
The low-FODMAP diet is a temporary eating plan that helps people with irritable bowel syndrome (IBS) and small intestinal bacterial overgrowth (SIBO) identify which foods are problematic and which foods reduce symptoms. FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides, and polyols, which are short-chain carbohydrates that are resistant to digestion. Meat, poultry, and fish are naturally free of FODMAPs, but processed and marinated meats may contain FODMAPs due to the addition of high FODMAP ingredients such as garlic and onion.
| Characteristics | Values |
|---|---|
| Type of diet | Low-FODMAP |
| Purpose | Identify food triggers in people with functional gastrointestinal disorders, such as IBS and SIBO |
| Foods to eat | Plain meat, fish, poultry, eggs, plant-based milk alternatives, gluten-free foods, approved plant proteins (tempeh, firm tofu), fats and oils, beverages (water, coffee, tea) |
| Foods to avoid | Processed and marinated meats, high-FODMAP ingredients (wheat, garlic, onion), carbonated drinks, alcohol, caffeine |
| Process | Elimination, reintroduction, personalisation |
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What You'll Learn

Plain meat, poultry, and eggs are low-FODMAP foods
The low-FODMAP diet is a temporary eating plan that helps people with irritable bowel syndrome (IBS) and small intestinal bacterial overgrowth (SIBO) identify which foods are problematic and which reduce symptoms. FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides and polyols, which are short-chain carbohydrates that the small intestine absorbs poorly. These short-chain carbs are resistant to digestion and are categorized as dietary fiber.
When following a low-FODMAP diet, it is best to limit alcohol and caffeine consumption. Even when these beverages are low-FODMAP, the alcohol and caffeine content may contribute to gastrointestinal symptoms. Carbonated drinks may also cause bloating, even when the ingredients are low-FODMAP, so they should be limited to avoid confusion with symptoms.
It is important to consult with a dietitian or doctor before starting a low-FODMAP diet, as it is very restrictive and challenging during the first phase. The diet is meant to be a temporary approach to help manage symptoms while identifying specific FODMAP triggers. Once you know which FODMAP groups trigger a reaction, you can reintroduce the ones that don't and modify your diet to increase variety while adjusting the type and amount of FODMAP carbs consumed.
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Processed meats like sausages and salami are high-FODMAP
The low-FODMAP diet is an elimination diet that helps identify specific food triggers in people with functional gastrointestinal disorders, such as IBS. FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides, and polyols, which are types of carbohydrates that can resist digestion.
Protein foods such as meats, poultry, and fish are naturally free of FODMAPs. However, processed meats like sausages and salami are high-FODMAP. This is due to the addition of high-FODMAP ingredients such as garlic and onion. Sausages and salami are also often preserved with nitrates, which can be a trigger for some people.
Some people on a low-FODMAP diet may be able to tolerate small amounts of these processed meats, while others may need to avoid them completely. It's important to note that individual sensitivity to FODMAPs can vary, and some people may find that they can tolerate certain foods on the list of foods to avoid.
There are some low-FODMAP sausage options available, although they may be difficult to find. Some examples of low-FODMAP sausages include:
- Aidell's Habanero & Green Chile Sausage
- Applegate Classic Pork Breakfast Sausage
- Savory Turkey Breakfast Sausage
- Brooklyn Cured Breakfast Links
- Chef Martin Jalapeno Cheddar Bratwurst Sausage
In addition to processed meats, other high-FODMAP foods include fruits, vegetables, grains, cereals, nuts, legumes, lentils, dairy foods, and manufactured foods. It can be tricky to follow the FODMAP diet, as FODMAPs are found in a wide variety of foods.
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Marinated meats may contain FODMAPs due to garlic and onion
The low-FODMAP diet is often prescribed for people with functional gastrointestinal disorders such as irritable bowel syndrome (IBS) and small intestinal bacterial overgrowth (SIBO). It is an elimination diet that helps identify specific food triggers in sensitive people. FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides and polyols—a type of short-chain carbohydrate that can resist digestion.
Meats, poultry, and fish are naturally free of FODMAPs. However, processed and marinated meats may contain FODMAPs due to the addition of high-FODMAP ingredients such as garlic and onion. Garlic and onion are both rich in fructans, a type of FODMAP. FODMAPs from these ingredients can dissolve into other ingredients such as butter, and infused oils may also contain FODMAPs if not prepared correctly.
