
Swiss cheese is a hard, aged cheese that is generally considered to be low in lactose and FODMAPs, making it a suitable option for individuals with IBS. However, it's important to remember that everyone's tolerance is different, and while some people with IBS may be able to handle small amounts of Swiss cheese, others may find that even low-lactose cheeses trigger their symptoms. IBS is characterised by unpleasant and painful gut symptoms, and a low-FODMAP diet is often used to identify which foods may worsen these symptoms. This diet involves eliminating high-FODMAP foods for a few weeks and then slowly reintroducing them to observe any reactions. While cheese is relatively high in fat, which can be an IBS trigger, small portions of low-lactose cheeses like Swiss cheese may be suitable for some individuals with IBS.
| Characteristics | Values |
|---|---|
| Swiss cheese for IBS patients | Swiss cheese is low-lactose and low-FODMAP, making it a suitable option for individuals with IBS. |
| Lactose-intolerant IBS patients | An estimated 33% of IBS sufferers are lactose intolerant. |
| Low-lactose cheese for IBS | Most individuals with IBS can handle small amounts of low-lactose dairy products. Aged cheeses, including Swiss cheese, are usually left with less lactose due to the cheese-making process. |
| High-fat cheese for IBS | Cheese is high in fat, which can trigger IBS symptoms such as bloating, gas production, and diarrhoea. |
| Low-FODMAP diet | A low-FODMAP diet is used to identify if certain foods worsen IBS symptoms. It involves eliminating high-FODMAP foods for 2-6 weeks before slowly reintroducing them. |
| Lactose-free alternatives | Lactose-free dairy alternatives, such as lactose-free milk, yoghurt, and cheese, are suitable for IBS patients. |
| Portion sizes | It is recommended to consume low-lactose cheeses in moderate portions (around 40 grams) to avoid triggering IBS symptoms. |
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What You'll Learn

Swiss cheese is low FODMAP and low lactose
Low FODMAP diets are not dairy-free, but they do require the avoidance of high-lactose products. Lactose is the natural sugar found in milk, and it is often the IBS-triggering culprit, not dairy. Around 33% of IBS-sufferers are lactose intolerant to some degree. Lactose intolerance occurs when there is a lack of the enzyme lactase in the system, which is needed for proper digestion. Symptoms of lactose intolerance include bloating, gas, and diarrhea, which usually begin 30-45 minutes after consuming lactose.
Swiss cheese is a natural, aged cheese that normally contains less than 0.5g of sugar per 100g. During the manufacturing process, most of the high-FODMAP lactose is drained off with the whey. The small amount of lactose left in the curd is then transformed into lactic acid as the cheese ripens. This means that Swiss cheese, along with other aged cheeses like Cheddar, Camembert, and Parmesan, only contains very small or trace amounts of lactose per serving.
However, it is important to remember that everyone's intolerances are unique. While Swiss cheese is low FODMAP and low lactose, it may still trigger IBS symptoms in some individuals due to its high-fat content. Fats can slow down digestion, causing gas to remain in the intestines for longer, which can lead to increased cramping and pain. Therefore, it is recommended to start with small portions of Swiss cheese and monitor your body's reaction.
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Lactose intolerance and IBS
Lactose intolerance is a common digestive issue where the body does not produce enough of the lactase enzyme, which is required to break down lactose, a natural sugar found in milk and other dairy products. Lactose intolerance occurs when a person consumes dairy, and symptoms include flatulence, bloating, nausea, vomiting, and diarrhoea. There is no cure, but symptoms can be managed by avoiding dairy products.
IBS is also a common digestive issue, affecting the stomach and intestines (gastrointestinal tract). It is characterised by abdominal pain and changes in bowel movements, including diarrhoea and constipation. Other symptoms include bloating, flatulence, and stomach cramps. Like lactose intolerance, there is no cure for IBS, but symptoms can be managed through lifestyle changes, such as diet and reduced stress.
While the two conditions are distinct, they can overlap. It is possible to have both IBS and lactose intolerance. In fact, an estimated 33% of IBS sufferers are also lactose intolerant to some degree. For those with IBS, dairy products, including cheese, may trigger symptoms due to their lactose content, high-fat content, or high histamine content. However, not all cheeses are created equal when it comes to lactose levels. Aged cheeses, such as Swiss cheese, tend to have lower lactose content, as the lactose is drained off with the whey during the manufacturing process and converted into lactic acid as the cheese ripens. Therefore, aged cheeses are generally better tolerated by those with IBS.
If you suspect you have lactose intolerance, IBS, or both, it is important to consult a healthcare professional for guidance on testing, diagnosis, and treatment options.
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High-fat content in Swiss cheese
Swiss cheese is a hard, aged cheese that is generally considered safe for people with IBS in moderation. Hard, aged cheeses like Swiss cheese are lower in lactose because, during the cheese-making process, certain lactase-containing bacteria break down the lactose, and some of it is drained off with the whey.
However, it's important to remember that everyone's tolerance is different, and some people with IBS may find that the high-fat content in Swiss cheese triggers their symptoms. Fats can slow down digestion, leading to increased cramping and pain. Therefore, it is recommended to consume Swiss cheese in moderation, as part of a balanced diet.
