Sauces & condiments · Kraft Heinz (US and Canada) / Brand & Co, Premier Foods (UK)

Is A.1. steak sauce gluten-free?

Evidence

CPublished label or regulation

Last checked

2026-08-13

Varies by country

Yes

Source spoonfulapp.com+4 more

Why

Steak sauce is one of the categories where you genuinely have to read the bottle, because the two things that make a brown sauce brown, malt vinegar and caramel colour, sit on opposite sides of the gluten line. Caramel colour in the US is corn-derived and fine. Malt vinegar is made from barley and is not.

The US A.1. Original ingredient list is clean. The vinegar is listed as plain "vinegar" rather than malt vinegar, which in US labelling means distilled vinegar. The thickener is xanthan gum, not a starch of unstated source. The only declared allergen is celery, carried in the spice blend. There is no wheat, no barley malt, no soy sauce and no modified food starch.

Kraft Heinz's labelling policy is the strongest evidence here. Gluten Free Watchdog reports that Kraft Heinz declares all sources of gluten on its labels, along with celery, mustard, lupin, molluscs, sesame and sulphites. If that policy holds, the absence of a gluten source on the A.1. panel is an active statement rather than an omission. Note that this is a secondary report of the policy, not a Kraft Heinz document we can link to. Celiac.com reaches the same conclusion by exactly that reasoning: not labelled gluten-free, but very likely gluten-free and safe.

What is missing is a claim. There is no "gluten-free" text on the bottle, no GFCO seal, and we could not locate a published Kraft Heinz statement declaring A.1. gluten-free. Under FDA rules a manufacturer may only make that claim after verifying the product below 20 ppm; declining to make it is not evidence of gluten, but it does mean nobody has publicly committed to a number. A clean panel with no claim attached is why this page stops short of calling A.1. gluten-free.

The variants are separate products. Bold & Spicy, Cracked Peppercorn, Thick & Hearty, Sweet Mesquite and the rest have their own ingredient lists. Do not read the Original panel and assume it covers the bottle you actually bought.

Where it varies

This is the axis, and it is decidable in the shop. The two recipes are genuinely different products sharing a name. The US bottle leads with tomato purée and plain vinegar. The Canadian bottle leads with malt vinegar made from barley, which Canadian labelling requires to be declared as barley, and which it is. Historically the malt-vinegar recipe is the older one; the US version is the divergence, not the other way round.

So the rule is simple: read the first two ingredients. Tomato purée and vinegar means the US recipe. Malt vinegar means barley, and the answer is no whatever the front label says. This is the same pattern as Lea & Perrins Worcestershire sauce, where the US bottle is labelled gluten-free and the Canadian and UK bottles contain malt vinegar. Brown sauces cross borders badly.

How much risk is this?

Celiac disease: the practical risk on US A.1. Original is low, and most celiac resources treat it as usable. It is still an uncertified, unlabelled product, so if you are in the strict camp (recently diagnosed, still symptomatic, or recovering), a certified steak sauce is a cleaner choice for the sake of one condiment.

Non-celiac gluten sensitivity: no meaningful concern with the US Original.

Wheat allergy: no wheat ingredient is declared, and Kraft Heinz declares wheat as a major allergen when present.

Eating out: restaurant steak sauces are usually house-made or foodservice bulk products, not the retail bottle. A "steak sauce" in a pub or steakhouse is much more likely to contain Worcestershire or malt vinegar than the supermarket A.1. is. Ask.

What to have instead

If you want a labelled or certified bottle rather than an inference:

Related questions

Is A.1. sauce gluten-free? Same product, same answer, "A.1. sauce" and "A.1. steak sauce" are the same bottle. The US Original declares no gluten ingredients but carries no gluten-free label.

Is Heinz 57 sauce gluten-free? Different product with a different panel, despite the shared parent company. Read it separately; brown sauces in this category vary on vinegar type.

Is Worcestershire sauce gluten-free? Depends on the country. The US Lea & Perrins is labelled gluten-free; UK and Canadian versions have used malt vinegar. This one catches people constantly because it goes into marinades, Bloody Marys and Caesar dressing.

Is malt vinegar gluten-free? No. It is fermented from barley, and since 2021 Coeliac UK's position is that barley malt vinegar products should only be considered safe if they are certified gluten-free. Distilled/spirit vinegar is a different thing and is fine.

Is caramel colour a gluten risk? Not in the US, where it is made from corn. In theory it can be barley-derived elsewhere, but in practice it is a very low-priority worry compared with malt vinegar.

Can I trust "spices" on the label? On a Kraft Heinz product, largely yes, the company's stated policy is to declare gluten sources in plain language. On smaller brands, an undeclared spice blend is worth a phone call.

How we checked

Overall source tier: C. The verdict rests on published ingredient panels, the US one and the Canadian one. It does not rest on a manufacturer gluten-free claim, on a test result we can see, or on any celiac organisation: no national celiac organisation (Beyond Celiac, the Celiac Disease Foundation or Coeliac UK), has ruled on A.1. Celiac.com and Gluten Free Watchdog's public listing are secondary sources here, and Kraft Heinz's gluten-declaration policy reaches us second-hand rather than from Kraft Heinz. A published panel is enough to say "no gluten ingredients." It is not enough to say "gluten-free," and we are not going to write the second when we only have the first.

Last verified: 13 August 2026. A.1. is formulated and owned differently in different countries and the flavour variants differ from the Original. The bottle in your hand outranks this page.