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Nutrition Diet: Which candy bars are not gluten-free?

5 min read

Approximately 1% of the global population has celiac disease, making it vital to know which candy bars are not gluten-free to avoid severe health issues. Understanding the hidden ingredients is key for safe consumption and making informed choices about your nutrition diet.

Quick Summary

A list of common candy bars containing gluten, such as Kit Kat, Twix, and Milky Way, due to ingredients like wheat flour and barley malt. It's essential to check labels for hidden gluten.

Key Points

  • Wafer and Cookie Fillings: Many bars with wafers or cookies, like Kit Kat and Twix, are not gluten-free due to wheat flour.

  • Barley Malt: Ingredients like barley malt, found in bars with crispy rice or malted nougat (e.g., Original Milky Way), contain gluten.

  • Hidden Gluten: Ingredients like modified food starch or caramel color can sometimes hide gluten; seasonal items and different varieties often vary in their gluten status.

  • Cross-Contamination: Even if ingredients appear gluten-free, cross-contamination risk from shared equipment can make a product unsafe for those with celiac disease.

  • Read Labels: Always check the most current product label for definitive information, as manufacturers can change recipes at any time.

  • Seasonal Caution: Be extra cautious with seasonal items, such as shaped Reese's Peanut Butter Cups, which may have higher cross-contamination risks than their standard counterparts.

In This Article

Decoding Gluten in Confections

For anyone following a gluten-free diet, navigating the candy aisle can be a challenge. While some chocolate bars are naturally gluten-free, many popular options contain hidden sources of gluten that can cause serious health problems for individuals with celiac disease or gluten sensitivity. Gluten, a protein found in wheat, barley, and rye, can show up in candy bars as an ingredient itself or via cross-contamination in the manufacturing process. Knowing which ingredients to watch for and being aware of specific brands can help you indulge safely.

The Culprits: Common Gluten-Containing Ingredients

The most common sources of gluten in candy bars are often the textured fillings and inclusions. Here are some of the key ingredients to watch for:

  • Wheat Flour: The most obvious source, wheat flour, is used to make wafers, cookies, and other crunchy components inside a candy bar. Candies like Kit Kat and Twix rely on this ingredient for their signature texture.
  • Barley Malt: A sweetener and flavoring derived from barley, barley malt is a frequent offender in crispy or malted candies. You'll find this ingredient in items like Whoppers, Original Milky Way bars, and Crunch bars.
  • Crispy Rice: While rice is naturally gluten-free, crisped rice can be made using a gluten-containing barley malt extract. Products like 100 Grand bars contain barley malt for this reason.
  • Modified Food Starch: In some cases, modified food starch can be derived from wheat. Manufacturers will typically list the source if it is a major allergen, but it’s still wise to be cautious or confirm with the manufacturer if there's any ambiguity.

Which Candy Bars Are Not Gluten-Free? A Detailed List

Many household-name candy bars are not safe for a gluten-free diet. This list, based on ingredient information from manufacturers, includes some of the most common candy bars to avoid:

  • Kit Kat: Famous for its wafer layers, the Kit Kat bar is made with wheat flour and is not gluten-free.
  • Twix: The crunchy cookie base of a Twix bar is made with wheat flour, making it off-limits for those avoiding gluten.
  • Original Milky Way: The nougat in the original Milky Way contains barley malt, a gluten-containing ingredient. Note that the 'Midnight' version is considered safe by some, but vigilance is still key.
  • Crunch Bar: This bar's crisped rice contains barley malt extract, and there is a high risk of cross-contamination.
  • 100 Grand Bar: Similar to the Crunch bar, the 100 Grand bar contains barley malt and may also contain wheat.
  • Whoppers: These malted milk balls are made with barley malt and are not gluten-free.
  • Take 5: This bar, featuring pretzels, contains wheat and is not gluten-free.
  • Pretzel M&Ms: The name explicitly indicates the presence of wheat pretzels, making these unsafe.
  • Crispy M&Ms: These contain barley malt and should be avoided.
  • Butterfinger Crisp or Giant: While the original Butterfinger is often considered safe, the Crisp and Giant versions contain barley malt or may contain wheat and are therefore not gluten-free.
  • Hershey's Cookies and Cream Bars: The cookie pieces in this bar contain wheat flour.
  • Ferrero Rocher: These confections contain wheat flour in the crispy wafer shell.
  • Kinder Bueno: The wafer filling contains wheat flour.
  • Certain Seasonal Items: It is critical to note that even typically gluten-free products can become a risk during seasonal production. Seasonal shaped items, such as Reese's Peanut Butter Cups, have a high risk of cross-contamination and should be avoided by individuals with celiac disease.