Therefore, when following a low-FODMAP diet, it is important to be cautious with marinated meats and ask for the ingredients used in the marinade. It is recommended to stick to plain cooked meats, poultry, and seafood.
It is important to note that tolerance levels vary between individuals, and it is always good to talk to your doctor before starting a new diet, especially one as restrictive as the low-FODMAP diet.
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Low-FODMAP diets help manage symptoms of IBS
IBS, or irritable bowel syndrome, is a gastrointestinal disorder characterised by a heightened gut sensitivity and abnormal contractions of the digestive system's muscles, which affect bowel movements. While IBS cannot be cured, it can be managed through a low-FODMAP diet, which can help to minimise the condition's impact on overall health and quality of life.
FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides and polyols. These are types of carbohydrates that can resist digestion and are found in certain foods, including wheat and beans. FODMAPs have been linked to digestive symptoms such as gas, bloating, stomach pain, diarrhoea, and constipation.
The low-FODMAP diet is an elimination diet, often prescribed for IBS, that helps identify specific food triggers in sensitive people. It involves removing FODMAPs from the diet and then gradually reintroducing them one at a time to monitor symptoms. This process helps individuals with IBS determine which foods to limit in the future. The diet is meant to be followed for a limited time, as it is very restrictive, and it is recommended to consult a doctor or dietitian before starting.
Research has found that the low-FODMAP diet reduces IBS symptoms in up to 86% of people. One study reported a 76% improvement in symptoms among IBS patients following the diet. The diet gives the digestive system a rest and allows the gut lining to repair itself, helping to restore a healthy balance of gut flora.
In addition to the low-FODMAP diet, other therapies such as antibiotics, laxatives, and low-dose antidepressants can also be used to relieve IBS symptoms.
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Low-FODMAP diets are not intended to be long-term
The low-FODMAP diet is a specific approach to identifying and reducing foods that may be irritating your gut and causing gastrointestinal distress. It is often prescribed as an elimination diet to identify food triggers in those who have functional gastrointestinal disorders, such as IBS and SIBO. FODMAP is an acronym for a certain class of carbohydrates, called fermentable short-chain carbohydrates, which are more difficult for people to digest.
The low-FODMAP diet is not intended to be a long-term diet but rather a temporary approach to help manage symptoms while identifying specific FODMAP triggers. By following a low-FODMAP diet, individuals can determine which FODMAPs they are intolerant of and then tailor their diet to avoid or limit these types of carbohydrates while still maintaining a nutritionally balanced diet. It is a systematic elimination process that is strict in the short term, but not a lifestyle diet. The intent is to isolate food triggers and then reintroduce as many foods as possible.
The diet has three phases: an elimination phase, a reintroduction phase, and a maintenance phase that is customized to the individual. During the elimination phase, you will avoid all high-FODMAP foods for several weeks. Your symptoms may improve immediately or over several weeks. The reintroduction phase involves introducing FODMAPs one at a time to identify which foods you can tolerate and in what amounts. Finally, in the personalization phase, you will modify your diet to increase variety while adjusting the type and amount of FODMAP carbs consumed, based on what you learned in the previous phase.
The low-FODMAP diet is not meant for weight loss, but it can be challenging during the first, most restrictive phase. It is important to work with a doctor or dietitian to ensure you are following the diet correctly and maintaining proper nutrition. The diet is intended to be temporary and restrictive to determine which foods are troublesome for you.
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Frequently asked questions
A low-FODMAP diet is an elimination diet that helps identify specific food triggers in people with functional gastrointestinal disorders like IBS. It involves reducing certain carbohydrates that are hard to digest, such as fermentable oligosaccharides, disaccharides, monosaccharides, and polyols.
Plain cooked meats, poultry, and seafood are naturally free of FODMAPs and are suitable for a low-FODMAP diet. However, processed, marinated, or pre-seasoned meats may contain FODMAPs due to the addition of high-FODMAP ingredients like garlic and onion.
Dairy products, eggs, plant-based milk alternatives (such as soy milk, almond milk, and rice milk), gluten-free grains, and most seeds are usually well-tolerated on a low-FODMAP diet.
The low-FODMAP diet is not intended to be a long-term diet. It is typically followed for a short period to identify specific FODMAP triggers and manage symptoms. After the elimination and reintroduction phases, the personalisation phase involves reintroducing the FODMAP groups that do not trigger a reaction.











































