
Mushrooms are versatile ingredients, but they are often labelled as high FODMAP foods. However, not all mushrooms are high in FODMAPs, and some can be enjoyed as part of a low-FODMAP diet. FODMAP stands for Fermentable Oligo-, Di-, Mono-saccharides and Polyols, which are short-chain carbohydrates that the small intestine cannot efficiently absorb. This can cause bloating and discomfort for many people. The FODMAP content of mushrooms varies depending on the type and serving size, so it's important to understand which mushrooms are low-FODMAP to make informed dietary choices.
| Characteristics | Values |
|---|---|
| Fresh Shiitake Mushrooms | High FODMAP |
| Dried Shiitake Mushrooms | Low FODMAP in small quantities |
| Fresh Button Mushrooms | High FODMAP |
| Canned Button Mushrooms | Low FODMAP |
| Portobello Mushrooms | High FODMAP |
| Enoki Mushrooms | High FODMAP |
| Dried Porcini Mushrooms | Low FODMAP in small quantities |
| Oyster Mushrooms | Low FODMAP |
| Canned Champignon Mushrooms | Low FODMAP |
| Black Fungi Mushrooms | Low FODMAP in 1-cup serves |
| Shimeji Mushrooms | Low FODMAP in 1-cup serves |
| Bolete Mushrooms | Untested |
| Chanterelle Mushrooms | Untested |
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What You'll Learn

Oyster mushrooms are low FODMAP
Oyster mushrooms are the only mushroom variety that is safe to eat in full servings for those on a low-FODMAP diet. They are also the only mushroom variety that is safe to eat in double servings. Monash University has rated Oyster mushrooms as low FODMAP in 1 cup serves. They have a slightly sweet and subtle nutty flavor and are incredibly versatile, making them a favorite for many. They can be added to soups, stews, sauces, stir-fries, and risottos. Just remember to add them in during the last few minutes of cooking.
Oyster mushrooms are also a great option for children with IBS. They are mild in taste and adaptable, making them a popular choice among kids. They can be included in various dishes, such as stir-fries and risottos.
If you are in the first phase of a low-FODMAP diet, it is recommended to stick to fresh oyster mushrooms as the FODMAP content of dried oyster mushrooms is unknown.
Overall, oyster mushrooms are a safe and delicious option for those following a low-FODMAP diet.
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Canned mushrooms are often low FODMAP
Canned champignon mushrooms, also known as canned white button mushrooms, are low FODMAP at a serving size of 40 grams or half a cup. However, at a serving size of 61 grams or more, they contain a moderate amount of mannitol, a type of FODMAP. It is important to rinse and drain canned mushrooms before use, as the FODMAP content can leach into the canning liquid, reducing the overall FODMAP content of the mushrooms themselves.
While fresh button mushrooms are high in FODMAPs, the canning process lowers their FODMAP content. This is because FODMAPs are water-soluble, and they can leach out of the food into the canning liquid. This makes canned mushrooms a convenient option for those following a low-FODMAP diet, as they can be easily incorporated into various dishes without causing digestive issues.
It is important to note that not all mushrooms are high in FODMAPs, and some varieties, such as oyster mushrooms and dried shiitake mushrooms, are considered low FODMAP. However, other types, such as enoki mushrooms and fresh shiitake mushrooms, are high in FODMAPs and should be consumed in moderation or avoided by those following a low-FODMAP diet. Overall, the FODMAP content of mushrooms can vary depending on the type, serving size, and preparation method, so it is essential to check the FODMAP levels of specific mushroom varieties before consumption.
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Fresh button mushrooms are high FODMAP
FODMAP is an acronym for Fermentable Oligo-, Di-, Mono-saccharides, and Polyols. The term FODMAP refers to any short-chain carbohydrate that the small intestine cannot efficiently absorb, which can cause bloating and discomfort.
Fresh button mushrooms are high in FODMAPs and should be avoided during the first phase of a low-FODMAP diet. They are high in mannitol and moderate in fructans, which can trigger painful symptoms in people with IBS or similar inflammatory digestive diseases. However, it is important to note that not all mushrooms are high in FODMAPs, and some varieties are considered low FODMAP choices even in multiple servings.
