Is Gruyere Kosher?
Yes, Gruyere is generally considered kosher. This Swiss mountain cheese passes the strict scrutiny of dietary laws because its ingredients—cultured milk, salt, and standard preservatives—do not contain forbidden animal derivatives or non-kosher additives. While the enzymes used in cheese making can sometimes be a point of contention, the specific blend found in mass-market Gruyere poses no red flags for those keeping a kosher diet.
The Ingredient Breakdown
To understand why Gruyere is kosher, we must look at the specific components used to create this nutty, semi-hard cheese. The ingredient list provided is standard for industrial Gruyere, and each element plays a specific role in safety and flavor.
The base of the cheese is cultured pasteurized milk. Milk is inherently kosher, provided it comes from a kosher animal (which a cow is). Pasteurization is simply a safety process and has no bearing on kosher status. The coagulation agent here is enzymes. In the past, these enzymes (rennet) were often sourced from the stomachs of non-kosher animals. However, modern Gruyere almost exclusively uses microbial or vegetable-based enzymes, or synthetic rennet, all of which are perfectly kosher.
We also see additives like sodium phosphate and sorbic acid. Sodium phosphate is a mineral salt used to maintain texture and meltability, while sorbic acid is a preservative preventing mold growth. Both are synthetic or mineral-based and contain no animal products. Finally, natural flavoring is listed. In the context of Swiss cheese, this almost always refers to specific cheese cultures or nut extracts used to develop the rind, not meat-based broths. Therefore, the ingredient profile is clean.
Nutritional Value
Gruyere is a nutrient-dense food, packing a significant caloric punch in a small serving. A standard ounce (28g) contains approximately 117 calories, the vast majority of which come from fat and protein. It is a high-fat cheese, containing about 9 grams of fat per ounce, including saturated fat. While this fits within a standard diet, those monitoring their cholesterol or saturated fat intake should consume it in moderation.
From a carbohydrate perspective, Gruyere is an excellent choice for low-carb or ketogenic diets, containing virtually zero sugar and less than 1 gram of carbs per serving. It is also a fantastic source of calcium and protein, providing roughly 8 grams of protein per ounce. It fits well into a diet focused on satiety and bone health, but the sodium content (around 85mg per ounce) is something to watch if you are salt-sensitive.
Frequently Asked Questions
Does Gruyere contain dairy or gluten?
Is Gruyere good for weight loss?
Where can I buy Gruyere?
Is Gruyere safe for kids?

Pro Tip
Always double-check the label. Manufacturers change ingredients frequently without notice!




