
Many cheeses contain animal rennet, which is an enzyme derived from the stomach lining of calves, goats, sheep, and pigs. This means that many cheeses are not suitable for vegetarians. However, there are some rennet-free cheeses available, such as cream cheese, paneer, and some fresh cheeses. Some brands, such as Trader Joe's and Whole Foods, label the source of rennet used in their generic-brand cheeses, and many of these are vegetarian. For those looking for vegetarian options, it is important to research the brands and specific cheeses produced, as most labels do not list the type of rennet used.
| Characteristics | Values |
|---|---|
| Vegetarian-friendly cheese substitutes | Treeline, Dr-Cow, Kite Hill, Go Veggie!, Daiya, Follow Your Heart, Parmela |
| Vegetarian Parmesan brands | Organic Valley Shredded Parmesan, BelGioioso Vegetarian Parmesan |
| Vegetarian English Cheddar brands | N/A |
| Vegetarian Spanish and Portuguese sheep's cheeses | La Serena, Zimbro |
| Rennet-free fresh cheeses | Cream cheese, paneer |
| Vegetarian-friendly supermarket brands | Trader Joe's, Whole Foods |
| Vegetarian-friendly cheese shops | N/A |
| Vegetarian-friendly cheese brands | Sargento, l'Ancêtre (except parmesan and artisan goat cheese) |
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What You'll Learn

Rennet is often derived from animal stomach lining
Rennet is a complex set of enzymes produced in the stomachs of ruminant mammals. It is mainly found in the lining of the fourth stomach of young goats, calves, and lambs. Rennet is traditionally used to separate milk into solid curds and liquid whey, which is then used in the production of cheese. The process of coagulation involves adding rennet to milk, which assists in the proper coagulation of the milk.
Rennet from calves is becoming less common, with less than 5% of cheese in the United States being made using animal rennet. This is due to the limited availability of mammalian stomachs for rennet production, as well as the cost and reliability of alternative sources. Cheese makers have sought other ways to coagulate milk since Roman times, using various sources of enzymes that can substitute animal rennet, such as plants, fungi, and microbial sources.
Fermentation-produced chymosin, a type of microbial rennet, is now commonly used in industrial cheesemaking in North America and Europe due to its cost-effectiveness and reliability. This method involves manipulating the genes of a young ruminant and/or synthesizing its genes to produce chymosin, which is identical to that made by an animal. Other examples of plant-based coagulants include fig juice, as suggested by Homer in the Iliad, as well as Galium species, dried caper leaves, nettles, thistles, mallow, and Withania coagulans.
While animal-derived rennet is traditionally used in cheesemaking, it is important to note that not all cheeses are made with animal rennet. Some cheeses are made with microbial or vegetable rennet, which are suitable for vegetarians and those keeping Kosher. However, it can be challenging to determine the type of rennet used in cheese, as labels often list "enzymes" without specifying the origin. For those who are vegetarian or seeking to avoid animal products, it may be necessary to research the brands and specific cheeses produced by those brands to ensure they are free from animal rennet.
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Some cheeses are made with microbial rennet
Rennet is an enzyme that is commonly found in the lining of a cow, goat, sheep, or pig's stomach. It is added to milk to assist in the coagulation process, which is an essential step in cheese-making. While rennet is commonly used in cheese production, there are some cheeses that are made without it, or with vegetarian-friendly alternatives such as microbial rennet. Microbial rennet is derived from fungus, yeast, or mold.
Some cheeses that are made with microbial rennet include cream cheese, paneer, and some generic-brand cheeses from Trader Joe's and Whole Foods. These companies label the source of rennet used in their cheeses, making it easier for consumers to identify vegetarian options.
In addition to these options, there are also some traditional Spanish and Portuguese sheep's cheeses, such as La Serena and Zimbro, that use vegetarian thistle rennet, giving them a distinctly briny flavor.
It is important to note that not all cheese labels specify the type of rennet used, and some may simply list "enzymes" as an ingredient. This can make it challenging for vegetarians and those looking to avoid animal-based rennet to make informed choices. However, resources like murrayscheese.com and cowgirlcreamery.com can be helpful in identifying vegetarian-friendly artisanal cheeses.
While it may take some research and label reading, it is possible to find and enjoy cheeses that are made with microbial rennet or other vegetarian alternatives. These options ensure that those with dietary restrictions or ethical concerns can still indulge in their favorite cheesy treats.
