
Corn is a staple food for many cultures worldwide, but is it a good choice for people on a FODMAP diet? FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides, and polyols, which are short-chain carbohydrates that can trigger digestive issues like gas, bloating, abdominal pain, and changes in bowel movements. A low-FODMAP diet helps manage these symptoms, and while it can be restrictive, corn and some corn products can be included in moderation. The FODMAP culprit in corn is sorbitol, a naturally occurring polyol, and the sweeter the corn, the higher the FODMAP content. So, while a single ear of corn is high FODMAP, other types of corn like canned corn, baby corn, creamed corn, and corn tortillas are lower in FODMAPs and can be enjoyed during the elimination phase of a low-FODMAP diet.
| Characteristics | Values |
|---|---|
| Corn products that are low FODMAP | Corn tortillas, polenta, cornmeal, popcorn, corn starch, corn chips, baby corn, corn tortillas, corn flour, corn flakes |
| Corn products that may be low FODMAP in small servings | Sweet corn, corn cobs, canned corn, creamed corn |
| Corn products that are not low FODMAP | Corn bread, muffins, corn flakes with gluten |
| Corn's role in a FODMAP diet | Corn is a low-FODMAP food that can be eaten in small servings. It is gluten-free and a good source of magnesium and phosphorus. |
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What You'll Learn
- Corn is a low-FODMAP food when eaten in small servings
- Corn tortillas, polenta, cornmeal, and other foods made from ground corn are OK to eat during the elimination phase
- Canned corn is safer than fresh corn
- Corn is a staple food for people with gluten sensitivities or celiac disease
- The FODMAP culprit in corn is sorbitol, a naturally occurring polyol

Corn is a low-FODMAP food when eaten in small servings
Corn is a versatile ingredient and a staple food for many people, especially those with gluten sensitivities. It is also a low-FODMAP food when consumed in small servings. FODMAP is an acronym for fermentable oligosaccharides, disaccharides, monosaccharides, and polyols—short-chain carbohydrates that can be poorly absorbed in the small intestine, leading to digestive issues.
The main FODMAP culprit in corn is sorbitol, a naturally occurring polyol. The sweeter the corn, the higher the FODMAP content. Therefore, a single ear of corn is considered a high-FODMAP serving, while other types of corn are lower in FODMAPs when consumed in small portions. For example, canned corn may have a lower FODMAP content in small servings, provided that the water from the can is drained. FODMAPs are water-soluble, so draining and rinsing canned corn can help remove some of the FODMAP content. A low-FODMAP serving of canned corn is about 2.6 ounces or 75 grams.
There are several corn products that can be enjoyed as part of a low-FODMAP diet. These include polenta, corn tortillas, corn starch, corn chips, and popcorn. For instance, two corn tortillas with added gums or fibres are considered low-FODMAP, while three tortillas without added gums or fibres fall into this category. Additionally, a serving of up to seven cups of popcorn is considered low-FODMAP, as long as it is not sweetened with high-fructose corn syrup.
It is important to note that while corn can be a part of a low-FODMAP diet, the FODMAP content varies depending on the variety or cultivar of corn, as well as its processing and cooking methods. Therefore, it is always a good idea to check the FODMAP ratings of specific corn products and be mindful of portion sizes to ensure they fall within the low-FODMAP range.
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Corn tortillas, polenta, cornmeal, and other foods made from ground corn are OK to eat during the elimination phase
Corn is a low-FODMAP food when eaten in small servings. The FODMAP culprit in corn is sorbitol, a naturally occurring polyol, which is a type of short-chain carbohydrate found in some fruits and vegetables that can trigger symptoms of medically diagnosed Irritable Bowel Syndrome (IBS). The sweeter the corn, the higher the FODMAP content. Therefore, a single ear of corn is considered a high-FODMAP serving, but other types of corn are lower in FODMAPs.
There are many corn products that can be enjoyed on a low-FODMAP diet. These include:
- Corn tortillas (with added gums or fibre): low FODMAP in a serving of 2 tortillas.
- Corn tortillas (without added gums or fibre): low FODMAP in a serving of 3 tortillas.
- Corn chips: low FODMAP in a serving of 50 grams.
- Popcorn: low FODMAP in a serving of 7 cups or 120 grams.
- Corn starch: low FODMAP in a serving of 100 grams.
- Polenta (cornmeal): low FODMAP in a serving of 255 grams.
It is important to note that the FODMAP content of corn can vary depending on the variety or cultivar of the plant, as well as how it is processed or cooked. For example, canned corn may have a lower FODMAP content than fresh corn, as the FODMAPs may dissolve to some degree in the water. Additionally, the FODMAP content of corn products can be affected by the inclusion of other ingredients, such as wheat flour or high-fructose corn syrup.
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Canned corn is safer than fresh corn
Corn is a staple food for many people around the world. It is a versatile ingredient and a good source of gluten-free dietary fibre and essential nutrients like magnesium and phosphorus.
