
The Specific Carbohydrate Diet (SCD) is a restrictive grain-free diet designed to help manage gastrointestinal conditions such as Crohn's disease, ulcerative colitis, and celiac disease. The diet eliminates sugars and hard-to-digest carbohydrates like grains and grain products, allowing only specific types of carbs that are mostly composed of monosaccharides, which are simple carbohydrates that the body can easily break down. While oatmeal is a whole grain that contains important nutrients and is often recommended as a healthy breakfast option, it is not allowed on the SCD diet because it falls under the category of grains and grain products that are restricted. This restriction is put in place to reduce harmful gut bacteria by removing hard-to-digest carbs, which can lead to an overgrowth of bacteria that irritate the intestines and cause inflammation.
| Characteristics | Values |
|---|---|
| Type of diet | Restrictive, grain-free |
| What it eliminates | Sugars, grains and grain products, starches, processed foods, lactose-heavy dairy |
| What it includes | Carbohydrates that are easy to digest, fresh fruits, vegetables, unprocessed meats, homemade yoghurt |
| Purpose | Reduce harmful gut bacteria, manage gastrointestinal conditions, treat inflammatory bowel diseases (IBD) |
| Oatmeal | Not allowed as it is a grain product, but a modified version of the SCD diet permits oatmeal |
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What You'll Learn

Oatmeal is a grain product
Steel-cut oats, sometimes called Irish or Scottish oats, are oat groats that have been chopped or sliced into smaller pieces. They have a chewy texture and nutty flavor and are commonly used for porridge. Rolled oats, also known as old-fashioned oats, are oat groats that have been steamed and flattened. They can be cooked into oatmeal, baked into bread and muffins, or roasted into granola. Rolled oats are also the basis for instant oatmeal, which is processed to facilitate quicker cooking times.
Oats are considered a whole grain because they retain all three of their original, edible parts: the bran layer, which is high in fiber and B vitamins; the germ, which contains healthy oils and other nutrients; and the starchy endosperm. Whole grains are generally considered beneficial and healthy, and oatmeal is no exception. The high fiber content of oats has been linked to improved digestive issues, such as diarrhea, constipation, and irritable bowel syndrome. Oats are also a good source of beta-glucan soluble fiber, which has been associated with a reduced risk of coronary heart disease.
However, it is important to note that while oats are naturally gluten-free, they may be contaminated with gluten-containing kernels of wheat, barley, or rye during the growing, storage, or transportation process. This can be a concern for individuals with celiac disease or gluten sensitivities. As a result, those with gluten sensitivities may wish to choose oats specifically labeled "gluten-free."
Now, let's turn our attention to the Specific Carbohydrate Diet (SCD). The SCD is a diet designed to help manage symptoms of digestive disorders such as inflammatory bowel disease (IBD), Crohn's disease, and celiac disease. The diet eliminates hard-to-digest carbohydrates, including all grains and grain products, as well as reducing sugar intake. The goal is to reduce intestinal inflammation and promote the growth of beneficial bacteria in the gut, thereby improving nutrient absorption and reducing gut symptoms.
Given that oatmeal is a grain product, it is not allowed on the SCD diet. However, it is important to note that there is a modified version of the SCD (mSCD) that allows for the introduction of other healthy foods outside the normal parameters of the diet, including some grains. Additionally, less restrictive versions of the SCD that allow some grains have been shown to have a positive effect on symptoms and inflammation in people with IBD.
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Oats are hard to digest
The SCD diet is designed to help people with conditions such as Crohn's disease, ulcerative colitis, celiac disease, diverticulitis, cystic fibrosis, and chronic diarrhea. It is based on the theory that certain carbohydrates are harder to digest and may contribute to intestinal inflammation. By eliminating these hard-to-digest carbs, the diet aims to reduce harmful gut bacteria and improve gut health.
Oats are a type of grain that contains complex carbohydrates, which take longer to break down and can be difficult for some people to digest. This is especially true for people with digestive disorders or conditions that affect the intestines and gut.
While oats are not allowed on the traditional SCD diet, there is a modified version of the diet that allows for more food options, including oats, rice, and soy. This modified SCD diet may be better tolerated by some individuals with IBD, as it provides more variety and flexibility in food choices.
It is important to note that dietary needs vary for each individual, and it is always recommended to consult with a healthcare provider before starting any new diet, especially if you have a medical condition. They can provide personalized advice and guidance based on your specific needs and requirements.
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Oatmeal contains starches
The Specific Carbohydrate Diet (SCD) is a diet that eliminates sugars and hard-to-digest carbohydrates like grains and grain products. The goal of the SCD diet is to eliminate foods, beverages, and ingredients that may contribute to dysbiosis, which is when there is an imbalance in the microbiome of the digestive system. The diet is often recommended for people with Crohn's disease, celiac disease, and other digestive disorders.
