Prepared dishes · In-N-Out Burgers
Does In-N-Out have gluten-free buns?
In-N-Out has no gluten-free bun. The workaround is Protein Style, the burger wrapped in lettuce.
- Last checked
- 2026-08-10
- Varies by country
- No
Source in-n-out.com+3 more
Why
The bun is emphatically wheat, and In-N-Out publishes the whole list. Its ingredient statement reads: enriched wheat flour (wheat flour, malted barley flour, niacin, iron, thiamine mononitrate, riboflavin, folic acid), water, sugar, yeast, soybean oil, salt, vital wheat gluten, malted barley extract, cultured wheat starch, cultured wheat flour, citric acid, tricalcium phosphate, enzymes, ascorbic acid, sodium stearoyl lactylate, and sesame flour. That is wheat five different ways plus barley twice. It is not a bun anyone is going to reformulate.
In-N-Out's menu is short, and that works in your favour. The company's official allergen chart lists every menu item known to contain a common allergen. The complete list is: the buns, cheese, spread, milk, the chocolate, strawberry and vanilla shakes, half & half creamer, oat milk creamer, hot cocoa, and marshmallow bits. The chart carries an explicit note: "If a food/menu item is not listed on this chart, it is not known to contain any common allergens."
French fries are not on that chart. Their published ingredient statement is "Potatoes, Sunflower Oil (Dimethylpolysiloxane), Seasoning (Salt, Black Pepper, Canola Oil)." The beef patty is beef. This is a much cleaner starting point than most fast food.
And the fryer is the good news here, but read the next sentence carefully, because this part is our reasoning rather than In-N-Out's. In-N-Out sells burgers, fries, shakes and drinks. There is no battered fish, no breaded chicken, no onion rings, no fried pies, no wheat-coated item on the published menu at all. From that we conclude that nothing carrying gluten goes into the fry oil, so the shared-fryer problem that makes fries unsafe at most chains should not exist at In-N-Out in the same form. In-N-Out itself has never said this. It is an inference from the menu, it is the single most load-bearing claim on this page, and if the chain ever adds a breaded item it stops being true overnight. Treat it as a strong argument, not as a company assurance.
What In-N-Out will not promise. The allergen document says plainly: "We will make a reasonable effort to accommodate your allergy requests, but we cannot guarantee that your food will not be exposed to an allergen." The nutrition page adds: "Please be advised that our food is prepared in kitchen spaces where cross-contact with allergens may occur." Buns are toasted on the same grill area where burgers are assembled, and staff handle buns constantly. Flour dust and crumb transfer at the assembly counter is the residual risk, not the fryer.
How much risk is this?
Celiac disease: the bun is an absolute no. A Protein Style burger is a reasonable order at a chain with an unusually simple ingredient set, but it is prepared in a shared kitchen and In-N-Out does not certify anything. Flag it as an allergy when you order, order-takers have an allergy function that prints on the ticket, and diner reports describe crews changing gloves, cleaning the station and using dedicated utensils when it is used. Ask for the allergy flag on the fries too, not just the burger.
Non-celiac gluten sensitivity: Protein Style plus fries is a comfortable order for most people in this group.
Wheat allergy: same as celiac. The bun is out, everything else is clear by ingredient, and the kitchen is shared. Note the bun also contains sesame flour, and In-N-Out flags sesame specifically for buns in Colorado, Tennessee and Texas.
Preference only: Protein Style is on the menu by name; you don't have to explain anything.
What to have instead
At In-N-Out:
- Protein StyleDouble-Double, cheeseburger or hamburger wrapped in iceberg lettuce. In-N-Out uses several layers, so it holds together better than most lettuce wraps. Say "Protein Style" and they know exactly what you mean.
- Flying DutchmanTwo patties, two slices of cheese, no bun and no vegetables. Off-menu but universally known.
- French friesPer the ingredient statement above and the absence of any breaded item in the fryer.
- ShakesAre milk- and soy-flagged but not wheat-flagged; hot cocoa is on the allergen chart, so check it if that matters to you.
- Bring your own bunA gluten-free bun in a bag, handed over or added at the table, is a common workaround and In-N-Out staff are generally relaxed about it. is the single most effective thing you can say; it changes the ticket, not just the conversation. burger?"* Reported as routinely honoured. being careful, order without grilled onions. The tongs are the most-cited soft spot.
What to ask at the window: 1. "Can you add the allergy flag to the whole order, burger and fries?" This 2. "Can the crew change gloves and use a clean board for a Protein Style 3. "Are the grilled onions handled with the same tongs as the buns?" If you're 4. "Can I get it on a separate tray from the rest of my party's food?"* Chains that do stock a gluten-free bun if the bread is the point: Red Robin (gluten-free bun plus a reported dedicated gluten-free fryer, which you must request), Burger King in some markets, and most fast-casual burger chains with an allergen menu. Certified home buns (Udi's, Canyon Bakehouse, Schär, Franz), will beat all of them if you're bringing your own.
Related questions
What does "Protein Style" mean at In-N-Out? It's the burger with the bun replaced by iceberg lettuce leaves. It's a standard menu term, not a special request, and it costs the same. It is the entire gluten-free burger strategy at In-N-Out.
Are In-N-Out fries gluten-free? They contain no gluten ingredients (potatoes, sunflower oil and a salt/pepper seasoning), and fries do not appear on In-N-Out's allergen chart. In-N-Out also has no battered or breaded menu item, from which we conclude the fryer never sees wheat; the company does not say that anywhere, so it is our reading of the menu rather than a policy you can hold them to. The kitchen is still shared, and In-N-Out certifies nothing.
Is Animal Style gluten-free? Animal Style adds mustard-grilled patty, pickles, grilled onions and extra spread. Spread is flagged for egg on the allergen chart, not wheat. The practical concern is the grilled-onion tongs rather than the ingredients.
Is the In-N-Out spread gluten-free? It is not listed as containing wheat on In-N-Out's allergen chart, it's flagged for egg. Per the chart's own note, an allergen that isn't listed isn't a known ingredient.
Can I bring my own gluten-free bun? Plenty of people do, and it is the most reliable way to get a bun-shaped meal there. Order Protein Style, then assemble it yourself so the crew never handles your bun.
Does In-N-Out have a gluten-free menu? No. It publishes an allergen chart and full ingredient statements instead, which is arguably more useful. It does not designate any item gluten-free.
How we checked
| Source | Tier |
|---|---|
| In-N-Out Burger Allergen Information (official PDF, file dated 26 Feb 2026), buns listed; French fries not listed; chart states unlisted items contain no known common allergens | A |
| In-N-Out Nutrition Info, official bun and fry ingredient statements, ingredient lists, no gluten statement | C |
| In-N-Out menu composition, no battered or breaded item exists, therefore no wheat enters the fry oil. This is our inference from the published menu, not an In-N-Out statement | n/a |
| Find Me Gluten Free, In-N-Out diner reports | D |
| Tayler Silfverduk, celiac dietitian, In-N-Out gluten-free menu | D |
Overall source tier: A, for the verdict only. In-N-Out's own allergen chart lists the buns under wheat and its bun ingredient statement names vital wheat gluten, so the negative verdict is settled. Everything else is weaker: the fry evidence is an ingredient statement with no gluten claim plus our own inference that no breaded item enters the oil, and Protein Style comes from a shared kitchen the company will not guarantee. In-N-Out's allergen line is (800) 786-1000.
Last verified: 10 August 2026. Recipes, suppliers and regional variants change without notice, and In-N-Out's own documents state it cannot guarantee your food will not be exposed to an allergen. What the store tells you today outranks this page.