The Gluten-Free Nature of Natural Cheese
At its core, cheese is a simple dairy product made from a handful of ingredients: milk, salt, rennet, and bacterial cultures. None of these basic components contain gluten. For this reason, most natural cheeses, such as cheddar, Swiss, brie, and hard parmesan, are inherently gluten-free and safe for consumption by those with celiac disease or gluten intolerance. The key is that these cheeses have undergone minimal processing beyond their natural aging and preparation.
Cheeses and Products with a Hidden Gluten Risk
While the base ingredient is safe, the complexity of modern food production introduces potential hazards. Several types of cheese products require extra caution due to additives, processing methods, or cross-contamination.
Processed and Flavored Cheeses
This category represents the highest risk. Processed cheese slices, cheese spreads, and aerosol cheese products often contain additional ingredients to improve texture, stability, and flavor. These additives can include thickeners, emulsifiers, and stabilizers derived from gluten-containing grains like wheat. Flavored cheeses, such as those with seasonings, beer, or crackers, can also be a source of gluten. The specific ingredients vary significantly between brands, so label reading is non-negotiable.
Shredded and Grated Cheese
For convenience, many consumers buy pre-shredded or grated cheese. However, to prevent the shreds from sticking together, some manufacturers add anti-caking agents, which can sometimes contain gluten. While potato starch is a common and gluten-free alternative, wheat starch is a possibility. To be safe, consider grating your own cheese from a solid block or only buying products explicitly labeled gluten-free.
Blue Cheese Controversy
Historically, blue cheese was a point of concern for those with celiac disease because the Penicillium mold cultures were sometimes grown on gluten-containing bread. However, modern cheesemaking techniques and testing have largely resolved this issue. Most blue cheeses today use synthetic or gluten-free mold starters. Additionally, studies have shown that even when cultures are grown on bread, the amount of gluten transferred to the final product is negligible and typically well below the 20 parts per million (ppm) FDA standard for gluten-free products. Nonetheless, for the most sensitive individuals, double-checking the label or opting for a certified gluten-free brand is a prudent step.
Deli Counter Cheese
Another potential source of cross-contamination is the deli counter. If the same slicer or cutting surface is used for gluten-containing products, like deli meats seasoned with gluten, and then for cheese, gluten residue can transfer. To minimize this risk, ask the deli staff to use a fresh, sanitized slicer and to change their gloves before handling your order.
How to Read Labels for Hidden Gluten
To confidently navigate the dairy aisle, it's essential to become a vigilant label reader. The following practices can help:
- Look for Gluten-Free Certification: The easiest and most reliable method is to look for a certified gluten-free label, such as the Crossed Grain symbol or an FDA-regulated “gluten-free” claim. This ensures the product has been tested to meet strict gluten-free standards.
 - Scrutinize the Ingredient List: In many countries, allergens like wheat, barley, and rye must be emphasized on the ingredient list, often in bold. Look for ingredients such as:
- Wheat (including flour, starch, protein)
 - Barley (including malt and brewer's yeast)
 - Rye
 - Modified food starch (unless specified as derived from a gluten-free source like corn or potato)
 
 - Check "May Contain" Statements: A “may contain gluten” or similar cross-contamination warning indicates that the product was manufactured in a facility or on shared equipment with gluten-containing items. For those with celiac disease, this product is not safe.
 
Comparison Table: Natural vs. Processed Cheese
| Feature | Natural Cheese (e.g., Block Cheddar) | Processed Cheese Product (e.g., Slices) | 
|---|---|---|
| Gluten Status | Inherently gluten-free | High risk for hidden gluten | 
| Ingredients | Milk, salt, rennet, cultures | Often contains stabilizers, thickeners, and flavorings | 
| Additives | None | Potential for gluten-based additives like wheat starch | 
| Cross-Contamination | Risk is mainly at the deli counter | High risk from shared processing equipment | 
| Best Practice | Buy in sealed blocks; clean slicer at deli | Check for a "gluten-free" certification or avoid | 
Conclusion
While the vast majority of natural cheese is a safe part of a gluten-free diet, a blanket assumption that all cheese products are safe is a mistake. The answer to whether there are any cheeses that aren't gluten-free is a resounding "yes." The risk comes from processing, additives, and cross-contamination, rather than the core dairy components. By focusing on sealed, natural cheeses and carefully reading labels on all other products, individuals on a gluten-free diet can enjoy cheese without worry.
For more information on living with celiac disease, including detailed food guides, you can visit the Beyond Celiac website.