Twix bars are not gluten-free — the shortbread cookie base is made of enriched wheat flour, and Mars’s allergen label declares “Contains: Wheat.”
No. The signature Twix cookie base is enriched wheat flour — wheat is a deliberate structural ingredient. Mars’s allergen declaration is “Contains: Milk, Soy, Wheat.” Every Twix variant (Caramel, Peanut Butter, White, Java, Salted Caramel, seasonal limited editions) uses the same wheat cookie base. Mars does not produce a gluten-free Twix in any market.
Twix is one of those bars that gets mentally grouped with the rest of the Mars chocolate lineup — Snickers, M&Ms, Milky Way — many of which are commonly treated as gluten-free or near-gluten-free. Twix is the exception. The shortbread cookie is the defining structural element of the bar, and it’s made of wheat flour. Mars labels every Twix package “Contains: Wheat.”
What’s in a Twix
Per Mars’s product page, Twix Caramel ingredient list is: “Milk chocolate (sugar, cocoa butter, skim milk, chocolate, lactose, milkfat, soy lecithin, artificial flavor), enriched wheat flour (wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), sugar, palm oil, corn syrup, skim milk, dextrose, salt, cocoa powder processed with alkali, baking soda, soy lecithin, artificial flavor.”
Enriched wheat flour is the second ingredient by weight after milk chocolate. Per the FDA’s gluten-free labeling rule, wheat is one of the gluten-containing grains. The cookie isn’t an optional component of Twix — it’s the structural base. There is no realistic version of standard Twix without it.
All Twix Variants Share the Wheat Cookie
- Twix Caramel (standard) — wheat shortbread cookie + caramel + chocolate
- Twix Peanut Butter — wheat cookie + peanut butter filling + chocolate
- Twix White — wheat cookie + caramel + white chocolate
- Twix Java — wheat cookie, coffee-flavored variant
- Twix Salted Caramel — wheat cookie base
- Twix Cookies & Creme — wheat cookie base
- Seasonal limited-edition Twix flavors — all share the wheat cookie base
No gluten-free Twix variant has ever been produced by Mars in any market. The cookie is the product.
Cross-Contamination Risk (For Other People in the Household)
Manufacturing
N/A — Contains Wheat by Formulation
- Enriched wheat flour is a deliberate, structural ingredient.
- “Contains: Milk, Soy, Wheat” is Mars’s official allergen declaration.
- No variant or seasonal Twix is gluten-free.
Halloween / Shared Candy
High
- Twix is a top trick-or-treat candy — celiac kids accumulate them in shared candy bowls.
- Cookie crumbs migrate easily; adjacent gluten-free candies pick up wheat dust.
- For a celiac household at Halloween, sort Twix out before the bowl gets mixed.
Home
Medium
- Store separately from gluten-free chocolates and candies.
- Cookie crumbs settle on shared surfaces — wipe down between uses.
Gluten-Free Twix Alternatives
There’s no commercial gluten-free Twix from Mars or any major candy company. The closest options:
- Homemade gluten-free Twix recipes — Use a gluten-free flour blend for the shortbread base; the caramel and chocolate are the same. Many recipes are available online.
- Schar Chocolate Wafer Bars — GFCO-certified, chocolate-and-wafer format.
- Vermont Nut Free Crispy Bars — GF and allergen-friendly.
- Snickers — generally treated as gluten-free (no wheat in the standard Snickers recipe); not a cookie bar, but a Mars chocolate alternative.
- 3 Musketeers — Mars product, generally gluten-free; nougat-based rather than cookie-based.
What to Look For — Or Avoid
- Any Twix variant — all contain wheat flour in the cookie base
- “Contains: Wheat” allergen callout on all Twix packaging
- Seasonal or limited-edition Twix flavors — all share the wheat cookie base
- For a GF chocolate-caramel-cookie experience: homemade GF Twix recipes, Schar Chocolate Wafers, or Vermont Nut Free crispy bars
- Among Mars products: Snickers and 3 Musketeers are generally GF alternatives without the cookie base
Frequently Asked Questions
Are Twix bars gluten-free?
No. The shortbread cookie base of Twix is made of enriched wheat flour, and Mars’s allergen declaration is “Contains: Milk, Soy, Wheat.” Wheat is a deliberate, structural ingredient — the cookie is the defining element of the bar. Twix is not gluten-free and not safe for anyone with celiac disease or non-celiac gluten sensitivity.
Is there a gluten-free Twix?
No. Mars does not produce a gluten-free Twix in any market. The wheat cookie is the structural base of the bar — reformulating it as gluten-free would be a different product entirely. Homemade gluten-free Twix recipes (using GF flour blends) are common, but Mars has not released a commercial GF variant.
Is Twix Peanut Butter gluten-free?
No. Twix Peanut Butter uses the same wheat shortbread cookie base as Twix Caramel, just with peanut butter filling instead of caramel. The cookie is wheat-based, so the bar contains gluten.
Are any Mars chocolate bars gluten-free?
Yes — but not Twix. Snickers and 3 Musketeers are generally treated as gluten-free by Mars in standard formulations (nougat or chocolate-and-caramel bases without wheat). Mars products vary by variant — always read the specific bag, since seasonal flavors and limited editions can have different formulations.
What’s a gluten-free alternative to Twix?
For a commercial chocolate-cookie-bar experience, Schar Chocolate Wafer Bars (GFCO-certified) and Vermont Nut Free Crispy Bars are the closest matches. For chocolate-caramel without the cookie, Snickers (generally GF in standard formulation) is the closest Mars alternative. Homemade gluten-free Twix recipes are widely available online and produce a similar taste with a GF flour blend.
Will Mars ever make a gluten-free Twix?
No public announcement of a gluten-free Twix has been made by Mars. The shortbread cookie is the defining element of the product. Reformulating the cookie with a gluten-free flour blend would change the texture significantly. Mars has historically taken a “make gluten-free items separately when possible, label clearly when not” approach rather than reformulate iconic products.