Vegans don’t eat cheese because it comes from animals. Cheese requires milk, and producing milk means keeping cows, goats, or sheep in a cycle of pregnancy, birth, and milking that vegans view as exploitation. It’s not just about what’s in the cheese itself. It’s about what the animal goes through to produce it.
Veganism Goes Beyond Diet
The Vegan Society defines veganism as “a philosophy and way of living which seeks to exclude, as far as is possible and practicable, all forms of exploitation of, and cruelty to, animals.” That includes food, clothing, entertainment, and any other use of animals. In dietary terms, it means avoiding all products derived wholly or partly from animals: meat, fish, dairy, eggs, and honey.
Cheese is a dairy product, so it falls squarely into the category of animal-derived foods. Even cheese made without meat-based ingredients still depends on an animal’s body to produce the raw material. For vegans, the issue isn’t whether the animal was killed to make the product. It’s whether the animal was used at all.
What Happens to Dairy Cows and Their Calves
To produce milk, a cow has to give birth. Dairy cows are impregnated repeatedly throughout their lives to keep milk production going. On most North American and European dairy farms, calves are separated from their mothers within 24 hours of birth. Under natural conditions, cow-calf pairs stay together until the calf gradually weans at around six to eight months. The early separation allows producers to control how much milk the calf consumes, leaving more to sell.
This cycle takes a physical toll. Dairy cows have a natural life expectancy of around 20 years, but that’s rarely observed under modern commercial conditions. Most are culled well before that point because they can no longer maintain expected production levels, reproduce regularly, or stay healthy enough to justify their keep. In Canada, for example, the average age Holstein cows die of natural causes is 9.1 years, but many are removed from herds much earlier for economic reasons.
Male calves born into the dairy industry can’t produce milk. Depending on the operation, they’re raised for beef or veal, or killed shortly after birth. For vegans, cheese isn’t a cruelty-free alternative to meat. It’s part of the same system.
Hidden Animal Ingredients in Cheese
Even beyond the milk itself, many cheeses contain another animal product: rennet. Traditional rennet is a set of enzymes harvested from the stomach linings of young calves, lambs, or kid goats. These enzymes cause milk to coagulate into curds, which is the foundation of cheesemaking. Many cheeses, including most traditional Parmesan, are still made with animal rennet.
Vegetarian-friendly cheeses use microbial or plant-based rennet instead, but they still rely on animal milk. So while a vegetarian might seek out rennet-free cheese, a vegan avoids the product entirely because the milk itself is the problem.
The Environmental Argument
Many vegans also cite environmental impact. Dairy cheese has a substantial carbon footprint compared to plant-based alternatives. A systematic review of life cycle assessments found that plant-based cheeses produced only 20% to 29% of the greenhouse gas emissions of their dairy counterparts. That means swapping dairy cheese for a plant-based version can cut the climate impact of that food by roughly 70% to 80%.
Dairy farming also requires significant land and water for growing animal feed, housing cattle, and managing waste. For vegans motivated by environmental concerns, cheese represents one of the higher-impact foods they can remove from their diet.
Why Cheese Feels So Hard to Give Up
If you’ve ever heard someone say “I could go vegan, but I can’t give up cheese,” there’s a biological reason it feels that way. Milk protein (casein) breaks down during digestion into fragments called casomorphins. These peptides attach to the same type of receptors in your brain that opioid drugs target, specifically mu-opioid receptors. There is extensive evidence that one of these fragments, known as beta-casomorphin-7, can cross the blood-brain barrier and affect behavior and physiology, including interactions with the serotonin system.
Cheese concentrates casein because it takes many pounds of milk to make a single pound of cheese. The result is a food that triggers reward pathways more strongly than milk alone. This doesn’t make cheese literally addictive in the clinical sense, but it does help explain why people find it harder to drop than, say, eggs or yogurt.
What Vegans Eat Instead
The vegan cheese market has expanded dramatically. Commercial options range from simple coconut oil-based slices to fermented nut cheeses that closely mimic the tang and texture of dairy. Cashew-based cheeses, for instance, can be cultured using live bacterial starters (the same kind found in kimchi brine, kombucha, or sauerkraut) to develop genuinely complex, tangy flavors through fermentation rather than relying on artificial cheese flavoring.
Nutritionally, plant-based cheeses differ from dairy in some notable ways. Regular white cheese can contain around 13 grams of saturated fat per 100 grams, while several tested vegan white cheese alternatives contained no measurable saturated fat. Salt content tends to be slightly lower in vegan versions as well, around 1.9 to 2 grams per 100 grams compared to 2.7 grams in dairy white cheese. On the other hand, most vegan cheeses are lower in protein and calcium unless they’ve been fortified, so they’re not a one-to-one nutritional swap.
The FDA does not currently have a legal definition for the term “vegan” on food labels, though it’s commonly understood to mean a product contains no animal-derived ingredients. The agency recommends that plant-based cheese alternatives use names describing their plant source rather than relying solely on terms like “vegan” or “dairy-free,” which is why you’ll see labels like “cashew-based cheese alternative” on store shelves.