Is Mustard Gluten Free?

Gluten verdict for Mustard: Check the Label

Check the Label Mustard

Many mustards are gluten free, but some contain wheat flour or malt.

AU FSANZ & Coeliac Australia US FDA

Rated against the stricter of the two standards. Compare AU and US rules

Mustard seed is gluten free, but prepared mustards vary. English mustard powder often contains wheat flour, and some mustards use malt vinegar. Most Dijon and American mustard is gluten free, but check the label.

Coeliac Disease

Check the label. Most Dijon and American mustards are gluten free; English mustard powder often is not.

Gluten Sensitivity (NCGS)

Same as coeliac guidance.

Why Does Mustard Sometimes Contain Gluten?

Mustard seed is gluten free, but prepared mustards vary. English mustard powder (such as Keen's) often contains wheat flour, and some mustards use malt vinegar.

Australia vs United States

Australia (FSANZ)

FSANZ requires wheat to be declared. Australian English mustard powders can contain wheat flour, so check.

United States (FDA)

The FDA permits a gluten free label below 20 ppm. Most US prepared mustard is gluten free, but check powders.

Nutrition Information

Nutrition Facts
Per 100g ยท Typical serve: 100 g (prepared, yellow)
Energy259 kJ / 62 kcal
Protein3.7g
Fat, total3.3g
Saturated fat0.2g
Carbohydrate5.8g
Sugars2.2g
Dietary fibre3.3g
Sodium1040mg

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.

Brand Comparison

Not all brands are created equal. Here is how popular mustard brands stack up for gluten content. Brand recipes change, so always confirm against the current label; the last verified date shows when we last checked.

BrandRegionGluten Free?CertificationNotesLast verified
Keens AU Check None Most mustard naturally GF; check 2026-04-27
French's US Yes None Yellow mustard typically gluten-free 2026-04-27
Colman's both Check None Powder mustard usually GF; check prepared 2026-04-27
Dijon mustard both Yes None Most Dijon varieties naturally GF 2026-04-27

What to Watch For

Wheat flour in mustard powders, and malt vinegar in some prepared mustards.

Gluten Free Alternatives

If you need a gluten free substitute, consider: Wasabi, horseradish, vinegar-based dips.

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 Mustard gluten free?

Mustard seed is gluten free, but prepared mustards vary. English mustard powder often contains wheat flour, and some mustards use malt vinegar. Most Dijon and American mustard is gluten free, but check the label.

Can coeliacs eat mustard?

Check the label. Most Dijon and American mustards are gluten free; English mustard powder often is not.

Related Foods in Sauces and Condiments

Not GF, not gluten free Soy SauceCheck the label TamariGF, gluten free Fish SauceCheck the label Oyster SauceCheck the label Hoisin SauceCheck the label Worcestershire SauceCheck the label Tomato Sauce/KetchupGF, gluten free Mayonnaise

More from RefDat

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

FSANZ, Coeliac Australia

Last reviewed: July 2026