However, corn contains a polyol called sorbitol, which is what gives the grain its sweetness. The sweeter the corn, the higher the FODMAP content. A single ear of corn is considered a high-FODMAP serving, but other types of corn are lower in FODMAPs. For example, popcorn is a low-FODMAP food, as is baby corn.
Canned corn may have a lower FODMAP content in small servings as long as you drain the water from the can. FODMAPs are water-soluble, so they may dissolve to some degree in the water. When you drain and rinse canned corn, you are removing some of the FODMAP content. A low-FODMAP serving of canned corn is about 2.6 ounces (75g).
Canned corn is also a better value than fresh corn. Fresh corn has a lot of waste material attached to it, from the leaves to the silk to the cob. This reduces the total volume of edible food. In addition, removing the waste material takes time and effort.
Furthermore, scientists at Cornell University have reported that canned corn may be healthier than corn on the cob because the heating processes involved in canning the vegetable raise the levels of naturally occurring compounds that help fight disease. The heat processing enhances levels of antioxidants and phenolics (a naturally occurring type of phytochemical found in many fruits and vegetables). Processing at 115°C for 25 minutes elevated total phenolics by 32%. Ferulic acid, the predominant phenolic compound in sweet corn, was up by 550%.
Therefore, canned corn is safer than fresh corn in terms of FODMAP content, value for money, and health benefits.
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Corn is a staple food for people with gluten sensitivities or celiac disease
Corn is a versatile crop found in many forms across the modern diet. While corn does not contain gluten, the protein in corn can mimic gluten in how it's perceived by the body. For some people, especially those with gluten sensitivities or celiac disease, the immune system can react to corn proteins as if they were gluten, triggering similar symptoms.
Corn is a type of grain, as are wheat, barley, and rye. However, corn is from a different branch of the grain family than the gluten grains wheat, barley, and rye. Corn contains a substance known as "corn gluten," but this is not the same gluten that people with celiac disease or gluten sensitivity need to avoid. Some researchers have proposed that corn gluten affects the body in ways similar to how gluten protein in wheat, barley, and rye do. However, studies on the subject remain limited, and few have demonstrated evidence in support of the theory.
In general, eating corn should not pose a problem for those on a gluten-free diet, but it's important to know how your corn was prepared and whether there is a risk of cross-contamination. Carefully reading the label and ingredients list will help, but you may need to contact the manufacturer of a corn product directly. For those with gluten sensitivity, it is suggested to permanently remove corn from their diets. Cross-reactive foods, while not actually containing gluten, will do equal damage to the body.
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The FODMAP culprit in corn is sorbitol, a naturally occurring polyol
Corn, also known as maize, is a cereal grain that is widely cultivated and consumed around the globe. It is a staple food for many cultures and is an important source of dietary fibre, magnesium, and phosphorus. For individuals with irritable bowel syndrome (IBS), corn can be included in a low-FODMAP diet, but it is essential to understand the FODMAP culprits within corn.
However, other types of corn and corn-based products have lower FODMAP levels. Canned corn, for instance, may have a lower FODMAP content in small servings if the water is drained. Draining and rinsing canned corn helps remove some of the FODMAP content. A low-FODMAP serving of canned corn is approximately 2.6 ounces or 75 grams. Popcorn is another example of a low-FODMAP corn variety, as long as it is not sweetened with high-fructose corn syrup.
Additionally, corn tortillas, polenta, cornmeal, maize flour, and other foods made from corn starch or corn flour are generally safe to consume during the elimination phase of a low-FODMAP diet, as long as other high-FODMAP ingredients are not added. These corn-based products provide versatile options for individuals following a low-FODMAP diet.
It is important to note that determining the FODMAP level of corn depends on the form it comes in and the portion size. While corn can be included in a low-FODMAP diet, moderation and attention to serving sizes are crucial to managing IBS symptoms effectively.
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Frequently asked questions
FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides, and polyols. These are types of short-chain carbohydrates that can cause digestive issues such as bloating, gas, abdominal pain, and changes in bowel movements. A FODMAP diet involves eating low-FODMAP foods and avoiding high-FODMAP ones.
Low-FODMAP foods include poultry, meat, and fish, rice, peanuts, and some fruits and vegetables. Corn is also considered a low-FODMAP food, especially when eaten in small servings.
Fresh sweet corn, canned corn kernels, canned baby corn, creamed canned corn, and popcorn are all low-FODMAP. Corn flour, polenta, corn starch, and corn tortillas are also low-FODMAP.
You can enjoy corn in moderation as part of a low-FODMAP diet. Drain and rinse canned corn to remove some of the FODMAP content. You can also add drained corn kernels to soups and stews, use cornstarch as a thickening agent, or include polenta as a side dish.











