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Rennet-free cheeses include cream cheese and paneer
Rennet is an enzyme that is added to milk to help it coagulate, and it is typically derived from the stomach lining of calves, goats, sheep, or pigs. Many cheeses contain rennet, and because it is an animal product, it is not vegetarian-friendly.
Some cheeses, however, are made without rennet. These include cream cheese and paneer, which are fresh cheeses that don't contain rennet at all. Cream cheese is made with an acidification process, using lemon juice or vinegar to coagulate the milk.
When shopping for cheese, it can be challenging to determine whether it contains animal rennet or not. Labels often simply list ""enzymes" as an ingredient, without specifying the source of these enzymes. Some supermarkets, such as Trader Joe's and Whole Foods, label the source of rennet used in their generic-brand cheeses, and these are often vegetarian.
There are also cheese substitutes that are completely dairy-free, such as nut-based cheeses like Treeline, Dr-Cow, and Kite Hill, which are suitable for vegans and omnivores alike. For those who are concerned about animal welfare, choosing organic cheese can be a more humane option, as it ensures that cows are treated better during the milk production process.
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Some European cheeses must contain animal rennet
Many cheeses contain animal rennet, an enzyme derived from the stomach lining of calves, cows, goats, sheep, or pigs. This enzyme helps milk separate into curds and whey, and it is traditionally used in the cheese-making process. While some cheeses are made with microbial or vegetable rennet, most European cheeses are made with animal rennet due to age-old recipes.
In fact, certain European cheeses, such as Parmigiano-Reggiano, must contain animal rennet by law to bear their names. This poses a challenge for vegetarians and those wishing to avoid animal products, as animal rennet is not always listed explicitly on ingredient labels. Instead, it may be included under the broader category of "enzymes," making it difficult for consumers to identify its presence.
The inclusion of animal rennet in cheese has sparked discussions among vegetarians and those concerned about animal welfare. Some choose to avoid cheese altogether due to the violent nature of the industry, while others opt for vegetarian-friendly alternatives. However, it is important to note that some consider the consumption of milk and eggs to be more detrimental to animal welfare than the use of animal rennet.
While traditional European cheeses often contain animal rennet, there are vegetarian alternatives available. Some European-style cheeses made in the United States, such as Organic Valley Shredded Parmesan and BelGioioso Vegetarian Parmesan, are vegetarian-friendly. Additionally, a handful of traditional Spanish and Portuguese sheep's cheeses, like La Serena and Zimbro, use vegetarian thistle rennet, offering a briny flavor. These options allow consumers to enjoy cheese while adhering to specific dietary or ethical preferences.
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Some brands label the source of rennet used
Rennet is an enzyme that is added to milk to assist in the coagulation process. It is typically derived from the stomach lining of calves, goats, sheep, or pigs. Many cheeses contain animal rennet, and some vegetarians and vegans may wish to avoid these cheeses.
Some brands do label the source of rennet used in their products. For example, Trader Joe's and Whole Foods label the source of rennet used in their generic-brand cheeses, and many of these are vegetarian. Similarly, Sargento almost always indicates which of its cheeses contain rennet. Some cheese shops will also mark the source of rennet on signs beside the cheese.
However, it is not a requirement for cheesemakers to specify whether they are using animal or vegetable rennet. Many cheeses are simply labeled with "milk, salt, and enzymes," and these enzymes may refer to animal rennet. This lack of transparency can make it challenging for consumers who wish to avoid animal rennet to make informed choices.
Fortunately, there are some alternative options available. Some cheeses are made with vegetarian-friendly alternatives to animal rennet, such as vegetable rennet derived from thistle plants or microbial rennet derived from fungus, yeast, or mold. Fresh cheeses like cream cheese and paneer do not contain rennet at all. Additionally, there are also cheese substitutes made from nuts, such as Treeline, Dr-Cow, and Kite Hill, that are popular among vegans and omnivores alike.
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Frequently asked questions
Some rennet-free cheese options include cream cheese, paneer, and queso fresco. Trader Joe's and Whole Foods both offer rennet-free generic-brand cheeses, and Sargento also offers many rennet-free options.
Many cheese labels do not specify whether they contain rennet, and instead list "enzymes" as an ingredient, which may refer to animal rennet. Some cheese shops and supermarkets, such as Trader Joe's and Whole Foods, label the source of rennet used in their cheeses.
There are many cheese substitutes that are rennet-free and vegan, such as Treeline, Dr-Cow, and Kite Hill. There are also vegan cheese brands that do not contain any animal products, such as Daiya and Follow Your Heart.

























