
The Autoimmune Protocol (AIP) diet is a science-based elimination and reintroduction diet and lifestyle protocol. It is designed to be soothing and followed for a maximum of three months. The AIP diet focuses on repairing gut health, balancing hormones, and regulating the immune system. It involves removing foods that are commonly associated with food sensitivities, allergies, or that have the potential to promote inflammation. The AIP diet is based on the 4R model, which stands for remove, replace, reinoculate and repair, with some sources adding a fifth R for rebalance. The diet consists of two main phases: the elimination phase, which is the most restrictive portion of the diet, and the reintroduction phase, where foods are added back in one by one.
| Characteristics | Values |
|---|---|
| Dietary approach | Elimination and reintroduction of food groups |
| Dietary focus | Anti-inflammatory, nutrient-dense foods |
| Lifestyle focus | Sleep, stress management, movement, connection |
| Duration | Maximum of three months |
| Phases | Elimination, reintroduction |
| Food quality | Grass-fed, wild-caught, pasture-raised, organic, non-GMO |
| Food preparation | Minimally processed |
| Food sources | Meat, poultry, fish, eggs, vegetables |
| Food restrictions | Legumes, nuts, seeds, dairy, gluten, cereals |
| Support | AIP community, health coaches, dietitians |
| Challenges | Cravings, restricted diet, social situations, disordered eating triggers |
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What You'll Learn

The AIP diet is an elimination diet
The Autoimmune Protocol (AIP) diet is a science-based elimination and reintroduction diet and lifestyle protocol. It is a temporary elimination diet that works to help reduce inflammation or other symptoms caused by autoimmune conditions like Hashimoto's thyroiditis. The AIP diet is specifically designed to be a soothing diet, not a way of eating for the rest of your life. Therefore, it is recommended to follow the autoimmune protocol for a maximum of three months, after which you can increase your range of foods one food at a time and monitor your body's reactions.
The AIP diet is based on the 4R model in functional medicine, which stands for Remove, Replace, Reinoculate, and Repair. The fifth "R" is Rebalance, which is considered a very important factor in the quest for better well-being. The AIP diet focuses on repairing gut health, balancing hormones, and regulating the immune system. The dietary component includes removing food-driven sources of inflammation and restoring nutrient density, while the lifestyle component includes approaches to sleep, stress management, movement, and connection.
The AIP diet has two phases: the "elimination phase" and the "reintroduction phase". The elimination phase is the most restrictive portion of the diet and is often what is referred to as the AIP diet. It is recommended to follow this portion for 30-90 days, while some may comply for longer. During the elimination phase, specific foods and western dietary patterns that have been shown to disrupt gut health are eliminated. The reintroduction phase involves slowly reintroducing foods one by one to monitor for any reactions.
The AIP diet is a modification of the Paleolithic (Paleo) diet, promoting the way our prehistoric ancestors ate and rejecting modern-day, processed foods. The quality of food consumed on the AIP diet is just as important as the types of food. This includes high-quality standards such as grass-fed, wild-caught, pasture-raised, organic, and non-GMO food sources.
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It focuses on gut health and reducing inflammation
The Autoimmune Protocol (AIP) diet is a multiphase anti-inflammatory plan that focuses on gut health and reducing inflammation. It is designed to cut out and replace certain foods known for being inflammatory triggers with nutrient-dense foods to improve gut health, balance hormones, and regulate the immune system. The AIP diet is based on the 4R model, which stands for remove, replace, reinoculate, and repair. The fifth "R" is "rebalance", which is crucial for stress management, an important root cause of autoimmune diseases.
The AIP diet is an elimination diet, which means that it involves not eating certain types of food for several weeks at a time and carefully noting any effects on health. The first phase is the ""elimination phase", which is the most restrictive portion of the diet and is recommended to be followed for 30-90 days. The second phase is the "reintroduction phase", where foods are reintroduced one by one to monitor any reactions. The AIP diet recommends consuming foods that are as close to nature as possible, such as grass-fed, wild-caught, pasture-raised, organic, and non-GMO food sources.
The AIP diet eliminates pro-inflammatory foods and supports the body with large amounts of nutrient-dense foods. It focuses on repairing damage to the mucosal lining of the intestines, also known as "leaky gut". There is evidence that suggests a link between gut health and inflammatory disease, and studies indicate that there may be a link between bacterial growth in the gut and inflammatory and autoimmune diseases. A healthy gut has low permeability, acting as a good barrier to prevent food and waste remains from leaking into the bloodstream. A leaky gut allows foreign particles to cross over into the bloodstream, possibly causing inflammation.
The AIP diet has been used with some success in patients with Hashimoto's thyroiditis, rheumatoid arthritis, Crohn's disease, ulcerative colitis, eczema, and psoriasis. However, it is important to note that there is limited research on the AIP diet, and it may not reduce inflammation or disease-related symptoms in all people with autoimmune disorders. It is always recommended to discuss any big dietary changes with a doctor or a registered dietitian, especially when dealing with inflammatory conditions.
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It is not a long-term diet
The AIP (Autoimmune Protocol) diet is a multiphase anti-inflammatory plan that eliminates certain foods, such as grains and dairy products, to identify whether they are causing inflammation or other symptoms related to autoimmune diseases. It is not meant to be a long-term diet, and experts recommend following it for only up to three months. This is because it is very restrictive, and remaining in the elimination phase for too long may increase the risk of developing nutrient deficiencies and poor health over time.
The AIP diet is designed to be a soothing diet for a few months at most, after which a reintroduction phase should be implemented. This is because the diet is not meant to be a way of eating for the rest of your life, and long-term adherence can result in nutrient deficiencies and other complications. The reintroduction phase is crucial and should not be skipped, as it helps identify which foods may be triggering specific symptoms.
