
The GAPS diet is a restrictive diet that is intended to treat autism spectrum disorder (ASD), attention-deficit/hyperactivity disorder (ADHD), dyslexia, and other mental health conditions. It is based on the theory that a leaky gut causes chemicals and bacteria to enter the bloodstream, leading to various health issues. The diet involves cutting out grains, pasteurized dairy, starchy vegetables, and refined carbohydrates, and instead consuming meat stocks, broths, soups, and fermented foods. While some people claim the diet has helped them, there is currently little scientific evidence to support its effectiveness, and it may lead to malnutrition or other negative side effects.
| Characteristics | Values |
|---|---|
| Purpose | Natural treatment for autism spectrum disorder (ASD), attention-deficit/hyperactivity disorder (ADHD), dyslexia, and other mental health conditions |
| Target group | People with autism, ADHD, dyslexia, and other mental health disorders |
| Foods to eat | All types of animal protein, non-starchy vegetables, fruits, organic meat and fish, bone broth, eggs, fermented foods, meat and fish stocks, soups, baked goods made from nut and/or seed flours |
| Foods to avoid | Grains, starchy vegetables, refined carbohydrates, pasteurized dairy, alcohol, packaged and tinned foods, preservatives, artificial colorants, chemicals, microwaved food |
| Preparation | Time-consuming, requires cooking most meals from scratch, following recipes from GAPS-approved sources |
| Benefits | Anecdotal reports of improved symptoms from a range of chronic health conditions, may improve gut health and overall wellness |
| Risks | Restrictive nature may lead to malnutrition, food poisoning (from raw and unpasteurized dairy and eggs), lower fiber intake, disordered eating, stress for caregivers |
| Effectiveness | Lack of scientific evidence and clinical studies, inconclusive research on the gut-brain connection and the role of "leaky gut" in autism and other conditions |
| Professional opinion | Consult a healthcare provider or registered dietitian before starting this or any other diet, especially with underlying health conditions |
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What You'll Learn

The GAPS diet is restrictive and time-consuming
The GAPS diet is a restrictive protocol that requires you to cut out many nutritious foods for long periods of time. It is an elimination diet that involves cutting out grains, pasteurized dairy, starchy vegetables, and refined carbohydrates. The diet is based on the theory that a "leaky gut" allows chemicals and bacteria to enter your bloodstream and cause health issues, including “brain fog" and autism. While the link between intestinal permeability and certain gut issues is established, there is little evidence that a leaky gut causes mental or neurological conditions.
The GAPS diet is restrictive and may lead to malnutrition, especially in children who need a lot of nutrients for growth. It may be challenging for those with autism who already have a restricted diet and may not easily accept new foods. The diet includes all types of animal protein but requires that they be cooked and served with allowed sauces and spices, which means preparing most meals at home. It also includes non-starchy vegetables, virtually all fruits, and fermented foods.
Preparing meals on the GAPS diet can be time-consuming, as it involves making homemade meat or fish stocks and fermented foods. The multi-phase diet can last from 1.5 to 2 years, and each phase must be followed until you can tolerate the foods introduced. The diet also requires consulting a book for a list of allowed foods and spending time meal prepping. The restrictive nature of the diet may also add stress for those with children who have disabilities or medical conditions.
The GAPS diet is not a weight-loss diet but a restrictive diet intended for the natural treatment of autism, ADHD, dyslexia, and other mental health conditions. While some people report improvements in various symptoms, there is little scientific evidence to support the GAPS diet, and it may not be necessary or effective for everyone.
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It may lead to malnutrition and deficiencies
The GAPS diet, short for "Gut and Psychology Syndrome", is a restrictive diet intended for the natural treatment of autism spectrum disorder (ASD), attention-deficit/hyperactive disorder (ADHD), dyslexia, and other mental health conditions. The diet is based on the theory that a "leaky gut" allows chemicals and bacteria from food and the environment to enter the bloodstream and affect brain function and development, causing "brain fog" and conditions like autism. The GAPS diet is designed to heal the gut and prevent toxins from entering the bloodstream, lowering overall "toxicity" in the body.