The FODMAP content of mushrooms can be affected by various factors, such as preparation methods and serving sizes. For example, canned champignon mushrooms, also known as canned button mushrooms, are much lower in FODMAPs compared to their fresh counterparts because the FODMAPs leach out into the canning liquid. Similarly, while dried shiitake mushrooms are considered high in FODMAPs, they can be tolerated in smaller quantities due to the reduced FODMAP content per serving.
It is worth noting that individual tolerance to FODMAPs may vary. While some individuals may experience flare-ups or symptoms after consuming FODMAPs, others may not be affected. Therefore, it is important to understand your body and consult reliable sources, such as the Monash University FODMAP Diet app, to determine which mushrooms are suitable for your specific needs and restrictions.
Overall, while fresh button mushrooms are high in FODMAPs, there are alternative mushroom varieties and preparation methods that can be enjoyed as part of a low-FODMAP diet.
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Dried shiitake mushrooms are low FODMAP in small servings
It is important to remember that not all mushrooms have the same FODMAP content, and different people may be able to tolerate different varieties. Serving size also plays a significant role in determining whether a food is suitable for a low-FODMAP diet.
Dried shiitake mushrooms are one example of a mushroom variety that can be consumed in small servings by those on a low-FODMAP diet. According to Monash University, dried shiitake mushrooms are low FODMAP in 7-gram portions, which is approximately two mushrooms. However, it is important to note that the size of dried shiitake mushrooms can vary, so it is recommended to use weight as a guide rather than counting the number of mushrooms.
Shiitake mushrooms are popular in Asian cuisines and are known for their rich umami flavor. While fresh shiitake mushrooms are high in polyol-mannitol, making them less suitable for a low-FODMAP diet, the drying process reduces their FODMAP content. It is important to start with small servings and gradually increase the amount to determine your personal tolerance level.
In addition to dried shiitake mushrooms, there are several other mushroom varieties that are considered low FODMAP. Oyster mushrooms, for example, are well-known for being low FODMAP and can be consumed in larger servings without triggering digestive issues. Canned champignon mushrooms are also a good option for those on a low-FODMAP diet, as the canning process reduces their FODMAP content.
It is worth noting that while some mushrooms are suitable for a low-FODMAP diet, others should be avoided or consumed in moderation. For example, enoki mushrooms, commonly found in Asian recipes, have high FODMAP levels even in small servings. Dried porcini mushrooms can also be challenging for those with IBS, as their FODMAP content varies with quantity. It is always recommended to understand your individual tolerance and start with small servings when trying new foods.
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Enoki mushrooms are high FODMAP
FODMAP is an acronym that stands for Fermentable Oligo-, Di-, Mono-saccharides, and Polyols. These are short-chain carbohydrates that the small intestine cannot efficiently absorb, which can cause bloating and discomfort.
Enoki mushrooms are delicate and stringy fungi commonly found in Asian soups and salads. Unfortunately, they are high in FODMAP, even in half serving sizes. This means that they may not be the best choice for those wanting to keep their gut calm and composed.
If you are following a low-FODMAP diet, there are still some mushroom varieties that you can enjoy. Oyster mushrooms, for instance, are low FODMAP in 1-cup servings. They have a slightly sweet and subtle nutty flavor that goes well in soups, stews, and sauces. Canned champignon mushrooms, or canned white mushrooms, are another great option. The canning process causes many FODMAPs to leach out into the canning liquid, making the mushrooms themselves more gut-friendly. Just be sure to drain and rinse them before use.
It is important to note that everyone is different, and while one person may tolerate certain foods just fine, another might find them triggering. It is always a good idea to consult a doctor or dietitian before making any significant changes to your diet.
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Frequently asked questions
FODMAP stands for Fermentable Oligo-, Di-, Mono-saccharides and Polyols. It refers to short-chain carbohydrates that the small intestine cannot efficiently absorb.
No, while most mushrooms are high FODMAP, some are low FODMAP, including certain types of oyster, shiitake, and champignon mushrooms.
Oyster mushrooms are low FODMAP in 1-cup servings. Canned champignon mushrooms are low FODMAP at a serving size of 6 mushrooms or 1/2 cup. Dried shiitake mushrooms are low FODMAP at a serving size of 2 mushrooms. Dried porcini mushrooms are low FODMAP at a serving size of 1 tablespoon.
Fresh button, portobello, enoki, and shiitake mushrooms are high FODMAP. Dried porcini mushrooms are low FODMAP in small quantities but become high FODMAP in larger servings.

























