Skip to content

Why are Cheerios not celiac friendly?

4 min read

In 2015, General Mills recalled 1.8 million boxes of 'gluten-free' Cheerios after discovering they were contaminated with wheat, causing distress and adverse reactions in the celiac community. This incident highlighted the ongoing and serious issues surrounding why are Cheerios not celiac friendly, despite claims on the box.

Quick Summary

Cheerios are not considered celiac-safe due to a flawed manufacturing process involving mechanical sorting of oats, which poses a significant risk of gluten cross-contamination from wheat, barley, and rye. Experts warn against their consumption for individuals with celiac disease because of inconsistent testing and previous recalls.

Key Points

  • Flawed Sorting Process: Cheerios rely on mechanical and optical sorting to remove gluten-containing grains from oats, a method that is not 100% reliable.

  • High Cross-Contamination Risk: The commodity oats used are at a high risk of cross-contamination with wheat, barley, and rye, which are difficult to fully separate.

  • History of Recalls: General Mills has recalled 'gluten-free' Cheerios in the past due to actual wheat contamination, confirming the manufacturing process's unreliability.

  • Inconsistent Testing: Their composite testing method can miss 'hot spots' of high gluten levels in individual boxes, creating a potential health risk for consumers.

  • Lack of Purity Protocol: The product does not use 'purity protocol' oats, which are grown and handled in a controlled manner to prevent cross-contamination from the start.

  • Celiac Associations' Warnings: Organizations like the Canadian Celiac Association and Gluten Free Watchdog formally advise people with celiac disease to avoid Cheerios due to ongoing safety concerns.

  • Real-World Reactions: Many individuals with celiac disease have reported getting sick after eating Cheerios, despite the gluten-free label.

In This Article

Understanding the Problem: The Oats and the Sorting Method

The fundamental issue of why are Cheerios not celiac friendly stems from their oats and the process used to purify them. While oats are naturally gluten-free, they are often grown and processed alongside gluten-containing grains like wheat, barley, and rye. This makes standard commodity oats, which General Mills uses, highly susceptible to cross-contamination.

The Failure of Mechanical Sorting

To address this contamination, General Mills developed and implemented a mechanical and optical sorting process. This technology is designed to separate the oats from stray gluten-containing grains based on differences in size, shape, and color. However, this method has been proven to be imperfect and unreliable for ensuring a gluten-free product, especially for those with celiac disease, who require extremely low levels of gluten exposure (less than 20 ppm).

  • Similarity of Grains: Wheat and barley kernels can be very similar in size, shape, and color to oats, making complete separation nearly impossible with mechanical sorting.
  • Broken Kernels: Broken pieces of gluten-containing grains are particularly difficult to filter out, adding to the risk of contamination.
  • Inconsistent Contamination: Gluten contamination is not distributed evenly throughout a batch of oats, creating 'hot spots' of high gluten concentration. This variability makes General Mills' testing protocol—which averages results from a composite sample—insufficient for detecting all contaminated batches.

The Fallout: Recalls and Ongoing Concerns

The most public incident demonstrating the risks came in 2015 when General Mills recalled millions of boxes of "gluten-free" Cheerios. The company admitted that wheat flour was mistakenly introduced into the gluten-free oat flour system at their Lodi, California facility. This recall proved that even with their best intentions and internal protocols, their process was fundamentally flawed and unreliable for individuals with celiac disease.

The Celiac Community's Response

Following the recall, major celiac organizations took a firm stance against the safety of Cheerios for their community. Both the Canadian Celiac Association (CCA) and Gluten Free Watchdog have advised people with celiac disease to avoid Cheerios. They advocate for products made with "purity protocol" oats, which are grown in dedicated fields and handled with strict controls to prevent contamination from the very beginning.

Reports from celiac patients experiencing adverse reactions after consuming Cheerios continue to appear in online forums and support groups, years after the initial recalls. Many have noted severe gastrointestinal distress and other symptoms consistent with gluten exposure, confirming that the product remains a risk.

