20 foods you think are gluten-free but aren’t (2024)

Approximately one in every 100 people in the UK have coeliac disease, and a whole lot more are choosing to remove gluten from their diets for perceived health benefits. Gluten dodgers know to avoid wheat and keep an eye on grains, but did you know everything from your cereal to your sausages might be hiding some problematic protein? Coeliac UK shines the spotlight on the foods you may not realise contain gluten...

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1. Sausages

While there are plenty of gluten-free versions available, your regular sausages often contain rusk made from wheat. Indulge worry-free with our delicious sausages gluten free roll and packed with flavour.

2. Soy sauce

Chinese soy sauce traditionally contains wheat. Try substituting for Japanese tamari soy sauce, which is usually gluten-free (though always check the label).

3. Stock cubes

Some brands of stock cubes contain wheat – check the label or make your own stock at home to be sure it's free from gluten.

4. Buckwheat flour

Buckwheat is naturally gluten-free. However, because of growing conditions and processing it can often become contaminated with other grains, such as wheat. Choose a brand labelled gluten-free to be sure it's suitable for you to eat. Discover our how to cook buckwheat guide.

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5. Dry roasted nuts

Plain nuts don’t contain any gluten, but dry roasted nuts often contain wheat flour in the coating so check the label or opt for plain or salted nuts.

6. Spelt

It is a common myth that spelt doesn’t contain gluten, or contains less gluten than other wheat varieties. Spelt is an ancient strain of wheat and contains gluten levels similar to modern day wheat.

7. Couscous

Often used as an alternative for rice, couscous is made from granules of durum wheat, so it is not gluten-free. Quinoa on the other hand is gluten-free and can be used in salads, soups or even to make porridge.

8. Chocolate

Chocolate doesn’t usually contain any gluten in its ingredients, but due to manufacturing methods some varieties have a risk of contamination as other products (like chocolate coated biscuits) are sometimes produced on the same line. Check the label and look out for ‘may contain’ statements.

9. Taramasalata

This delicious dip is made up of a breadcrumb base, so it is not gluten-free. Other dips like salsa and hummus are often made from gluten-free ingredients, but check the label to make sure.

10. Corn flakes

Although the main ingredient in corn flakes is corn (a naturally gluten-free grain) many brands also contain barley malt extract, which is used as a flavouring. Some corn flakes will only have a small amount at a safe level for those on a gluten-free diet. However, some contain higher levels meaning they are not suitable. Coeliac UK provides more information on the suitability of products like this.

20 foods you think are gluten-free but aren’t (3)

11. Some soft, spreadable cheeses

Most cheese is gluten-free, but some spreadable cheese including low-calorie or ‘light’ products may contain wheat starch or modified food starch. Get into the habit of checking labels for all processed or packaged cheese products.

12. Chips

Oven, microwave and frozen chips may contain wheat, either as a seasoning or to help create a crisp outer coating.

13. Suet

Packaged suet may be coated in flour to extend its shelf life.

14. Liquorice sweets

Both black and red liquorice sweets may contain wheat flour to help bind the ingredients together.

20 foods you think are gluten-free but aren’t (4)

15. Flavoured rice cakes

Although rice is gluten-free, the flavourings added to make rice cakes more appealing may contain gluten. Always read labels to check the product you choose is a gluten-free one

16. Ice cream cones

Whether your preference is a wafer or a waffle cone, it is likely they will contain wheat.

17. Baking powder

Starch is typically added to baking powder as an anti-caking agent, so it stops the powder absorbing moisture and clumping together. A lot of products use corn or rice starch but some may use wheat – so check labels before purchase and look out for products labelled “gluten-free”.

20 foods you think are gluten-free but aren’t (5)

18. Flavoured popcorn

Popcorn makes a useful gluten-free snack, but check labels of any flavoured varieties to ensure they don’t include gluten-containing ingredients.

19. Mustard

Although most mustards are free of gluten, some, including English mustard, aren’t. Check labels because wheat flour may be added as a thickener or bulking agent.

20. Curry powder

It’s worth checking the labels of all spice mixes, including curry powder. This is because manufacturers sometimes add wheat flour to prevent the spices caking together during storage.

How to read labels...

There are regulations in place to ensure only foods that are truly gluten-free can use the label on their packaging. All packaged foods in the UK and the EU are covered by labelling laws, which include rules around the allergen information that has to be provided on the label. For example, gluten-containing cereals are one of the 14 listed allergens that must be listed and emphasised in the ingredients list. Therefore, if a cereal contains wheat, rye or barley for example, it must be listed in the ingredients list, no matter how little of it is used. You can read more about labelling laws at Coeliac UK.

More information...

Still concerned about gluten? Good Food is here to help:

Find out exactly what gluten is in our glossary.
Read Coeliac UK's top 10 tips for a gluten-free diet.
Stay healthy with our spotlight on gluten-free.

Try our gluten-free recipes:

Gluten-free cakes
Gluten-free breakfast
Gluten-free lunch
Gluten-free dinner
Gluten-free snacks

Find out more about coeliac disease at Coeliac UK.