The Threat of Cross-Contamination

Sometimes, a candy bar's ingredients might not explicitly list gluten, but the product is still unsafe. This is due to the risk of cross-contamination, which occurs when a gluten-free product is processed on the same equipment or in the same facility as gluten-containing products. For individuals with celiac disease, even tiny trace amounts of gluten can trigger a severe autoimmune reaction. This is why official sources like the Celiac Disease Foundation and Beyond Celiac emphasize checking for specific 'gluten-free' labeling rather than relying on an ingredients list alone. Reputable manufacturers often provide allergen statements or certified gluten-free seals on their packaging to guarantee safety.

Comparison: Gluten-Containing vs. Alternatives

Candy Bar (Not Gluten-Free) Reason for Gluten Similar Gluten-Free Alternative (Confirm Label)
Kit Kat Wheat-based wafer Hershey's Milk Chocolate Bar (1.55 oz version is GF), or other pure chocolate bars
Twix Wheat-based cookie base Payday (features peanuts and caramel, no cookie)
Original Milky Way Barley malt in nougat Milky Way Midnight (contains no barley malt)
Crunch Bar Barley malt in crisped rice Scharffen Berger Chocolate (some products are GF)
Whoppers Barley malt in malted milk Enjoy Life Chocolate Minis (certified GF)
Pretzel M&Ms Wheat-based pretzels Plain or Peanut M&Ms (check for 'no gluten' status as per region)

How to Stay Safe: Reading Labels and Verification

Being a proactive label reader is your best defense against hidden gluten. Here are some key tips:

  1. Read Every Time: Manufacturers can change their recipes or manufacturing processes at any time without much notice. A product that was once gluten-free may not be anymore.
  2. Look for 'Certified Gluten-Free': The safest bet is to look for a certified gluten-free seal from a trusted organization like the Celiac Disease Foundation. This ensures the product has been tested to meet a strict standard of less than 20 parts per million (ppm) of gluten.
  3. Check for 'Contains' Allergens: The ingredients list will often have a bolded statement indicating if the product contains wheat.
  4. Know the Hidden Names: Be aware of less obvious gluten-containing terms like barley malt, brewer's yeast, and durum flour.
  5. Use Reliable Resources: Consult up-to-date resources from celiac organizations for lists and information. The Celiac Disease Foundation provides excellent guidance on gluten-free living.

Conclusion: Navigating Candy Safely

Identifying which candy bars are not gluten-free is essential for maintaining a safe and healthy diet, especially for those with celiac disease. By recognizing the key gluten-containing ingredients like wheat flour and barley malt, and understanding the risk of cross-contamination, you can make smarter choices. While many popular brands are off-limits, there are numerous safe alternatives available. Always remember to check the most current product labeling and look for certified gluten-free seals to ensure your treats are safe to enjoy. With a little diligence, you can satisfy your sweet tooth without compromising your health.


The Celiac Disease Foundation offers extensive resources for navigating a gluten-free diet.


Frequently Asked Questions

No, many chocolate bars are naturally gluten-free, but those with added ingredients like wafers, cookies, or barley malt are not. It's the additional fillings and manufacturing processes that can introduce gluten.

Barley malt is a syrup or flavor derived from barley, which is a gluten-containing grain. It's often used as a sweetener or for flavor in some candy bars with a crispy or malted texture.

Lists are helpful as a starting point, but you should always verify the product's ingredient label and allergen warnings yourself. Manufacturers can change recipes or production practices at any time, so the most current label is the most reliable source.

Plain and peanut M&Ms are generally considered gluten-free in some regions, but Pretzel and Crispy M&Ms contain gluten. You must always check the label, especially for regional and seasonal varieties.

According to Hershey's, while standard Reese's cups are gluten-free, seasonal shapes may have a higher risk of cross-contamination from shared manufacturing lines and should be avoided by those with celiac disease.

Common ingredients to watch for include wheat flour (found in wafers and cookies), barley malt (in malted milk or crisped rice), and certain modified food starches derived from wheat.

No. For individuals with celiac disease, any risk of cross-contamination is dangerous, even if the ingredients themselves are not gluten-containing. It's best to choose products with a 'certified gluten-free' label or those specifically confirmed safe by the manufacturer.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.