
Swiss cheese is a beloved variety of cheese, but is it suitable for vegetarians? Cheese is often a deal-breaker for vegetarians considering a vegan diet, as many don't want to give up this favorite food. While cheese is widely accepted as part of a vegetarian diet, not all cheese is vegetarian. Rennet, derived from the lining of a calf's stomach, is commonly used in the cheesemaking process, and vegetarians may wish to avoid this ingredient. Some Swiss cheeses are made with rennet from plants or microbes, but most Swiss cheeses are made using animal rennet and are therefore not vegetarian. This guide will explore how to identify vegetarian Swiss cheese and recommend suitable alternatives.
| Characteristics | Values |
|---|---|
| Soft cheese | Likely to be vegetarian |
| Hard cheese | Less likely to be vegetarian |
| Rennet | Can be vegetarian or animal-based |
| Kosher markings | K, Circle K, and Circle U indicate no animal rennet |
| Vegetarian cheese brands | Laughing Cow, Lucerne (white cheeses), Cabot, Schreiber, Galbani, Great Lakes, Trader Joe's, Kroger, Good & Gather, HEB, Sargento |
| Non-vegetarian cheese brands | Great Value (except cream cheese), Kraft (Swiss, Grated Parmesan, and possibly others), Kirkland Signature (Manchego, Parmigiano-Reggiano), Land O' Lakes |
| Vegetarian-friendly cheese types | Paneer, Cottage cheese, Cream cheese, American Swiss, Ricotta, Mozzarella, Feta, Chevre |
| Non-vegetarian cheese types | Emmenthal, European Swiss |
| Vegetarian rennet sources | Plants, Microbes, Fungi, Bacteria |
| Country/Region | Most Swiss and UK cheeses use animal rennet, while most US cheeses use vegetarian rennet |
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What You'll Learn
- Rennet: a complex set of enzymes derived from animals or microbial culture
- Vegetarian alternatives: vegetable-based coagulants and microbial enzymes
- Swiss cheese: American Swiss is vegetarian, but European Swiss is not
- Vegetarian-friendly brands: Laughing Cow, Cabot, Lucerne, and more
- Non-vegetarian brands: Great Value, Kraft, Land O' Lakes, and more

Rennet: a complex set of enzymes derived from animals or microbial culture
Swiss cheese may not always be suitable for vegetarians, as some varieties are made using rennet, a complex set of enzymes derived from the stomach of animals. Rennet is commonly used in the cheesemaking process to separate milk into solid curds, causing the cheese to curdle and harden. While rennet can be derived from animals, it can also be obtained from microbial culture or plant-based sources, making it suitable for vegetarians.
The type of rennet used in cheesemaking can vary depending on the region and the specific cheese variety. For example, American Swiss cheese is typically made without rennet, while its cousin, Emmenthal, may be made using either animal or plant-based rennet. On the other hand, European Swiss cheese is more commonly produced using animal rennet, making it unsuitable for vegetarians.
To ensure that Swiss cheese is suitable for a vegetarian diet, it is essential to check the ingredients or labels. Vegetarian-friendly cheese will often be labelled with terms like ""vegetarian rennet," "microbial rennet," or "vegetable rennet." Additionally, soft cheeses are more likely to be vegetarian, as they can be made using plant-based ingredients like lemon juice. However, hard cheeses often require the use of rennet to form curds.
While some cheesemakers in Switzerland still prefer traditional methods that may involve the use of animal rennet, there is a growing trend towards producing vegetarian cheese due to increasing demand and lower costs. This trend is not limited to Switzerland, as many countries are now offering vegetarian alternatives. For instance, most UK cheeses now use vegetarian rennet, and some well-known brands like Laughing Cow and Kraft offer vegetarian options as well.
In conclusion, when it comes to Swiss cheese and its suitability for vegetarians, it is important to consider the source and production methods. While some Swiss cheeses may be made with animal-derived rennet, there are also vegetarian options available. By checking labels, ingredients, and seeking out vegetarian-specific varieties, individuals can make informed choices that align with their dietary preferences and ethical considerations.
