Is Guinness Gluten Free?

Is Guinness Gluten Free?

Guinness original stout is not gluten-free, as it contains barley, which has gluten. Guinness 0.0, while alcohol-free, still contains gluten and is not suitable for people with coeliac disease or gluten intolerance. Currently, Guinness does not offer a certified gluten-free beer.

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Health Information
Benefits of Guinness

Rich in antioxidants: Guinness contains flavonoids, which are antioxidants that may help reduce the risk of heart disease.

Lower in calories: Compared to many other beers, Guinness is relatively low in calories.

High in folate: Guinness contains folate (Vitamin B9), which is important for DNA synthesis and cell division.

Source of fiber: The barley used in brewing Guinness provides some dietary fiber.

Potential cardiovascular benefits: Some studies suggest moderate beer consumption may help reduce the risk of blood clots and heart attacks.

Iron content: Guinness contains a small amount of iron, which is essential for blood production.

Prebiotic properties: The barley used in Guinness may promote the growth of beneficial gut bacteria.

Potential bone health benefits: Beer, including Guinness, contains silicon, which may contribute to bone density.

Stress reduction: Like other alcoholic beverages, Guinness may help reduce stress when consumed in moderation.Remember that these benefits are associated with moderate consumption, and excessive alcohol intake can lead to serious health problems. Always drink responsibly and consult with a healthcare professional about alcohol consumption.

Who should avoid Guinness

Pregnant women: Alcohol consumption during pregnancy can lead to various health risks for the developing fetus.

People with alcohol addiction or those in recovery: Guinness contains alcohol and could trigger a relapse.

Individuals with celiac disease or gluten sensitivity: Guinness contains barley, which contains gluten.

Those with sulfite allergies: Guinness contains sulfites, which can cause reactions in sensitive individuals.

People taking certain medications: Some medications interact negatively with alcohol, including Guinness.

Individuals with liver disease: Alcohol can further damage the liver in those with existing liver conditions.

Those with pancreatitis: Alcohol consumption can exacerbate this condition.

People with gout: Beer, including Guinness, can trigger gout flare-ups in some individuals.

Individuals trying to lose weight: Guinness is relatively high in calories compared to other alcoholic beverages.

Those with a history of alcohol-related health issues: This includes conditions like alcoholic hepatitis or cardiomyopathy.

Individuals under the legal drinking age: Consuming alcohol before the legal age is illegal and can have negative health impacts.Remember, it’s always best to consult with a healthcare professional for personalized advice regarding alcohol consumption.

Explore gluten management solutions like Tolerase® G.

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What is Tolerase® G?

A new Approach for People with Gluten Sensitivity:
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This specific enzyme, Tolerase® G, a patented endopeptidase specific for proline, was developed by  Royal DSM  and has been scientifically proven to be effective in breaking down gluten residues​ ( 1) ​. Furthermore, research has shown that Aspergillus niger prolyl endoprotease (AN-PEP), an enzyme closely related to Tolerase® G, can break down gluten so effectively that it barely reaches the duodenum, potentially eliminating gluten toxicity​ ( 2) ( ​​3 ) ​.

On this page we explain why we are so enthusiastic about this supplement, supported by scientific research.

What is Gluten?

Gluten is a group of proteins found primarily in grains such as wheat, barley, and rye. These complex proteins give shape, strength, and texture to bread and other grain products. However, gluten is difficult to digest because it is rich in proline, a non-essential amino acid. This is why about 13% of the world’s population is sensitive to gluten in their diet​ (1)​.

How Tolerase® G Works

It is important to note that Tolerase G is designed to have optimal activity in the difficult conditions of the stomach. Its effectiveness on the digestion of gluten in the stomach and duodenum has been scientifically proven ( 1 ).

Studies have shown that a newly identified prolyl endoprotease derived from Aspergillus niger can effectively break down gluten proteins. This enzyme works optimally at a pH of 4–5, remains stable at pH 2, and is completely resistant to digestion by pepsin ( 2 ). Furthermore, research has shown that Aspergillus niger prolyl endoprotease (AN-PEP) accelerates the breakdown of gluten in the stomach so much that very little gluten reaches the duodenum ( 3 ). This suggests that co-administration of AN-PEP with a meal containing gluten could potentially eliminate gluten toxicity, allowing people to (occasionally) abandon their strict gluten-free diet ( 3 ).

