
The Specific Carbohydrate Diet (SCD) is a restrictive, grain-free diet designed to help people with conditions such as Crohn's disease, ulcerative colitis, celiac disease, and inflammatory bowel disease (IBD). The diet eliminates sugars and hard-to-digest carbohydrates, allowing only specific types of carbohydrates that are easy for the body to break down and absorb. The goal of the SCD is to reduce intestinal inflammation, rebalance gut bacteria, and improve nutrient absorption. While the SCD has shown promise in improving symptoms for some people with IBD, there is limited research on its long-term effectiveness and safety. The duration of detox symptoms when strictly following the SCD diet may vary depending on individual factors, with some people reporting improvements within a few days to weeks, while others may take longer to see results. It is important to closely monitor overall health, nutrition, and symptoms during this process.
| Characteristics | Values |
|---|---|
| Diet Type | Specific Carbohydrate Diet (SCD) |
| Diet Goal | Eliminate foods that may cause dysbiosis and replace them with foods that support the growth of beneficial bacteria, rebalance the microbiome, improve nutrient absorption, and restore the gut. |
| Diet Composition | Monosaccharides, which are simple carbohydrates. |
| Foods to Eat | Fresh fruits, vegetables, meat without additives, poultry, fish, shellfish, eggs, and homemade yogurt. |
| Foods to Avoid | Starches, grains, corn, potatoes, processed or canned foods, milk products (except for highly fermented yogurt), and sugar. |
| Detox Symptoms | Diarrhea, brain fog, irritability, moodiness, anxiety, bloating, and gas. |
| Timeframe | Variable, but typically a few days for the introductory diet, followed by months or years of the main diet. Some people may follow SCD for life. |
| Precautions | Consult a healthcare provider before starting the diet. Keep a food journal to track symptoms and progress. |
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What You'll Learn
- The Specific Carbohydrate Diet (SCD) is a restrictive, grain-free diet
- SCD eliminates sugars and hard-to-digest carbs like grains and starches
- The diet may cause detox symptoms like brain fog, irritability, and bloating
- It's important to monitor symptoms and laboratory studies during the diet
- SCD may be effective for reducing IBD symptoms and inducing remission

The Specific Carbohydrate Diet (SCD) is a restrictive, grain-free diet
The SCD is based on the principle that not everyone's digestive system can easily process complex carbohydrates and sugars. By limiting these carbohydrates, the diet aims to prevent the buildup of undigested food that can feed harmful bacteria in the gut, leading to bacterial overgrowth, irritation, and inflammation. The diet works by starving these bacteria and promoting the growth of beneficial bacteria, thereby restoring balance to the gut flora.
The allowed carbohydrates on the SCD are simple monosaccharides, which are easily digested and absorbed in the intestines. These include fruits, honey, properly prepared yogurt, certain vegetables, and nuts. Complex carbohydrates, such as disaccharides and polysaccharides, are not permitted. Additionally, the SCD excludes grains, such as wheat, barley, corn, rye, oats, rice, and buckwheat, as well as processed meats, canned vegetables, and most fruit juices due to the presence of added sugars and preservatives.
The SCD is typically introduced with an initial phase that focuses on anti-inflammatory foods and can last between one to five days, depending on the severity of symptoms. This introductory phase is important as it helps to eliminate any potential food allergens and prepare the body for the diet. During this time, individuals may experience changes in stool colour, indicating the die-off of bacterial overgrowth and the beginning of the healing process.
While the SCD has helped improve the quality of life for many individuals with IBD and other digestive issues, it is important to note that the diet is restrictive and may not be suitable for everyone. It is always recommended to consult a healthcare professional before starting any new diet, especially when managing specific health conditions. Additionally, the SCD should be closely monitored by a healthcare provider to ensure overall well-being and nutritional status.
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SCD eliminates sugars and hard-to-digest carbs like grains and starches
The Specific Carbohydrate Diet (SCD) is a restrictive, grain-free diet that eliminates sugars and hard-to-digest carbohydrates like grains and starches. It is designed to help people with gastrointestinal conditions such as Crohn's disease, ulcerative colitis, celiac disease, diverticulitis, cystic fibrosis, chronic diarrhea, and irritable bowel syndrome. The diet is based on the understanding that these diseases are the consequence of an overgrowth and imbalance of intestinal microbial flora. By altering the nutrition we take in, we can affect the constitution of our intestinal flora, bringing it back into balance, healing our digestive tracts, and restoring proper absorption.