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Vegetarian alternatives: vegetable-based coagulants and microbial enzymes
Swiss cheese is not always suitable for vegetarians. This is because the process of making cheese involves separating milk into solid curds using a complex set of enzymes. One such enzyme is rennet, which is usually animal-derived. However, there are vegetarian alternatives to animal-based rennet, such as vegetable-based coagulants and microbial enzymes.
Vegetable-based coagulants, also known as vegetable rennet, can be used in place of animal rennet in the cheese-making process. These coagulants are often used in home cheesemaking and are made from an enzyme produced by the fermentation of a fungus, Rhizomucor miehei. While vegetable rennet works just as well as animal rennet to coagulate cheese curds, animal rennet is typically preferred for aged cheeses. This is because cheese made with vegetable rennet may develop an off-flavor after a long ageing period. In addition to microbial rennet, other common kitchen products such as lemon juice, vinegar, citric acid, and tartaric acid can also be used as coagulants for some cheeses. However, these alternatives may not produce the firm curds needed for quality cheesemaking and are generally used for soft cheeses.
Microbial enzymes, also known as microbial rennet, are another vegetarian alternative to animal-based coagulants. Microbial rennet is commonly used in commercially produced vegetarian cheeses and can be found in brands such as Laughing Cow, Kraft, Lucerne (Safeway), and Kirkland Signature (Costco). Microbial enzymes are also used in the production of Swiss cheese, as mentioned by some sources. These enzymes are not involved in the coagulation process but are added to the cheese as bacterial cultures. While the use of microbial enzymes ensures that the cheese is vegetarian-friendly, it is important to check the ingredient label for the presence of other animal-derived products such as lipase.
The use of vegetable-based coagulants and microbial enzymes in cheese production offers several advantages. Firstly, they provide vegetarian alternatives to traditional animal-based rennet, catering to the increasing demand for vegetarian and vegan options. Additionally, these alternatives can address religious concerns associated with animal-based coagulants and provide options for consumers who prefer to avoid genetically modified organism (GMO)-derived ingredients. Furthermore, the use of microbial rennet has become popular due to its lower cost compared to animal rennet, and the quality of cheese produced is usually similar.
When determining if Swiss cheese is suitable for vegetarians, it is important to consider the source of the enzymes used in the cheese-making process. While some Swiss cheeses may use traditional animal-based rennet, others may employ vegetable-based coagulants or microbial enzymes, making them suitable for vegetarian diets. However, it is always advisable to check the ingredients or ask about the production process to make an informed decision.
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Swiss cheese: American Swiss is vegetarian, but European Swiss is not
Swiss cheese is a broad term for several varieties of cheese, with different production methods and ingredients. Notably, American Swiss cheese is usually made without rennet, and is therefore vegetarian-friendly. However, its cousin, Emmenthal, may be made using animal or plant-based rennet, so checking the ingredients is advised.
On the other hand, European Swiss cheese is typically not vegetarian. Rennet, an enzyme derived from the lining of a calf's stomach, is commonly used in the production of hard cheeses like Swiss cheese. This means that many Swiss cheeses are not suitable for vegetarians.
The distinction between American and European Swiss cheese is important for vegetarians due to the presence or absence of rennet. Rennet is essential for forming curds and hardening the cheese. While some cheeses use plant-based or microbial rennet, which is suitable for vegetarians, traditional cheesemaking often involves animal rennet. This is especially true for European Swiss cheese, which commonly uses animal-derived rennet.
Vegetarians who wish to consume Swiss cheese should opt for American Swiss or specifically seek out varieties made with vegetarian rennet. Soft cheeses, such as ricotta, cottage cheese, and cream cheese, are generally made without rennet and are safe for vegetarians. Checking ingredient lists and looking for labels indicating vegetarian or microbial rennet can help ensure that the cheese is suitable for a vegetarian diet.
It is worth noting that the distinction between vegetarian and non-vegetarian Swiss cheese primarily concerns the use of animal-derived rennet. Other aspects of cheese production, such as the use of animal milk, may also be relevant to ethical or health-conscious vegetarians.
