Is Cornflour or cornstarch Gluten Free?

Gluten Free
Cornstarch is naturally gluten free.
Cornstarch (also called cornflour in Australia) is made from corn kernels. Corn contains no gluten. It is used in gluten free baking as a thickener.

Coeliac Disease

Cornstarch is a safe gluten free substitute.

Gluten Sensitivity (NCGS)

Same as coeliac guidance.

Why Does Cornflour or cornstarch Not Contain Gluten?

Corn is a gluten free grain.

Australia vs United States

Australia (FSANZ)

FSANZ treats cornstarch as gluten free. Australian brands are typically safe.

United States (FDA)

FDA treats cornstarch as gluten free. US brands are typically safe.

Nutrition Information

Nutrition Facts
Per 100g ยท Typical serve: 100 g
Energy1528 kJ / 365 kcal
Protein0.3g
Fat, total0.1g
Saturated fat0.0g
Carbohydrate91.3g
Sugars0.0g
Dietary fibre0.9g
Sodium9mg

Source: USDA FDC. Values are for the generic food in its standard form. Branded products may vary. Always check the product label for the most accurate nutrition information.

What to Watch For

No gluten risks. Some commercial brands may have cross-contamination warnings.

Gluten Free Alternatives

If you need a gluten free substitute, consider: Tapioca starch, potato starch, rice flour, almond flour, gluten free flour blend.

Medical disclaimer: This is general information about gluten content, not medical advice. If you have coeliac disease, non-coeliac gluten sensitivity, or a wheat allergy, always consult your doctor or accredited practising dietitian before making dietary changes. Product formulations change. Always read the label.

Frequently Asked Questions

Is Cornflour or cornstarch gluten free?

Cornstarch (also called cornflour in Australia) is made from corn kernels. Corn contains no gluten. It is used in gluten free baking as a thickener.

Can coeliacs eat cornflour or cornstarch?

Cornstarch is a safe gluten free substitute.

More from RefDat

Need to convert recipe measurements for gluten-free baking? RefDat cooking converters cover cups to grams, tablespoons to millilitres, and more. For oven adjustments see the temperature converter. Looking for kitchen gear that handles gluten-free cooking? See RefDat's Australian reviews of stand mixers for coeliac-friendly options.

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

FSANZ guidelines, Coeliac Australia

Last reviewed: May 2026