However, the GAPS diet is very restrictive and requires the elimination of many nutritious foods, including grains, pasteurised dairy, starchy vegetables, and refined carbohydrates. It also includes raw and unpasteurised dairy products, which may increase the risk of food poisoning. The diet recommends raw eggs, which can also pose food safety concerns. The heavy emphasis on fats and protein can lead to lower fibre intake, which is important for digestive health.
The restrictive nature of the GAPS diet may lead to malnutrition, especially in children who are growing and require a diverse range of nutrients. Children with autism or other behavioural conditions may have limited food choices and may not eat enough calories or nutrients, increasing the risk of malnutrition. The GAPS diet may also be challenging for families with children who have disabilities or medical conditions, as it requires significant time and effort to prepare special meals.
Additionally, the GAPS diet may lead to deficiencies in nutrition and growth, particularly in vulnerable young people for whom the diet is intended. The diet provides limited guidance on ensuring adequate nutrient intake, and those following the diet must refer to the GAPS diet book for a complete list of allowed foods. The GAPS diet may also contribute to disordered eating or orthorexia, an unhealthy obsession with consuming only "healthy" foods, which can negatively impact mental health.
While the GAPS diet has been anecdotally reported to improve symptoms of various health conditions, there is currently little scientific evidence supporting its effectiveness in treating autism or other conditions. Researchers have found links between gut health and the brain, but the role of a "leaky gut" in the development of mental or neurological conditions is not yet well understood. More research is needed to determine the benefits and risks of the GAPS diet and its potential impact on overall health.
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There is little evidence it helps with autism
The GAPS diet is a strict elimination diet that requires its followers to cut out grains, sugars, and other foods that are difficult to digest. The diet is promoted as a natural treatment for people with conditions that affect the brain, such as autism. The theory behind the GAPS diet is that a "leaky gut" causes many conditions that affect the brain, allowing chemicals and bacteria from food and the environment to enter the bloodstream and affect brain function and development.
However, there is little evidence that the GAPS diet helps with autism. Firstly, there have been virtually no clinical studies on the diet, and the few studies that have been conducted have been small and had high dropout rates. As a result, there is limited published evidence to suggest that following the GAPS diet is necessary to improve psychological or behavioral conditions associated with autism. While some people feel they have benefited from the GAPS diet, these reports are anecdotal, and it is difficult to stick to due to its restrictiveness.
Additionally, the GAPS diet is very restrictive, requiring followers to cut out many nutritious foods for long periods, which could lead to malnutrition, especially in children who are growing and have higher nutritional needs. Those with autism may already have a restrictive diet and may not readily accept the new foods or changes to their diet, leading to extreme restriction. Furthermore, the GAPS diet does not explicitly account for all nutritional needs, and followers may need to take additional supplements to ensure they are getting enough vitamins and minerals.
Finally, while there is some evidence of a link between autism and a "leaky gut", it is not clear if this is a cause or a symptom of autism. The claim that a leaky gut causes autism is controversial, and some scientists believe this explanation oversimplifies the causes of a complex condition. More research is needed to understand the role of a leaky gut in autism and whether the GAPS diet can effectively treat it.
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It may improve gut health and reduce bloating
The GAPS diet, which stands for "Gut and Psychology Syndrome", is based on the theory that a "leaky gut" is responsible for many conditions that affect the brain. Leaky gut syndrome refers to an increase in the permeability of the gut wall, allowing chemicals and bacteria from food and the environment to enter the bloodstream. The GAPS diet claims that by eliminating certain foods, toxins can be removed from the body, improving brain function and overall health.
The GAPS diet is a restrictive protocol that involves eliminating hard-to-digest foods such as grains, sugars, pasteurized dairy, starchy vegetables, and refined carbs. It encourages the consumption of animal protein, non-starchy vegetables, fruits, and fermented foods. The diet also recommends making homemade meat or fish stock and avoiding microwaving food.
While there is limited evidence to support the GAPS diet's effectiveness, some people have reported improvements in their gut health and a reduction in bloating while following this diet. The dietary changes associated with the GAPS diet, such as reducing processed foods and increasing the intake of whole foods, can lead to positive changes in the gut microbiome, which may contribute to decreased bloating.