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At Little Helpers we are proud of our unique partnership with the producer of Tolerase® G  DSM . Together we have spent 2.5 years of research and worked tirelessly to develop and perfect our gluten digestion pill, which contains 100% Tolerase® G.

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Little Helpers Anti-Gluten Pills contain 100% Tolerase® G. Tolerase® G is the only enzyme on the market that has been scientifically proven to be effective enough to break down gluten in the stomach to the point where the body no longer reacts to it.

Gluten Free Alternatives
Green's Gluten-Free Dark Ale:A British-style dark ale brewed with millet, buckwheat, rice, and sorghum. It offers a rich, malty flavor with hints of coffee and chocolate, similar to Guinness.
Sprecher Shakparo Ale:An African-style gluten-free beer made from sorghum and millet. It has a light, crisp taste with subtle fruit notes and a slightly dry finish.
Ghostfish Brewing Watchstander Stout:A full-bodied, gluten-free stout brewed with roasted millet, rice, and buckwheat. It features flavors of coffee, dark chocolate, and a hint of smoke.
Glutenberg Stout:A Canadian gluten-free stout made from millet, buckwheat, corn, and cocoa. It offers a creamy texture with notes of roasted coffee, chocolate, and caramel.
Holidaily Brewing Riva Stout:An American gluten-free stout brewed with millet and rice. It provides a smooth, full-bodied taste with flavors of espresso, dark chocolate, and a subtle sweetness.These alternatives offer gluten-free options for those seeking a dark, rich beer experience similar to Guinness.

Frequently Asked Questions

How much gluten is in a Guinness beer?
Guinness beer traditionally contained a small amount of gluten from the barley used in brewing. The exact gluten content can vary, but estimates suggest it's around 20 parts per million (ppm). This is below the 20 ppm threshold that the FDA considers "gluten-free" for food labeling purposes. However, Guinness now also offers a completely gluten-free version of their beer for those with celiac disease or gluten sensitivity.
What beer is totally gluten-free?
Totally gluten-free beers are made from gluten-free grains like sorghum, rice, millet, or buckwheat, ensuring they contain no gluten. Popular brands like Omission and Bard's Beer produce gluten-free options specifically crafted for those with celiac disease or gluten intolerance. These beers undergo strict testing to guarantee they meet gluten-free standards.
Can celiacs drink stout?
Celiacs generally cannot safely drink traditional stouts. Most stouts contain barley, which has gluten and is not safe for people with celiac disease. However, there are some gluten-free stouts made with alternative grains that celiacs may be able to enjoy. Always check labels carefully and consult a doctor if unsure about a particular product.
Does Guinness have wheat and barley?
Yes, Guinness contains both wheat and barley. Barley is one of the main ingredients used in brewing Guinness stout. Wheat is also used in some Guinness variants. However, the classic Guinness Draught is primarily made with barley, water, hops, and yeast.

Our Expert

Drs. Ilse van Asperen

Is an Orthomolecular Therapist, Nutritional Coach & Professional Editor
Drs. Ilse van Asperen is a medical doctor specialising in orthomolecular therapy and nutritional coaching. With a background in public and clinical health research and management, she focuses on addressing the root causes of health issues through diet, gut health, and stress reduction. As a professional editor for Little Helpers, she reviews all gluten-free content to ensure accuracy, safety, and scientific credibility. More about me

Our Sources

The information on this page is based on reputable health and nutrition organisations, ensuring accuracy and reliability for anyone following a gluten-free diet. For further details, see the sources below.

Sources

  1. National Institutes of Health (NIH)

  2. Coeliac UK

  3. Harvard T.H. Chan School of Public Health

  4. Mayo Clinic

  5. World Health Organization (WHO)

  6. Celiac Disease Foundation

Experiences of our customers

Disclaimer: We do our best to provide accurate gluten information, but errors can happen. If you spot a mistake or have concerns, please contact us so we can make it right.