Oatmeal is a whole grain and a source of both starch and fiber. Starch is a type of complex carbohydrate, and oatmeal contains about 60% starch. As a carbohydrate, the starch in oatmeal provides the body with energy. Oatmeal is also rich in soluble fiber, which helps to keep hunger at bay and lower blood cholesterol levels.
Because oatmeal contains starch, it is not allowed on the SCD diet. The SCD diet eliminates all grains and grain products and greatly reduces sugar intake. Instead, the diet includes carbohydrates that are easier for the body to break down and absorb. This helps to reduce intestinal inflammation and improve nutrient absorption.
While oatmeal is not allowed on the SCD diet, it is a nutritious food that can be a healthy addition to a typical diet. Oatmeal is low in calories, high in fiber, and a good source of nutrients like thiamine, iron, zinc, manganese, and selenium. It is also fat-free and has beneficial effects on blood glucose levels.
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Oatmeal is processed
The SCD diet is centered around the concept that foods containing one sugar molecule, such as glucose, are more easily digested and absorbed, which can help to halt the growth of bad bacteria and improve the balance of gut microorganisms. Along with easily digested carbohydrates, the SCD diet includes probiotics in the form of yogurt that has been fermented for 24 hours to eliminate lactose. This diet is also low in processed foods, food additives, and preservatives, as these have been linked to gut inflammation.
While the SCD diet is typically a restrictive, grain-free diet, there is a modified version of the SCD diet that allows for more food options, such as oatmeal, rice, or soy. This modified version of the diet is intended for people with IBD who may benefit from having more food options. It is important to note that the modified version of the diet still emphasizes the importance of introducing new foods gradually and tolerating them to ensure adequate nutrition.
The effectiveness of the SCD diet in treating symptoms of Crohn's disease has been mixed. While some studies have shown reduced indicators of inflammation on the SCD diet, other studies have found that a modified SCD diet permitting oats and rice resulted in the greatest reduction in inflammation. It is worth noting that the SCD diet may not be feasible for everyone due to its significant restrictions, potential for nutrient deficiencies, and the difficulty of maintaining the diet.
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Oatmeal is high in sugar
Oatmeal is not allowed on the Specific Carbohydrate Diet (SCD) as it is high in sugar. The SCD diet is a restrictive, grain-free eating plan designed to help manage gastrointestinal conditions such as Crohn's disease, ulcerative colitis, and celiac disease. It is based on the theory that certain carbohydrates are harder to digest and can contribute to intestinal inflammation and an imbalance of microorganisms in the gut. By eliminating these hard-to-digest carbs, the SCD diet aims to reduce harmful gut bacteria, improve nutrient absorption, and strengthen the gut.
Oatmeal, while being a good source of complex carbohydrates, also contains a significant amount of natural sugar. This sugar is released during digestion, causing a spike in blood sugar levels. For individuals with digestive disorders or insulin sensitivity, this spike in blood sugar can be detrimental to their health and worsen their symptoms. Additionally, the sugar in oatmeal can feed the harmful bacteria in the intestines, leading to an overgrowth that irritates the intestines and contributes to inflammation.
The SCD diet focuses on consuming carbohydrates that are easily digestible and do not cause spikes in blood sugar. These carbohydrates are mostly composed of monosaccharides, which are simple sugars that the body can readily absorb and utilize for energy. Complex carbohydrates, such as those found in oatmeal, take longer to break down and can be harder for some individuals to digest fully.
While oatmeal is not allowed on the standard SCD diet, a modified version of the diet, known as the modified SCD (mSCD) diet, may include oatmeal in limited quantities. The mSCD diet is a variation of the SCD diet that reintroduces select healthy whole foods to offer patients more options and potentially feed a more diverse microbiome. However, it is important to note that the inclusion of oatmeal in the mSCD diet is still restricted to a maximum of two servings per day or between three to six servings per week.
It is important for individuals considering the SCD diet or the mSCD diet to consult with their healthcare provider first. While the diets have shown promise in reducing inflammation and improving symptoms in individuals with IBD, they can also lead to malnutrition and unhealthy weight loss if not carefully monitored and supplemented appropriately. Additionally, the diets may not be feasible for everyone, and personalized modifications may be necessary to ensure adequate nutrition and gut health.
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Frequently asked questions
The Specific Carbohydrate Diet (SCD) is a restrictive, grain-free diet. Oats are a grain product and are therefore not allowed on the SCD diet.
The SCD diet is a grain-free eating plan designed to help manage gastrointestinal conditions such as Crohn's disease, ulcerative colitis, and celiac disease.
The SCD diet includes easily digestible foods like fresh fruits, most vegetables, unprocessed meats, and homemade yogurt.
The SCD diet bans grains, starches, processed foods, and lactose-heavy dairy.
The SCD diet is centered around the concept that foods containing one sugar molecule, such as glucose, are more easily digested and absorbed. This is thought to improve the balance of gut microorganisms and reduce harmful gut bacteria.











































