Is Kit Kat Gluten Free?
Gluten verdict for Kit Kat: Not Gluten Free
Kit Kat contains a wheat wafer and is not gluten free.
Rated against the stricter of the two standards. Compare AU and US rules
The crisp wafer inside a Kit Kat is made from wheat flour, so it contains gluten.
Coeliac Disease
Avoid Kit Kat. The wafer is wheat.
Gluten Sensitivity (NCGS)
Same as coeliac guidance.
Why Does Kit Kat Contain Gluten?
Wheat flour in the wafer contains gluten.
Australia vs United States
Australia (FSANZ)
FSANZ requires wheat to be declared. Kit Kat is not gluten free.
United States (FDA)
US Kit Kat also has a wheat wafer and is not gluten free.
What to Watch For
Wheat in the ingredient list.
Gluten Free Alternatives
If you need a gluten free substitute, consider: Plain chocolate with no warning, gluten free wafer chocolate bars.
Frequently Asked Questions
Is Kit Kat gluten free?
The crisp wafer inside a Kit Kat is made from wheat flour, so it contains gluten.
Can coeliacs eat kit kat?
Avoid Kit Kat. The wafer is wheat.
Related Foods in Snacks and Sweets
More from RefDat
Looking for kitchen gear that handles gluten-free cooking? See RefDat's Australian reviews of air fryers for coeliac-friendly options. Explore more reference data at refdat.com.
How We Verify This
Every food in our database is reviewed against current FSANZ and FDA gluten-free standards. Brand data is verified against manufacturer labelling. We cross-reference with Coeliac Australia ingredient lists and the USDA FoodData Central database. When Australian and US standards differ, we apply the stricter standard.
Sources
Coeliac Australia, FSANZ, manufacturer allergen statement
Last reviewed: July 2026