Food Safety 8 min

Hidden Gluten in Sauces & Condiments: 50+ Products Checked

Ketchup, mayo, BBQ sauce, salad dressing — most people never think to check condiments for gluten. Here are 50+ sauces ranked for celiac safety.

By Check Gluten Team · March 7, 2026

The Condiment Trap

You spent 20 minutes reading the label on your main dish. Then you squeezed on some sauce without a second thought. That sauce just glutened you.

Condiments and sauces are one of the top sources of accidental gluten exposure. Many contain wheat flour as a thickener, malt vinegar, soy sauce (which contains wheat), or barley-based ingredients.

Sauces: Safe vs. Unsafe

Soy Sauce — ⛔ CONTAINS GLUTEN

Traditional soy sauce is roughly 50% wheat. This is the #1 condiment mistake celiacs make.

Safe alternatives:

•[Tamari](https://www.amazon.com/s?k=San+J+tamari+gluten+free&tag=reda04b-20) (wheat-free soy sauce) — always verify "gluten-free" on label

•[Coconut aminos](https://www.amazon.com/s?k=coconut+aminos+gluten+free&tag=reda04b-20) — soy-free AND gluten-free

BBQ Sauce — ⚠️ CHECK EVERY BRAND

Many BBQ sauces use malt vinegar or wheat-based thickeners.

BrandGF Status

[Sweet Baby Ray's](https://www.amazon.com/s?k=Sweet+Baby+Rays+BBQ+sauce&tag=reda04b-20)✅ Most flavors GF

Stubb's✅ Certified GF

KC Masterpiece⚠️ Some contain malt

[Primal Kitchen](https://www.amazon.com/s?k=Primal+Kitchen+BBQ+sauce&tag=reda04b-20)✅ Certified GF, no sugar

Store brands⚠️ Check each one

Ketchup — ✅ USUALLY SAFE

Most ketchup is gluten-free. Heinz, Hunt's, and store brands are typically safe.

⚠️ Exception: Some specialty/artisan ketchups include malt vinegar.

Mustard — ✅ USUALLY SAFE

Plain yellow mustard (French's, Heinz) is GF. Watch out for:

•Beer mustard — contains barley

•Dijon mustard — some brands use wheat-based verjuice

Mayonnaise — ✅ USUALLY SAFE

Hellmann's, Duke's, and most major brands are GF. The base ingredients (eggs, oil, vinegar) are naturally GF.

Salad Dressings — ⚠️ HIGH RISK

This is where most people get caught.

Ingredient to WatchFound In

Malt vinegarRanch, Italian

Soy sauceAsian-style dressings

Wheat flourCreamy dressings (thickener)

Barley maltSome balsamic vinegars

Safe brands: Primal Kitchen, Tessemae's, Annie's (check label)

Worcestershire Sauce — ⚠️ CHECK

Lea & Perrins original contains malt vinegar (barley). Some people react, others don't. The gluten content is debated, but strict celiacs should avoid it.

Safe alternative: Wizard's Gluten-Free Worcestershire

Hot Sauce — ✅ ALMOST ALWAYS SAFE

Tabasco, Frank's RedHot, Cholula, and Sriracha are all GF. Hot sauce is usually just peppers, vinegar, and salt.

Teriyaki Sauce — ⛔ CONTAINS GLUTEN

Traditional teriyaki = soy sauce + sugar. Almost always contains wheat.

Safe alternative: San-J Gluten-Free Teriyaki

Gravy — ⛔ ALMOST ALWAYS CONTAINS GLUTEN

Traditional gravy uses wheat flour as a thickener. Make homemade with cornstarch or use Pacific Foods GF Gravy.

Pasta Sauce — ✅ USUALLY SAFE

Most tomato-based pasta sauces are GF (Rao's, Prego, Barilla). Check cream-based and pesto sauces.

The 10 Most Dangerous Condiments for Celiacs

🚫 Soy sauce (wheat)

🚫 Teriyaki sauce (soy sauce = wheat)

🚫 Hoisin sauce (wheat flour)

🚫 Gravy (wheat flour thickener)

⚠️ Malt vinegar (barley)

⚠️ Cream-based salad dressings (flour thickener)

⚠️ Beer mustard (barley)

⚠️ Worcestershire sauce (malt vinegar)

⚠️ Pre-made marinades (soy sauce)

⚠️ Some BBQ sauces (malt vinegar)

🔍 Want to check any product instantly?

Check Gluten scans ingredient labels with AI — no memorizing needed.

Try Free for 14 Days

How to Stay Safe

Don't memorize all this. Just scan every condiment with Check Gluten before using it. Our AI knows every hidden gluten ingredient across thousands of sauce and condiment brands — one scan takes 3 seconds.

Find Gluten-Free Food Safety on Amazon

Shop certified gluten-free options