Kerry Torrens is a qualified nutritionist (MBANT) with a post graduate diploma in Personalised Nutrition & Nutritional Therapy. She is a member of the British Association for Applied Nutrition and Nutritional Therapy (BANT) and a member of the Guild of Food Writers. Over the last 15 years she has been a contributing author to a number of nutritional and cookery publications including Good Food. Follow Kerry on Instagram at @kerry_torrens_nutrition_

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All health content on goodfood.com is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or any other health care professional. If you have any concerns about your general health, you should contact your local health care provider. See our website terms and conditions for more information.

20 foods you think are gluten-free but aren’t (2024)

FAQs

What common foods aren't gluten-free? ›

If you have coeliac disease, do not eat the following foods, unless they're labelled as gluten-free versions:
  • bread.
  • pasta.
  • cereals.
  • biscuits or crackers.
  • cakes and pastries.
  • pies.
  • gravies and sauces.

What foods are surprisingly gluten-free? ›

Treats that are surprisingly gluten-free
  • Plain tortilla or potato chips: Keep in mind that seasoned chips may contain wheat starch.
  • Plain chocolate: Read ingredients as some chocolate bars contain wheat-based wafers.
  • Ice cream: Vanilla, chocolate and strawberry are safe bets. ...
  • French fries: Potatoes are gluten free.
Apr 13, 2023

What are 10 gluten free foods? ›

Grains, starches or flours that can be part of a gluten-free diet include:
  • Amaranth.
  • Arrowroot.
  • Buckwheat.
  • Corn — cornmeal, grits and polenta labeled gluten-free.
  • Flax.
  • Gluten-free flours — rice, soy, corn, potato and bean flours.
  • Hominy (corn)
  • Millet.

What are the worst foods for gluten? ›

In general, avoid the following foods if you have celiac disease: Cereals, breads, or other grain products that include wheat, rye, barley, or oats. This includes white or whole-wheat flour (including cookies, crackers, cakes, and most other baked goods), semolina, couscous, bread crumbs, most pastas, and malt.

Do potatoes have gluten? ›

The simple answer is yes — potatoes are gluten-free. Gluten is a type of protein found in wheat, rye, barley, and other grains. Potatoes aren't grains, they're a type of starchy vegetable. That's good news for people who can't tolerate gluten because they have celiac disease or gluten intolerance.

What can you eat on a no gluten diet? ›

What to Eat
  • Fruits and vegetables.
  • Meat and poultry.
  • Eggs.
  • Dairy (milk, cheese, butter)
  • Some whole grains (quinoa, sorghum, buckwheat, amaranth, teff, corn, brown rice)
  • Gluten-free pasta and bread.

What junk food is gluten-free? ›

These six indulgent standards might not seem like they'd be gluten-free, but surprisingly enough, they're viable snack-time options.
  • Potato chips. Crunch on these freely. ...
  • Chocolate. Feel free to enjoy chocolate. ...
  • Macaroni and cheese. Don't be afraid to get cheesy. ...
  • French fries. You can still enjoy these. ...
  • Tacos. ...
  • Ice cream.
Jan 5, 2018

What are good snacks without gluten? ›

Don't forget that some naturally nutritious gluten-free snacks include fruits, vegetables, nuts and nut butters, yogurt, cottage cheese, popcorn, hardboiled eggs, hummus and guacamole.

What sneaky things have gluten? ›

Here are some foods likely to contain gluten:
  • Beer, ale and lagers.
  • Bouillon cubes.
  • Brown rice syrup.
  • Candy.
  • Chips.
  • Communion wafers.
  • Couscous.
  • Deli meats.
Aug 7, 2020

What food is highest in gluten? ›

Grains and ingredients that should be avoided include wheat, rye, barley, brewer's yeast, malt, triticale (a combo of rye and wheat), and oats not labeled "gluten-free." Foods made from wheat have high amounts of gluten.

Does peanut butter have gluten? ›

It's important to know that peanuts, peanut butter, peanut flour and peanut oil are considered naturally gluten-free foods.

What's the best gluten-free food to eat? ›

Gluten-Free Foods
  • Fruits.
  • Vegetables.
  • Meat and poultry.
  • Fish and seafood.
  • Dairy.
  • Beans, legumes, and nuts.

What are the first signs of being gluten intolerant? ›

Here are some of the symptoms of gluten sensitivity:
  • "Brain fog." This is the most common characteristic of gluten sensitivity. ...
  • Headaches or migraines. ...
  • Dizziness.
  • Acne or rashes. ...
  • Joint pain or numbness. ...
  • Diarrhea, gas or constipation.
  • Distended stomach or bloating.
Apr 12, 2016

What happens when you stop eating gluten? ›

Some people report feeling dizziness, nausea, extreme hunger and even anxiety and depression when they suddenly go from eating a lot of gluten to being gluten-free. These symptoms usually go away after a few weeks on a gluten-free diet, but talk to your health care provider if they persist.

Are potato chips gluten-free? ›

Unless they have gluten-containing additives, most corn chips, corn tortilla chips, potato chips, and veggie chips typically gluten-free since their main ingredients don't have gluten.

Are French fries gluten-free? ›

In short, the ingredients for French fries (potatoes, oil, salt) are naturally gluten-free. But many fast food restaurants cook their French fries in oil that is cross-contaminated with foods that contain gluten, meaning their French fries cannot be considered gluten-free.

Does cheese have gluten? ›

While most cheeses by themselves do not contain gluten, foods that contain cheese as one ingredient may not be gluten-free, so you should always read the label. Cheesecake is not gluten-free (unless specified on the label) because the crust is made with wheat flour.

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