition & Allergens page says that because of the handcrafted nature of its food, variations in supplier ingredients and its shared cooking and preparation areas, it cannot ensure its food is free from any allergens. It also says products containing milk, egg, soy, wheat and sesame are all made in its kitchens.

Each menu item on Chick-fil-A’s website has an ingredient list and, for most items, a "This menu item contains" line. This guide summarizes what those pages said when we checked them, what that means for celiac disease, IBS and the major allergens, and what to ask when you order. It doesn’t call anything safe, and neither does Chick-fil-A.

This is the question many people search first. As of October 2026, Chick-fil-A states that it cooks in 100% refined peanut oil, and that according to the FDA, highly refined oils such as highly refined soybean and peanut oil are not considered major food allergens. Its Chick-fil-A Chicken Sandwich page describes the breaded chicken as cooked in refined peanut oil.

The Waffle Potato Fries page says the fries are cooked in canola oil (high-oleic canola oil), and it listed no allergens under "This menu item contains" when we checked. The pages we read don’t say which foods share fryers or fry baskets, so ask at your restaurant if that matters for your allergy or for celiac disease.

Whether refined peanut oil is a concern for you is a question for your allergist, not for a website. Some people with a peanut allergy choose to avoid it anyway. Chick-fil-A suggests contacting Chick-fil-A CARES for specific dietary questions.

These examples come from Chick-fil-A’s US item pages when we checked them in October 2026. They describe what Chick-fil-A lists. They aren’t recommendations, and they can change.

Chick-fil-A’s sesame FAQ says menu items served on the white bun contain sesame, as does the flaxseed flour flatbread used for the Cool Wrap, and that because of shared cooking and preparation areas it cannot ensure certain items are sesame-free.

"None listed" means Chick-fil-A doesn’t list one of the major allergens as an ingredient. It doesn’t mean the item is free from cross-contact. FARE explains how shared surfaces and utensils can carry allergens from one food to another.

Chick-fil-A’s gluten-free bun FAQ says, as of October 2026, that it offers a certified gluten-free bun, individually packaged, made with gluten-free grains including sorghum and amaranth. It arrives at restaurants pre-packaged to prevent gluten cross-contact. But Chick-fil-A also says that once the bun is removed from its packaging, it is no longer considered gluten-free, because it may come into contact with ingredients in the kitchen that contain gluten. So it encourages guests to assemble the sandwich themselves.

Its gluten FAQ separates two groups:

• Sealed, certified gluten-free items, such as the packaged bun, Buddy Fruits apple sauce and Waffle Potato Chips.
• "Gluten-friendly" items, such as the grilled filet (without a bun or with the gluten-free bun), Grilled Nuggets, Waffle Potato Fries, hash browns and several salads and sauces. Chick-fil-A says it can’t ensure that any menu item other than the sealed items will be completely gluten-free.

"Gluten-friendly" is not the same as celiac-safe. The NIDDK explains that cross-contact happens when gluten-containing foods touch gluten-free foods, and advises letting your server know you have celiac disease. The Celiac Disease Foundation lists fried foods cooked in oil shared with breaded products as a cross-contact risk. Because Chick-fil-A doesn’t publish fryer-sharing details on these pages, ask about fryers, grills and gloves at your restaurant.

Our guides to eating out with celiac disease and gluten-free vs celiac-safe cover how to weigh this with your care team.

Monash University lists garlic, onion, honey and wheat-based breads among higher-FODMAP foods, and potato among lower-FODMAP vegetables. Here is where those ingredients showed up on Chick-fil-A’s pages in October 2026:

When we checked, the sauce pages showed full ingredient lists but no "This menu item contains" line. The Chick-fil-A Sauce ingredients include egg yolk and mustard, so read the ingredients for every sauce rather than relying on a missing allergen line.

With FODMAPs, portion size matters, so a small amount of sauce may sit differently from a full cup. Our guides to hidden garlic and onion and FODMAP portion sizes explain more. Only you and your dietitian know your own triggers, so treat this as a starting point.

• Milk: listed for the Chick-fil-A Chicken Sandwich, the breaded nuggets and Mac & Cheese, among others. The breaded chicken’s ingredients include milk.
• Egg: listed for the breaded chicken items, the Grilled Chicken Sandwich and Mac & Cheese, and egg yolk is in the Chick-fil-A Sauce.
• Wheat: in the breading and the regular buns.
• Sesame: in the white bun and the Cool Wrap flatbread.
• Soy: listed for the Chick-fil-A Chicken Sandwich and Mac & Cheese.
• Tree nuts: listed for the Kale Crunch Side (almonds).
• Peanut: Chick-fil-A cooks in refined peanut oil, as described above.

Milk allergy and lactose intolerance aren’t the same. For an allergy, any amount matters, and cross-contact counts. For lactose intolerance, some people tolerate small amounts; our lactose intolerance guide explains why. For more on fast food in general, see our guide to burgers and fast food with food restrictions.

1. Check the item pages first. Read the ingredient list and the "This menu item contains" line for each item, including sauces and dressings. They change.
2. Tell the team about your allergy or celiac disease at the start of your order, and ask what they can do. Ordering in person makes follow-up questions easier than ordering in an app.
3. Ask about fryers and grills. Chick-fil-A’s pages don’t say which foods share equipment, so ask at your restaurant.
4. If you use the gluten-free bun, keep it sealed and assemble the sandwich yourself, as Chick-fil-A suggests.
5. Order sauces on the side so you control how much you use.
6. Check your order when it arrives. If something looks wrong, ask for a remake.

FARE suggests choosing quieter times, talking to the manager and staff, and never leaving home without your epinephrine and other medications. It also notes that chains tend to use the same ingredients and preparation at each location, which can make them easier to plan around.

• "I have celiac disease. Could I have the gluten-free bun still sealed, please?"
• "Are the waffle fries cooked in a fryer that’s shared with anything breaded?"
• "I have a sesame allergy. Which bun options don’t contain sesame?"
• "Does this sauce have garlic or onion in it?"
• "Could you change your gloves for my order? I have a food allergy."

If an answer doesn’t feel certain, it’s fine to skip that item. Our guide to talking to restaurant staff about allergies has more scripts.