Alcohol · Damm (S.A. Damm, Barcelona)
Is Estrella Damm Daura gluten-free?
Estrella Damm is a barley lager, and Daura is the same barley beer with an enzyme added, not a gluten-free beer.
- Last checked
- 2026-08-23
- Varies by country
- Yes
Why
Damm is unusually open about how Daura is made. The company is not hiding anything. The disagreement is about what the process proves.
Estrella Damm first, because people conflate the two. Damm's own nutritional information lists Estrella Damm as "Water, Barley malt\*, Rice, Hops" with the footnote "\*Contains gluten." There is nothing to debate there. Estrella Damm is an ordinary barley lager and the brewer flags the gluten itself.
Daura starts from exactly the same place. Damm's Daura page says the beer is "made with the same main ingredient: barley malt." The ingredient list on Damm's nutritional page is water, barley malt, rice and hops, the same four things. Daura Märzen, the darker bottling, lists water, barley malt (18%), rice, maize and hops. No gluten-free grain has been substituted for anything.
What the enzyme does. Damm describes an "Enzymatic Hydrolysation Process": "During the manufacturing phase the chain of gluten is broken through a process of enzymatic hydrolysation and protein precipitation," which the company says produces "a final product that is suitable for coeliacs." Damm states that "each batch is analyzed and certified by the CSIC using the R5 Competitive ELISA test" and guarantees "less than 3ppm" gluten, referencing that "The Codex Alimentarius considers a product with less than 20 ppm suitable for coeliacs."
Here is the problem that most pages about Daura leave out. The R5 ELISA was developed and validated against intact gluten proteins. Enzymatic hydrolysis does not remove gluten from the beer, it cuts the gluten into smaller fragments, and those fragments are precisely what the assay is not validated to count. A low number from an assay that cannot see the thing you are worried about is not the reassurance it looks like.
The Celiac Disease Foundation states the position directly: "Currently available gluten testing methods are not sufficiently reliable/accurate when it comes to fermented and hydrolyzed products," and reports that in the research it cites, "some persons with celiac disease did have an immune response to the GR beer." That is the whole case in two sentences. The immune system is responding to something the test is not reporting.
US regulators reached the same conclusion and wrote it into label law. Under TTB Ruling 2020-2, a beverage fermented from a gluten-containing grain and then processed to remove gluten may not carry an unqualified "gluten-free" claim, because TTB considers it misleading in the absence of a scientifically validated method to verify it. What is permitted instead is wording such as "processed to remove gluten" alongside a qualifying statement. Omission, the best-known US gluten-reduced brewer, prints that statement in full on its own site: "Beer fermented from barley, a grain containing gluten, and crafted to reduce gluten. The gluten content of this beer cannot be verified, and this beer may contain gluten."
That is not a warning specific to Omission. It is the American regulator's description of what an enzyme-treated barley beer is, which is why Damm's own page calls Daura a "crafted to remove gluten beer."
Europe made a different call on the same evidence. Coeliac UK explains the UK and EU rule plainly: "There are two types of gluten free beer, naturally gluten free and gluten removed," and "For both types, by law, manufacturers can only label their beer gluten free if it contains 20 ppm or less of gluten." So a gluten-removed barley beer that tests under 20 ppm is legally gluten free in Spain and the UK. Coeliac UK also notes the allergen consequence: "A gluten removed beer made from barley must, by allergen labelling law, state on the label that it 'contains barley.'"
Neither regulator is lying. They have made different decisions about how much weight to put on an unvalidated assay. This site sides with the stricter reading, because the cost of being wrong falls entirely on the reader.
Where it varies
The beer in the bottle is the same everywhere. What changes is what the law lets the label say.
| Where you buy it | What the label is allowed to say | Our verdict |
|---|---|---|
| Spain and the EU | "Gluten free" / "sin gluten", permitted below 20 ppm | Gluten-removed barley beer, not gluten free |
| UK | "Gluten free" permitted below 20 ppm, and the label must also declare "contains barley" | Gluten-removed barley beer, not gluten free |
| US | "Crafted to remove gluten", with a qualifying statement. An unqualified gluten-free claim is not permitted | Gluten-removed barley beer, not gluten free |
How to use this in a shop. Turn the bottle over and read the allergen line. If it says the beer contains barley, you are holding a gluten-removed beer whatever the front of the label claims. A genuinely gluten-free beer has no barley to declare.
How much risk is this?
Celiac disease: we do not clear it. The beer is brewed from barley, the gluten has been fragmented rather than removed, the test used to measure the result is not validated for fragments, and a national celiac organisation reports that some people with celiac disease mounted an immune response to gluten-removed beer. Plenty of people with celiac disease drink Daura without noticeable symptoms, and in celiac disease the absence of symptoms is not evidence of the absence of damage. If you choose to drink it, choose it knowing that is what you are choosing.