However, it is important to note that the GAPS diet is very restrictive, and there are concerns about the risk of malnutrition and nutritional deficiencies. It may be challenging to stick to for long periods, especially for children or those with autism who may already have restricted diets. Before starting the GAPS diet or any restrictive dietary protocol, it is essential to consult with a healthcare provider or registered dietitian to ensure it is safe and appropriate for your individual needs.
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Consult a doctor before starting this diet
The GAPS diet is a restrictive protocol that involves cutting out many nutritious foods for long periods of time. It is not a weight-loss diet but a diet intended for the natural treatment of autism spectrum disorder (ASD), attention-deficit/hyperactivity disorder (ADHD), dyslexia, and other mental health conditions. The diet is based on the theory that a "leaky gut" causes chemicals and bacteria to enter the bloodstream and affect brain function and development, causing conditions like autism.
Before starting the GAPS diet, it is important to consult a doctor or a healthcare provider, especially if you have an underlying health condition. Here are some reasons why:
- Risk of malnutrition: The GAPS diet is very restrictive, and there is a risk of malnutrition, especially in children who are growing and need a lot of nutrients. Cutting out certain food groups may lead to deficiencies in essential nutrients, which can be harmful, especially to vulnerable young people.
- Food restrictions and sensitivities: The GAPS diet involves eliminating grains, pasteurized dairy, starchy vegetables, and refined carbohydrates. If you or your child have food aversions or sensitivities, the limited food options may make it challenging to get enough calories and nutrients.
- Time and stress: Preparing meals on the GAPS diet can be time-consuming, as it involves making homemade meat or fish stocks and fermented foods from scratch. This added burden of preparing special foods may not be manageable in the long term, especially for families with children who have disabilities or medical conditions.
- Individual health needs: The GAPS diet should be tailored to support individual health and lifestyle needs. A doctor can help you understand how to balance your meals according to your unique health requirements.
- Lack of scientific evidence: While some people claim that the GAPS diet has helped them, there is currently little scientific evidence to support its effectiveness in treating autism or other conditions. It is important to discuss with a healthcare professional whether this diet is the best choice for your specific needs and goals.
- Potential health risks: The GAPS diet incorporates raw and unpasteurized dairy products and raw eggs, which may increase the risk of food poisoning. Additionally, the heavy emphasis on fats and protein can lead to lower fiber intake, which is important for digestive health.
Overall, consulting a doctor before starting the GAPS diet is crucial to ensure that it is safe and suitable for your individual needs. They can provide guidance on how to properly implement the diet and monitor your health throughout the process.
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Frequently asked questions
GAPS stands for "Gut and Psychology Syndrome". It is a restrictive diet intended for the natural treatment of autism spectrum disorder (ASD), attention-deficit/hyperactivity disorder (ADHD), dyslexia, and other mental health conditions. The diet is based on the theory that a "leaky gut" causes chemicals and bacteria to enter the bloodstream, leading to various health issues.
The GAPS diet is claimed to improve gut health and reduce inflammation, which may contribute to certain neurodevelopmental conditions. It also promotes the consumption of nutrient-dense, whole foods, which can result in weight loss and reduced bloating.
The GAPS diet includes animal protein, non-starchy vegetables, fruits, fermented foods, organic meat and fish, and large amounts of certain fats. It also recommends the use of bone broth, coconut oil, and cold-pressed olive oil. Baked goods made from nut and seed flours are allowed in moderation.
Yes, the GAPS diet is very restrictive, eliminating grains, pasteurized dairy, starchy vegetables, and refined carbohydrates. This restrictiveness may lead to malnutrition, especially in children who need a variety of nutrients for growth and development. It can also be time-consuming and stressful to prepare the specialised meals required.
Yes, it is always recommended to consult your doctor or a registered dietitian before starting any new diet, especially if you have underlying health conditions. While the GAPS diet may offer potential benefits, there is limited scientific evidence to support its effectiveness in treating specific conditions.









































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