The AIP diet is particularly challenging for vegetarians and vegans, as it eliminates many plant-based protein sources, such as legumes and nuts. While mushrooms are a good vegan source of protein, they do not provide all the essential amino acids. Therefore, a purely AIP vegan diet is not recommended.
Additionally, the AIP diet can be stressful for the body if too many changes are made simultaneously. It is important to consider an individual's situation and make gradual changes to their diet, especially if their life is already hectic. The AIP diet is also not a structured plan, making it challenging to determine if a modified version is suitable for an individual's unique needs.
In conclusion, while the AIP diet can be beneficial for managing symptoms of autoimmune diseases, it is not intended as a long-term solution. It is essential to work with a doctor or dietitian to create a personalized diet that meets an individual's nutritional needs and helps manage their symptoms effectively.
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It is based on the 4R or 5R model
The AIP (Autoimmune Protocol) diet is based on the 4R or 5R model, which is a functional medicine approach to healing the body and improving overall well-being. The four Rs stand for "remove, replace, reinoculate, and repair", and the fifth R, "rebalance", was added later to emphasise the importance of stress management in the protocol.
The "remove" phase involves eliminating foods and medications that are believed to cause inflammation, imbalances in gut bacteria, or an abnormal immune response. This includes grains, legumes, nuts, seeds, nightshade vegetables, eggs, dairy, tobacco, alcohol, coffee, oils, food additives, refined and processed sugars, and certain medications.
The "replace" phase focuses on replacing inflammatory or trigger foods with health-promoting, nutrient-dense whole foods. These include grass-fed meats, wild-caught fish, organic vegetables, bone broth, organ meats, and fermented foods.
The "reinoculate" phase is about restoring the gut with beneficial bacteria, which can be achieved through consuming fermented foods and probiotics.
The "repair" phase aims to give the gut time to heal by reducing inflammation and improving gut health. This is done by following the diet and lifestyle recommendations in the AIP protocol.
The "rebalance" phase recognises the importance of stress management in the protocol. It involves addressing lifestyle factors such as sleep, stress management, movement, and connection with others and nature, which can help manage autoimmune diseases.
It is important to note that the AIP diet is not meant to be followed long-term, and it is recommended to follow the elimination phase for a maximum of three months before gradually reintroducing other foods and monitoring the body's reactions.
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It is a modification of the Paleolithic diet
The Autoimmune Protocol (AIP) diet is an extension of the Paleolithic diet with an autoimmune twist. The Paleolithic diet, also known as the hunter-gatherer diet, is based on the presumed eating habits of early humans during the Paleolithic era, which ended around 10,000 years ago with the development of agriculture. The AIP diet incorporates many of the principles of the paleo diet, such as consuming foods that are as close to nature as possible, including grass-fed, wild-caught, pasture-raised, organic, and non-GMO food sources.
The AIP diet is a science-based elimination and reintroduction diet and lifestyle protocol designed to repair gut health, balance hormones, and regulate the immune system. It focuses on removing food-driven sources of inflammation and restoring nutrient density. The diet consists of two main phases: the elimination phase and the reintroduction phase. During the elimination phase, which typically lasts between 30 to 90 days, individuals remove multiple food groups that may act as antigens, stimulate mucosal inflammation, or trigger dysbiosis within the gastrointestinal tract. These foods include grains, legumes, nightshades, eggs, dairy, nuts and seeds, coffee, alcohol, refined and processed sugars, and industrial seed oils, as well as food additives and non-steroidal anti-inflammatory drugs.
The reintroduction phase involves slowly reintroducing eliminated foods one by one to identify unique food groups that cause symptoms or aggravate diseases. The AIP diet is not intended to be followed long-term and is recommended for a maximum of three months. After this period, individuals should gradually increase the range of foods and monitor their body's reactions. The AIP diet is not a very one-sided diet if properly structured, but it can be challenging for vegetarians and vegans to ensure they are getting enough protein and essential amino acids.
The AIP diet has been studied for its potential benefits in managing gastrointestinal disorders, including inflammatory bowel disease (IBD), Crohn's disease, and ulcerative colitis. Research suggests that the AIP diet may help improve symptoms and quality of life in individuals with these conditions. However, it is important to note that the AIP diet is not intended as a low-carbohydrate diet, and individuals should be mindful of maintaining a healthy level of carbohydrate intake through vegetable consumption.
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Frequently asked questions
The Autoimmune Protocol diet (AIP) is a science-based elimination and reintroduction diet and lifestyle protocol. It focuses on repairing gut health, balancing hormones, and regulating the immune system.
The AIP diet consists of two main phases: the elimination phase, which is the most restrictive portion of the diet, and the reintroduction phase, where you can slowly add foods back in one by one to monitor your body's reactions.
The AIP diet encourages the consumption of a variety of minimally processed, nutrient-dense foods. This includes high-quality proteins such as grass-fed meat, wild-caught fish, and organ meats. It is also important to eat foods that are as close to nature as possible, including organic, pasture-raised, and non-GMO options.
The AIP diet eliminates potentially inflammatory foods that can trigger or exacerbate autoimmune conditions. This includes foods commonly associated with food sensitivities, allergies, or that have the potential to promote inflammation. Legumes, nuts, and seeds should also be avoided initially due to the presence of lectins, which can cause gut leakage.
The AIP diet is a temporary diet and is not meant to be followed for the rest of your life. It is recommended to follow the elimination phase for a maximum of three months, and then slowly reintroduce other foods while monitoring your body's reactions.







