Comparison: Mechanically Sorted vs. Purity Protocol Oats

Feature Cheerios (Mechanically Sorted Oats) Certified Purity Protocol Oats
Oat Source Conventional oats, grown and transported with gluten grains. Oats from dedicated fields, with controlled planting and harvesting.
Cross-Contamination Risk High, due to farming and processing methods. Extremely low, controlled from the field to packaging.
Separation Method Mechanical and optical sorters. Imperfect and prone to missing small fragments or whole grains. Not applicable; contamination is prevented from the start.
Testing Averaged composite testing, which can miss 'hot spots' of contamination. Strict batch testing on the finished product; some manufacturers test individual units.
Reliability for Celiacs Unreliable; frequent reports of reactions and past recalls. Considered safe for the vast majority of celiacs.
Third-Party Certification Relies on internal testing for 'gluten-free' claim. Often bears a third-party certification seal, like GFCO, for additional assurance.

Choosing Safer Alternatives

For those with celiac disease, the risks associated with Cheerios are unnecessary given the wide availability of truly safe, gluten-free alternatives. Many cereals use certified purity protocol oats or other naturally gluten-free grains, ensuring a much higher level of safety.

  • Read Labels Carefully: Look for a third-party gluten-free certification seal, such as the one from the Gluten-Free Certification Organization (GFCO). This indicates that the product has been tested to meet rigorous standards beyond the FDA's less stringent requirements.
  • Support Purity Protocol Brands: Seek out companies that exclusively use purity protocol oats, grown and processed under strict controls to prevent cross-contamination from the field.
  • Consider Oat-Free Alternatives: If you are particularly sensitive or concerned, choosing oat-free cereals, such as certified gluten-free Chex, provides a safe and delicious option.

Conclusion: Prioritizing Celiac Safety Over Convenience

In summary, despite General Mills' efforts and "gluten-free" labeling, Cheerios remain an unreliable and potentially dangerous option for those with celiac disease. The core problem lies in their use of mechanically sorted commodity oats, a process that is unable to eliminate the risk of gluten cross-contamination. The history of recalls and ongoing consumer reports of adverse reactions reinforce the advice from leading celiac organizations to avoid this product. For individuals managing celiac disease, prioritizing safety means choosing certified products made from purity protocol oats or opting for guaranteed oat-free alternatives. The risk of even small levels of gluten exposure is not worth the potential long-term health consequences for someone with celiac disease. For more on the standards of true gluten-free labeling, the Celiac Disease Foundation provides helpful resources to guide consumers.

Frequently Asked Questions

No, most major celiac organizations advise against it. The 'gluten-free' claim on Cheerios is not considered reliable for individuals with celiac disease due to the high risk of cross-contamination during the sorting process.

The mechanical and optical sorting process is imperfect because wheat and barley grains are often similar in size and shape to oats, making complete removal impossible. The process also struggles to filter out broken kernels, and gluten contamination can appear in 'hot spots' that their testing might miss.

In 2015, General Mills recalled 1.8 million boxes of 'gluten-free' Cheerios after it was discovered that wheat flour had accidentally contaminated the gluten-free oat flour supply at one of their facilities, proving their system was vulnerable to errors.

Mechanically sorted oats are conventional oats that have been processed to remove gluten grains after harvest. Purity protocol oats are grown in dedicated fields and handled to prevent any gluten contamination from the very beginning, a much safer process for celiacs.

Cheerios' protocol relies on testing a composite (or mixed) sample from multiple boxes. This method can potentially average out a high gluten reading from a contaminated box with low readings from other boxes, making a batch appear safe when it is not.

For truly safe oat products, look for brands that explicitly state they use purity protocol oats and carry a third-party certification seal like GFCO. Examples include GF Harvest, Marshall Gluten-Free Mill, and Avena Foods.

Not necessarily. Gluten contamination can cause long-term intestinal damage in celiacs even without immediate or noticeable symptoms. Due to the high risk and documented evidence of contamination, it is not recommended to consume Cheerios, even if you have not experienced a reaction.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Medical Disclaimer

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