Is Miso Paste Gluten Free?

Check the Label
Often gluten-free but barley varieties exist.
Most miso is made from fermented soybeans with no gluten. However, some varieties (especially barley miso) contain gluten. Check label carefully.

Coeliac Disease

Check label. Red and white miso are usually GF. Avoid barley miso.

Gluten Sensitivity (NCGS)

Most miso is GF except barley varieties. Verify brand.

Why Does Miso Paste Sometimes Contain Gluten?

Miso is fermented soybeans, koji, and salt. Most varieties are GF. Barley miso and some specialty varieties contain gluten.

Australia vs United States

Australia (FSANZ)

FSANZ: soybean miso usually GF. Barley miso to avoid.

United States (FDA)

FDA: soybean miso usually GF.

Nutrition Information

Nutrition Facts
Per 100g ยท Typical serve: 100 g
Energy812 kJ / 194 kcal
Protein11.7g
Fat, total6.0g
Saturated fat1.1g
Carbohydrate26.5g
Sugars6.2g
Dietary fibre5.4g
Sodium3730mg

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

cross-contamination during fermentation

Gluten Free Alternatives

If you need a gluten free substitute, consider: Chickpea miso, lentil miso, white miso (soybean), gluten-free miso brands, Barley miso contains gluten.

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 Miso Paste gluten free?

Most miso is made from fermented soybeans with no gluten. However, some varieties (especially barley miso) contain gluten. Check label carefully.

Can coeliacs eat miso paste?

Check label. Red and white miso are usually GF. Avoid barley miso.

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, WHO

Last reviewed: May 2026