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Vegetarian-friendly brands: Laughing Cow, Cabot, Lucerne, and more
Swiss cheese is usually made using rennet, an enzyme derived from the stomach of animals, which is used to separate milk into solid curds. Rennet can also be made from plants or microbial cultures, making the cheese suitable for vegetarians.
In the United States, Swiss cheese is typically made without rennet and is therefore vegetarian-friendly. However, its cousin, Emmenthal, may be made using animal or plant-based rennet, so checking the ingredient list is necessary. On the other hand, European Swiss cheese is predominantly made using animal-derived rennet, making it unsuitable for vegetarians.
When it comes to vegetarian-friendly brands, Laughing Cow stands out as all of its cheeses are suitable for vegetarians. Cabot cheeses, except for American and Mexican blends, are also vegetarian-friendly. Lucerne (Safeway) brand cheese offers vegetarian options in their white cheeses, while their orange cheeses are not vegetarian. Additionally, all Kirkland Signature (Costco) cheeses, except for Parmigiano-Reggiano and Manchego, are made with microbial rennet and are suitable for vegetarians.
For those following a vegan diet, there are also options available. Daiya Foods offers dairy-free Swiss slices made with their Daiya Oat Cream blend, coconut oil, and various starches. These slices can be enjoyed cold or melted, providing versatility in their use. The slices are available at various retailers, including Wegmans, Whole Foods, Kroger, Walmart, and Target.
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Non-vegetarian brands: Great Value, Kraft, Land O' Lakes, and more
Swiss cheese is widely consumed and enjoyed by many vegetarians, but it is important to be aware that not all Swiss cheeses are suitable for a vegetarian diet. The suitability of Swiss cheese for vegetarians depends on the type of rennet used in the cheesemaking process. Rennet is a complex set of enzymes that separate milk into solid curds, and it can be derived from either animal or plant-based sources.
In the United States, Swiss cheese is typically made without rennet, making it suitable for vegetarians. However, its cousin, Emmenthal, may be made with animal or plant-based rennet, requiring closer inspection of the ingredient list. On the other hand, European Swiss cheese is generally not vegetarian-friendly as it is often produced using animal-derived rennet.
When it comes to non-vegetarian brands, there are several well-known names in the cheese industry. Here is a detailed list of some prominent brands:
Great Value: This brand offers a range of cheeses, but unfortunately, most of their products are not suitable for vegetarians. The only exception is their cream cheese, which has been specifically mentioned as being vegetarian-friendly.
Kraft: Kraft is a popular cheese brand, but it has come under scrutiny for its use of animal-derived ingredients. Their Grated Parmesan cheese, for example, occasionally contains lipase, which is derived from animals. Kraft Swiss cheese is also not considered vegetarian-friendly.
Land O Lakes: Land O Lakes is another brand that has been removed from the list of vegetarian-friendly options. While they may offer a variety of cheese products, their inclusion of animal-derived ingredients makes them unsuitable for vegetarians.
In addition to the brands mentioned above, there are other non-vegetarian options available in the market. It is always advisable to carefully read the ingredient lists and look for indications of animal-derived rennet, such as the term "enzymes," to make informed choices when purchasing cheese as a vegetarian.
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Frequently asked questions
It depends on the type of Swiss cheese and where it is made. American Swiss cheese is usually made without rennet and is therefore vegetarian. However, European Swiss cheese is often made with rennet derived from animals and is not considered vegetarian.
Rennet is a complex set of enzymes used to separate milk into solid curds in the cheesemaking process. Traditional rennet is derived from the lining of a calf's stomach, which is not suitable for vegetarians. However, there are now plant-based and microbial alternatives to traditional rennet that are suitable for vegetarians.
The easiest way to identify if a cheese is vegetarian is to check the food label. Look for Kosher markings (K, Circle K, or Circle U) as Kosher cheese must be made without animal rennet. You can also look for specific terms on the label, such as "vegetarian rennet", "microbial rennet", or "vegetable rennet", which indicate that the cheese is suitable for vegetarians.

