The SCD diet allows for easily digestible foods like fresh fruits, most vegetables, unprocessed meats, additive-free poultry, fish, and shellfish, additive-free and sugar-free oils, white vinegar, cider, mustard, and homemade yoghurt. It bans starches, grains, processed foods, and lactose-heavy dairy. The diet is low in processed foods, food additives, and preservatives, which can contribute to gut inflammation. It is important to note that the SCD diet is not a traditional detox, but rather a gut-healing journey.
The introductory phase of the SCD diet usually lasts between one and five days, and the number of days completed depends on the individual's symptoms and tolerance for the food. This phase is important as it helps to clean out the system, allowing the body to begin the healing process. During this time, individuals may experience changes in stool colour, which is likely due to the die-off of bacterial overgrowth.
After the introductory phase, the SCD diet is typically divided into three main dietary phases, with each step differing in terms of allowed foods, challenges, and monitoring methods. It is important to closely monitor overall well-being and nutritional status during these phases. The SCD diet can be challenging due to the restriction of entire food groups, and there is a risk of malnutrition and unhealthy weight loss. Therefore, it is recommended to consult with a healthcare provider before starting this diet.
The duration of detox symptoms when following the SCD diet strictly can vary depending on the individual. Some people may experience mild symptoms for a shorter duration, while others may have more severe or prolonged symptoms. It is important to remember that each person's experience with the diet may be different, and modifications may be necessary to meet individual needs.
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The diet may cause detox symptoms like brain fog, irritability, and bloating
The Specific Carbohydrate Diet (SCD) is a therapeutic, gut-healing protocol that eliminates hard-to-digest carbohydrates, allowing only simple carbohydrates that can be easily absorbed by the body. While the SCD diet can provide relief from symptoms of inflammatory bowel disease (IBD) and other digestive disorders, it may also cause detox symptoms such as brain fog, irritability, and bloating.
The SCD diet was first developed in the 1920s by Dr. Sidney Haas to treat celiac disease, a digestive and autoimmune disease that can cause symptoms like diarrhea, bloating, and weight loss. The diet gained popularity in the late 1980s when Elaine Gottschall published a book describing how it improved her daughter's IBD symptoms.
The SCD diet eliminates all grains, milk products (except for highly fermented yogurt), and sugars. It focuses on simple carbohydrates, such as monosaccharides, that can be directly absorbed through the intestinal lining without requiring enzymatic breakdown. By removing complex carbohydrates, the diet aims to starve non-beneficial microbes in the small intestine that feed on undigested carbs, leading to bacterial overgrowth and inflammation.
During the early stages of the SCD diet, detox symptoms may occur as pathogenic microbes die off. These symptoms can include brain fog, irritability, fatigue, and mood shifts. It is important to closely monitor overall well-being and nutritional status during this time. The duration of these detox symptoms can vary depending on individual factors and the specific implementation of the diet.
While the SCD diet has been found to reduce bloating for many individuals, it may also cause temporary bloating during the initial detox phase. This is due to the die-off of pathogenic microbes and the subsequent restoration of microbial balance in the gut. Additionally, the strict elimination of entire food groups, such as grains and sugars, may be challenging and contribute to irritability. It is important to slowly reintroduce illegal foods and closely monitor symptoms to ensure that inflammation is not rebounding.
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It's important to monitor symptoms and laboratory studies during the diet
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 removes all grains, milk products (except for highly fermented yoghurt), and sugars from the diet. While the SCD has shown promising results in treating these conditions, it is important to closely monitor symptoms and laboratory studies during the diet to ensure its effectiveness and safety.
Firstly, it is crucial to understand that the SCD is not a one-size-fits-all solution. Each individual's experience with the diet may vary, and it is important to tailor the diet plan accordingly. Before starting the SCD, individuals and their families should educate themselves about the diet and prepare for the challenges ahead. This includes understanding the allowed and restricted foods, as outlined in the book "Breaking the Vicious Cycle".