The recommended serving size for Swiss cheese is 40 grams per serving. This is because, while cheese is a good source of protein and calcium, it is also high in fat, which can be an IBS trigger. Consuming large amounts of cheese can cause a build-up of gas in the intestines, leading to bloating, gas production, and diarrhoea.
To determine your tolerance for Swiss cheese, it is advisable to start with small amounts and gradually increase the portion size while monitoring your body's reaction. Keeping a food diary can help you identify any patterns and determine the appropriate serving size for your individual needs.
Additionally, when consuming Swiss cheese, it is important to be mindful of other ingredients or toppings that may not comply with low-FODMAP guidelines. Some processed cheese products may contain additives such as sorbitol, which can trigger IBS symptoms. Therefore, opting for natural cheese varieties is generally recommended.
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Swiss cheese portion sizes
Swiss cheese is a mildly sharp, nutty-flavoured cheese, popular in sandwiches, croissants, burgers, and cheese platters. It is a good source of protein, calcium, phosphorus, and vitamins A and B12. It is also rich in minerals like zinc.
Swiss cheese is made from cow's milk and is inspired by Emmental cheese from Switzerland. It is known for its distinctive holes, which are formed by bacteria, and its pale yellow colour. It is considered a slightly hard cheese that holds its shape relatively well at high temperatures.
Swiss cheese is a versatile and nutritious option, but it should be consumed in moderation due to its high-fat content. While the exact portion size may vary depending on individual dietary needs and restrictions, here are some general guidelines for Swiss cheese portion sizes:
- Swiss cheese is relatively low in fat compared to other cheeses, but it is still important to consume it in moderation due to its fat content. The recommended serving size for most cheeses, including Swiss cheese, is around 40 grams or one ounce (28 grams) per serving.
- One cup of Swiss cheese slice (approximately 239 grams) is considered a generous portion and contains approximately 906 calories, 64 grams of protein, 75 grams of fat, and 13 grams of carbohydrates.
- For those with dietary restrictions or sensitivities, smaller portions may be more appropriate. For example, those following a low FODMAP diet or managing IBS may aim for a portion size of around 40 grams or less of low-lactose cheese, gradually introducing small amounts to gauge tolerance.
- It is always recommended to consult with a healthcare professional or registered dietitian to determine the appropriate portion sizes based on individual needs and considerations.
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Swiss cheese alternatives for IBS
Swiss cheese is generally considered safe for people with IBS, as it is an aged cheese with low levels of lactose. However, some people with IBS may still find that Swiss cheese triggers their symptoms due to its high fat content or histamine levels. If you are looking for Swiss cheese alternatives that are more likely to be IBS-friendly, here are some options:
- Cheddar is a hard, aged cheese that is generally low in lactose and FODMAPs, making it suitable for many individuals with IBS. It is also one of the cheeses that is commonly used as an alternative to Swiss cheese in recipes like fondue.
- Parmesan is another hard, aged cheese that is typically low in lactose and FODMAPs, and therefore a good option for people with IBS.
- Goat cheese in small servings can be low FODMAP and suitable for people with IBS. Check the nutrition label to ensure it contains 1g of sugar or less per 100g, which indicates a 40g serving size is safe.
- Lactose-free cheeses are specifically formulated to remove lactose, making them a safe choice for those with lactose intolerance and IBS.
- Feta cheese is typically lower in lactose and FODMAPs, but portion sizes should be monitored as it is a softer cheese.
- Brie and Camembert are higher in fat, but some individuals with IBS find these creamy cheeses well-tolerated.
- Velveeta is a popular alternative to Swiss cheese in the US, although it has a different flavor profile. It was developed to melt smoothly and consistently, making it a common choice for grilled cheese sandwiches and cheese sauces.
- Comté is a premium cheese from the Jura region of North-East France that is commonly used for fondue. It will be smooth and stringy when melted, but has a stronger flavour and higher price tag than American Swiss cheese.
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Frequently asked questions
Swiss cheese is a low-lactose cheese, which makes it a good option for people with IBS. However, it's important to remember that everyone's tolerance is different, and some people with IBS may still find that Swiss cheese triggers their symptoms. It's best to start with a small amount and see how your body reacts.
Swiss cheese is an aged cheese, and during the ageing process, most of the high FODMAP lactose is drained off with the whey. The small amount of lactose left in the curd is then transformed into lactic acid as the cheese ripens. This means aged cheeses like Swiss cheese only contain very small or trace amounts of lactose per serving.
Yes, other low-lactose cheeses that are generally well-tolerated by people with IBS include Cheddar, Parmesan, Feta, Brie, Camembert, and goat cheese.
Lactose is the sugar in milk, and for those with lactose intolerance, there is a lack of the enzyme lactase in the system, which is needed for proper digestion. This can lead to IBS symptoms such as bloating, gas, and diarrhoea.
Yes, the high fat content of cheese can also trigger IBS symptoms, as it can slow down digestion and cause gas to travel more slowly through the gut, leading to cramping and pain. Aged cheeses can also be higher in histamine, which can trigger gut symptoms in sensitive individuals.

























