Is Oat milk Gluten Free?

Check the Label
Oat milk contains gluten unless certified gluten free.
Oat milk is made from oats and water. Oats naturally contain gluten or are at high risk for gluten cross-contamination unless they are specifically certified gluten free. Most commercial oat milk is made from non-certified oats.

Coeliac Disease

Avoid most oat milk. Buy certified gluten free oat milk if available.

Gluten Sensitivity (NCGS)

Same as coeliac guidance. Most oat milk is not safe.

Why Does Oat milk Sometimes Contain Gluten?

Oats can contain gluten due to cross-contamination with wheat during growing and processing. Certified GF oats exist but are less common.

Australia vs United States

Australia (FSANZ)

FSANZ requires GF labelling for GF claims. Most Australian oat milk is not labelled GF.

United States (FDA)

FDA labelling. US oat milk varies; some brands offer GF certified options.

Nutrition Information

Nutrition Facts
Per 100 mL ยท Typical serve: 100 mL
Energy197 kJ / 47 kcal
Protein1.0g
Fat, total1.5g
Saturated fat0.2g
Carbohydrate7.0g
Sugars4.0g
Dietary fibre0.8g
Sodium46mg

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 oat milk brands stack up for gluten content.

BrandRegionGluten Free?CertificationNotes
Oatly both Check None Certified GF; check regional variants
Alpro both Yes None Gluten-free certified oat milk
So Good AU Yes None Australian oat milk brand GF
Pacific Foods US Yes None Natural oat beverage option

What to Watch For

Oats (unless certified GF). Cross-contamination risk is high.

Gluten Free Alternatives

If you need a gluten free substitute, consider: Almond milk, soy milk, rice milk, coconut milk, cow's milk.

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 Oat milk gluten free?

Oat milk is made from oats and water. Oats naturally contain gluten or are at high risk for gluten cross-contamination unless they are specifically certified gluten free. Most commercial oat milk is made from non-certified oats.

Can coeliacs eat oat milk?

Avoid most oat milk. Buy certified gluten free oat milk if available.

Related Foods in Drinks

Water Coffee (plain) Tea (plain) Herbal tea Soft drinks or soda Fruit juice Coconut water Energy drinks

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 allergen labelling, Coeliac Australia

Last reviewed: May 2026