During the introductory phase of the SCD, it is common to experience a "die-off" reaction, where the body releases toxins as the bad bacteria in the gut die off. This can result in symptoms such as diarrhoea, brain fog, irritability, bloating, and gas. It is important to monitor these symptoms closely and ensure they do not worsen or persist for an extended period. Keeping a food journal can help identify connections between specific foods and any adverse reactions, allowing for a better understanding of the diet's impact.
Additionally, regular check-ups with a healthcare provider are essential during the SCD. These check-ups should include a full physical examination, including a weight check, to ensure the individual is maintaining their weight or experiencing minimal weight loss. Laboratory studies, such as complete blood count, sedimentation rate, C-reactive protein, and albumin levels, should also be monitored to ensure they remain within acceptable ranges. PCDAI/PUCAI scores, which are validated measures of inflammatory bowel disease, can provide an objective assessment of the diet's effectiveness.
Furthermore, the reintroduction of foods after following the SCD for an extended period should be done gradually and closely monitored. Stool calprotectin levels should be tested before and after reintroducing a new food to ensure that inflammation is not rebounding. This slow and careful approach allows for the identification of any trigger foods and ensures the maintenance of the positive effects of the diet.
In conclusion, while the SCD has shown potential in treating gastrointestinal conditions, it is important to closely monitor symptoms and laboratory studies during the diet. This includes tracking progress, identifying any adverse reactions, and ensuring overall health and nutritional status. Regular check-ups with healthcare providers and gradual food reintroductions are key components of successfully implementing the SCD and ensuring its effectiveness and safety for each individual.
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SCD may be effective for reducing IBD symptoms and inducing remission
The Specific Carbohydrate Diet (SCD) is a diet that removes all grains, milk products (except for highly fermented yogurt), and sugar from the diet. The diet is based on the theory that inflammatory bowel diseases (IBD) like ulcerative colitis, Crohn's disease, and irritable bowel syndrome are the consequence of an overgrowth and imbalance of intestinal microbial flora.
By eliminating specific foods, the SCD aims to improve dysbiosis and mucosal integrity in IBD. Research shows that the SCD can be effective in reducing symptoms and inducing remission in people with IBD. For example, a study that included survey information from 417 people with ulcerative colitis found that 33% of participants reported remission at two months after starting the SCD, and 42% reported achieving remission at six and 12 months. Another study in 50 adult IBD patients following the SCD found that 91.3% of patients felt the diet was effective for controlling flares, and 92.1% rated the diet as effective for maintaining remission.
However, it is important to note that the SCD is not a cure-all and may not work for everyone. Some people may find the diet confusing and overwhelming, and it is important to closely monitor individuals for overall well-being and nutritional status during the three phases of the diet. The SCD is usually used as a temporary diet, and most people start reintroducing foods after months or years of following the diet. However, some people may need to follow the diet for life to control IBD symptoms or remain in remission.
The introductory phase of the SCD typically lasts between one and five days, depending on the severity of symptoms. During this time, food intake is limited to easily digested foods such as dry curd cottage cheese, eggs, diluted apple cider and grape juice, homemade gelatin, and chicken noodle soup. After the introductory phase, the diet focuses on eliminating foods that contain disaccharides, polysaccharides, and starches, as these complex carbohydrates are harder to digest and may contribute to intestinal inflammation. Instead, the diet includes foods that are composed mostly of monosaccharides, which are simple carbohydrates that are easily absorbed into the bloodstream and used for energy.
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Frequently asked questions
The Specific Carbohydrate Diet (SCD) is a restrictive, grain-free diet designed to help manage gastrointestinal conditions such as Crohn's disease, ulcerative colitis, celiac disease, diverticulitis, cystic fibrosis, and chronic diarrhea. The diet allows some carbs and bans others based on how hard they are to digest.
The detox period of the SCD diet usually lasts between one and five days, depending on the severity of your symptoms. The detox period is referred to as the intro diet and is meant to correct malabsorption issues and prepare your body for healing.
The SCD diet allows for fresh fruit, most vegetables, meat without additives, and homemade yogurt. It is recommended that you read labels carefully, as many foods contain carbohydrates that are forbidden on the SCD diet.
The SCD diet has been shown to improve symptoms in people with inflammatory bowel disease (IBD). It is also believed to help rebalance gut bacteria, reduce inflammation, and improve nutrient absorption.











































