The Gluten Question: Is All Cheese Safe?
Dairy products, in their purest form, are naturally gluten-free. This is because cheese is made from milk, enzymes (rennet), and cultures, none of which contain gluten from grains like wheat, barley, or rye. The real concern arises when cheese undergoes processing. This is especially true for pre-grated cheese, which often contains additives to prevent clumping. For individuals with celiac disease or non-celiac gluten sensitivity, understanding the manufacturing process and learning to read labels are critical steps to ensuring a safe diet.
The Anti-Caking Agent Dilemma
To prevent shredded cheese from sticking together in the bag, manufacturers add anti-caking agents. While these are safe and approved for consumption, they are the primary reason for potential gluten contamination in grated cheese. Common anti-caking agents include powdered cellulose, potato starch, and cornstarch, all of which are gluten-free. However, some products, particularly less common or budget-friendly brands, could potentially use wheat starch. This makes careful label scrutiny essential before purchasing any pre-shredded product.
The Critical Importance of Label-Reading
Checking the ingredient list is the most important step for anyone on a gluten-free diet. When examining pre-grated cheese packages, look for any mention of wheat, barley, or rye. The Celiac Disease Foundation recommends checking for specific ingredients like "wheat starch" or "modified food starch" (unless specified as not derived from wheat). Reputable brands will explicitly label their products as "Certified Gluten-Free," which is the most reliable assurance of safety. The FDA requires products labeled as gluten-free to contain less than 20 parts per million of gluten, a level generally considered safe for most individuals with celiac disease.
Which Grated Cheese is Gluten-Free by Nature?
If you want to be completely certain, your safest bet is to buy a solid block of cheese and grate it yourself. This eliminates any risk of hidden additives or cross-contamination that can occur during the shredding and packaging process. Almost any natural block cheese is a safe choice, including:
- Cheddar: A versatile and popular hard cheese.
- Mozzarella: Perfect for pizza and Italian dishes, typically gluten-free.
- Parmesan: Aged and hard, this cheese is naturally gluten-free.
- Provolone: A semi-hard cheese suitable for melting.
- Swiss: A firm, mild-flavored cheese with a distinct appearance.
- Feta: A crumbly, brined cheese, popular in salads.
- Goat Cheese: Naturally gluten-free, often sold in logs or crumbles.
Trusted Gluten-Free Grated Cheese Brands
Several major cheese producers offer a wide range of shredded cheeses that are explicitly labeled or confirmed as gluten-free. For example, Sargento has publicly stated that its natural cheese products are gluten-free and use safe anti-caking agents. Similarly, Cabot Creamery confirms that all its shredded cheeses are gluten-free. However, it is crucial to remain vigilant and re-check labels regularly, as manufacturing processes and ingredients can change over time. When in doubt, contact the manufacturer directly to confirm their gluten management practices.
Comparing Block vs. Pre-Grated Cheese
| Feature | Block Cheese | Pre-Grated Cheese | 
|---|---|---|
| Gluten Risk | Very Low. Gluten is not a natural ingredient. | Low, but requires label-checking for anti-caking agents. | 
| Convenience | Low. Requires manual grating. | High. Ready to use straight from the bag. | 
| Cost | Often less expensive per pound. | Typically costs more per pound. | 
| Ingredients | Usually just milk, salt, rennet, and cultures. | May include anti-caking agents like starch or cellulose. | 
| Melt Quality | Superior. Melts smoothly and evenly for optimal texture. | Varies. Anti-caking agents can sometimes prevent smooth melting. | 
Cross-Contamination and Deli Counters
Another area of concern is cross-contamination, which can occur at the deli counter. If a store’s deli slices both cheese and gluten-containing products, such as deli meats containing fillers, on the same equipment, cross-contamination is a risk. If you are highly sensitive to gluten, it is best to ask the deli worker to use a clean slicer, fresh paper, and a new pair of gloves, or avoid deli-sliced items altogether. Similarly, be cautious of specialty or flavored cheeses sold from deli displays, as they may have been exposed to gluten-containing items.
Conclusion: Grate Your Own or Read Carefully
For those on a gluten-free diet, enjoying grated cheese is entirely possible with caution and knowledge. While most natural cheeses are inherently safe, the processing involved in creating pre-grated products introduces a potential risk that must be managed through vigilant label-reading. For the highest level of safety and control, grating a block of natural cheese yourself is the best option. However, with the availability of certified gluten-free grated products from reputable brands, there are convenient, safe choices available for every preference.
The Celiac Disease Foundation offers excellent resources for navigating a gluten-free diet