Ordinary Estrella Damm: avoid outright. Barley malt, declared gluten, no treatment of any kind. There is no version of this that is a close call.
Non-celiac gluten sensitivity: this is the group Daura genuinely suits. If your reaction is dose-related rather than immune-mediated, a sub-3 ppm result, even from an imperfect assay, is a very different exposure from a standard pint. Many people in this group tolerate it fine.
Wheat allergy: no wheat is listed in either beer. Barley is a different grain, so this is a question for your allergist rather than this page.
Gluten-free by preference: Daura is a reasonable choice and tastes markedly more like lager than most alternatives, because it is lager.
What to have instead
If you want a crisp European lager and you want the barley question closed rather than argued:
- Dedicated gluten-free breweriesYesNo barley enters the building, so there is nothing to hydrolyse and nothing to measure. Ghostfish Brewing (Seattle, 100% gluten free, distributed across 25 US states) makes Meteor Shower Pale Lager, which is the closest thing in the category to what you want from a Daura. Holidaily Brewing (Golden, Colorado, also fully dedicated) makes Darty Lager and the Favorite Blonde.
- GlutenbergWidely distributed, brewed from naturally gluten-free grains, and the easiest dedicated gluten-free beer to actually find in a supermarket.
- Green'sBelgian-brewed from millet, buckwheat, rice and sorghum, with a wider style range than most gluten-free line-ups and good European availability.
- Hard ciderGluten-freeFermented apple juice, no grain at any stage, and usually the only safe draught option in a bar that has no gluten-free beer.
- Wine, and 100% agave tequila, rum or a cane-sugar hard seltzerAll outside the grain question entirely.
Do not treat these as equivalent: Peroni Nastro Azzurro Gluten Free and Omission are the same kind of product as Daura, enzyme-treated barley beer. Swapping Daura for one of those changes the label on the bottle and nothing else.
Related questions
Is regular Estrella Damm gluten-free? No, and this is the one to be careful about, because the bottles look alike and bars stock both. Damm's own ingredient list for Estrella Damm ends with the footnote "Contains gluten." Ask for Daura by name or read the label.
Is Daura certified gluten-free? It is analysed and certified by the CSIC, the Spanish National Research Council, using the R5 Competitive ELISA, and Damm guarantees below 3 ppm. That is a laboratory certification of a test result, not a gluten-free certification from a celiac certification body, and it is the test method itself that is disputed for beers made this way.
Why does Daura say "gluten free" in Spain and "crafted to remove gluten" in America? Because the two jurisdictions weigh the same evidence differently. The EU and UK allow a gluten-free label on any beer under 20 ppm, including gluten-removed ones. TTB does not permit an unqualified gluten-free claim on a beverage fermented from a gluten grain, because there is no validated way to verify the number.
Is Daura Märzen any different? No. Damm lists it as water, barley malt (18%), rice, maize and hops, and it goes through the same enzymatic treatment. Darker beer, same construction, same verdict.
What is the difference between gluten-free and gluten-removed, in one line? Gluten-free beer is brewed from grains that never contained gluten. Gluten-removed beer is brewed from barley and then treated to break the gluten up. Only the first kind has nothing left to measure.
How we checked
| Source | Tier |
|---|---|
| Damm, Daura product page, "made with the same main ingredient: barley malt"; "During the manufacturing phase the chain of gluten is broken through a process of enzymatic hydrolysation and protein precipitation"; "each batch is analyzed and certified by the CSIC using the R5 Competitive ELISA test"; "<3PPM"; described throughout as a "crafted to remove gluten beer" | A |
| Damm, nutritional information, Estrella Damm listed as "Water, Barley malt\*, Rice, Hops" with "\*Contains gluten"; Daura as water, barley malt, rice, hops | C |
| Celiac Disease Foundation, The Truth About Gluten-Free Beer, "currently available gluten testing methods are not sufficiently reliable/accurate when it comes to fermented and hydrolyzed products"; "some persons with celiac disease did have an immune response to the GR beer" | B |
| Coeliac UK, Alcohol, the two types of gluten free beer, the 20 ppm labelling law, and the requirement that a gluten removed barley beer states "contains barley" | B |
| TTB Ruling 2020-2, no unqualified gluten-free claim on a malt beverage fermented from gluten-containing grain; "processed to remove gluten" permitted with a qualifying statement | C |
| Omission, The Gluten Test, quoted as an example of the US qualifying statement required on enzyme-treated barley beer | C |
Overall source tier: A. Damm has published the process, the test method and the number. Everything on this page about how Daura is made comes from Damm. The verdict differs from Damm's marketing because the evidence about whether that test method can be trusted on a hydrolysed product comes from elsewhere, and points the other way.
Last verified: 23 August 2026. Producers reformulate and relabel without notice, and the same beer carries different claims in different countries. The allergen line on the bottle in your hand outranks this page.