
The AIP (Autoimmune Protocol) diet is an elimination diet that aims to reduce inflammation and symptoms caused by autoimmune disorders. The AIP diet focuses on eliminating foods that trigger negative autoimmune responses and replacing them with health-promoting, nutrient-dense foods that are thought to help heal the gut. The diet involves removing foods that are allergy-producing, pro-inflammatory, or impair gut permeability. During the elimination phase, the diet recommends avoiding grains, legumes, nuts, seeds, nightshade vegetables, eggs, dairy, red meats, added sugars, refined oils, seed oils, coffee, tea, alcohol, and certain medications. Nuts are commonly restricted on the AIP diet because people with autoimmune diseases often develop food intolerances to them, and they are one of the most allergenic foods. However, some studies have shown that nut consumption can decrease markers of inflammation and provide benefits to gut microbiome health.
| Characteristics | Values |
|---|---|
| Type of Diet | Autoimmune Protocol (AIP) Diet |
| Diet Similarity | Paleo Diet |
| Diet Goal | Reduce inflammation and symptoms caused by autoimmune disorders |
| Diet Phases | Elimination Phase and Reintroduction Phase |
| Foods to Avoid | Nuts, seeds, grains, legumes, nightshade vegetables, eggs, dairy, red meats, added sugar, refined oils, seed oils, beverages like coffee and alcohol |
| Foods to Consume | Whole foods, fresh fruits, vegetables, minimally processed animal products, vegetable oils, fermented probiotic-rich foods, non-seed derived spices, natural vinegar, bone broth |
| Nut Consumption | Restricted due to common food intolerance in people with autoimmune diseases |
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What You'll Learn

Nuts are restricted on the AIP diet because they are common allergens
The AIP (Autoimmune Protocol) diet is an elimination diet that aims to reduce inflammation and symptoms caused by autoimmune disorders. It involves removing foods from the diet and then gradually replacing them while monitoring the body's reaction. The AIP diet focuses on eliminating foods that trigger negative autoimmune responses and replacing them with health-promoting, nutrient-dense foods that are thought to help heal the gut and reduce inflammation and symptoms of autoimmune diseases.
The AIP diet's elimination phase involves removing foods that are believed to cause gut inflammation, disrupt the balance of good and bad bacteria in the gut, or trigger an immune response. Nuts, especially walnuts, pistachios, almonds, and chestnuts, have been shown to benefit the gut microbiome due to their prebiotic fiber content. However, due to their allergenic potential, nuts are eliminated during the initial phase of the AIP diet.
During the elimination phase, other foods such as grains, legumes, seeds, nightshade vegetables, eggs, dairy, red meats, added sugars, refined oils, seed oils, coffee, tea, alcohol, and certain medications are also avoided. The elimination phase typically lasts between 30 to 90 days, after which the reintroduction phase begins, where foods are slowly added back into the diet one by one while closely monitoring for any symptoms.
While nuts are restricted initially, they may be reintroduced during the reintroduction phase, depending on the individual's tolerance and the guidance of a healthcare professional. It is important to consult a healthcare provider before making any drastic dietary changes, especially when following a specific protocol like the AIP diet.
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The AIP diet is an elimination diet
The first phase of the AIP diet is the elimination phase, which typically lasts between 30 and 90 days. During this phase, foods that are believed to cause gut inflammation, imbalances in gut bacteria, or an abnormal immune response are removed. This includes grains, legumes, nuts, seeds, nightshade vegetables, eggs, dairy, red meats, added sugars, refined oils, seed oils, beverages such as coffee and alcohol, tobacco, and certain medications. The elimination phase also encourages the consumption of fresh, nutrient-dense foods such as fresh fruit, bone broth, minimally processed meat, and fermented foods.
The second phase of the AIP diet is the reintroduction phase, during which eliminated foods are slowly added back into the diet one by one while symptoms are closely monitored. Foods that produce symptoms should continue to be eliminated.
While the AIP diet has shown promising results for managing inflammation and symptoms of autoimmune disorders, it is important to consult a healthcare professional before making any drastic dietary changes. Seeking professional guidance can help individuals pinpoint which foods may be causing their specific symptoms and ensure they continue to meet their nutrient requirements throughout all phases of the diet.
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The AIP diet aims to reduce inflammation
The AIP (Autoimmune Protocol) diet is a multiphase anti-inflammatory plan that aims to reduce inflammation and relieve other symptoms of autoimmune disorders. It is designed to help reduce inflammation, pain, or other symptoms caused by autoimmune diseases. Autoimmune diseases cannot be cured, but their symptoms can be managed. The AIP diet aims to help manage inflammation through an elimination diet. It involves removing foods from the diet, then replacing them gradually while assessing the body's reaction.
The AIP diet focuses on eliminating foods that may cause inflammation and replacing them with health-promoting, nutrient-dense foods that are thought to help heal the gut and reduce inflammation and symptoms of autoimmune diseases. It also removes certain ingredients like gluten, which may cause abnormal immune responses in susceptible individuals. The AIP diet is similar to the paleo diet, but it is usually stricter. It primarily involves eliminating certain foods that may cause inflammation and reintroducing them gradually once symptoms improve.
The first phase of the AIP diet can last from four to six weeks and up to a few months. During this phase, you eliminate certain foods, additives, and medications believed to cause intestinal inflammation, an imbalance in your gut microbiota, or a worsened immune system response. Some of the foods you eliminate during this phase include grains (especially gluten-containing grains), legumes (including beans, peas, and lentils), nightshade vegetables, dairy products, processed foods, refined sugars, nuts, and seeds. You also want to eliminate the use of tobacco and nonsteroidal anti-inflammatory medications (NSAIDs).
During the elimination phase, you may consume moderate amounts of fresh fruit, bone broth, minimally processed meat, and other items. An AIP diet avoids all processed foods, alcohol, additives, refined sugars, coffee, tea, oils, and certain medications. In the elimination phase, a person will also avoid foods such as grains, legumes, dairy, eggs, and nightshade vegetables, but they may reintroduce these later. After working through the elimination and reintroduction stages, you can stay on the AIP diet indefinitely.
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The AIP diet is similar to the paleo diet
The Autoimmune Protocol (AIP) diet is an elimination diet that aims to reduce inflammation and symptoms caused by autoimmune disorders. It focuses on supporting the immune system and is specifically designed for people with autoimmune conditions. The AIP diet involves removing foods from the diet and then gradually reintroducing them while monitoring the body's reaction. It eliminates certain ingredients like gluten, grains, legumes, nuts, seeds, nightshade vegetables, eggs, and dairy. It also avoids processed foods, alcohol, additives, refined sugars, coffee, tea, oils, and certain medications.
Both diets focus on improving health and reducing inflammation. The paleo diet believes that humans function optimally on a diet similar to that of our ancestors. The AIP diet takes this concept further, addressing underlying inflammation, particularly in the gut, which can be a major driver of autoimmune diseases. It aims to bring the gut microbiota back into balance while optimizing overall nutrient intake.
The AIP diet consists of two main phases. The first phase is the elimination phase, where foods believed to cause gut inflammation or an immune response are removed. The second phase is the reintroduction phase, where eliminated foods are gradually reintroduced while monitoring for any symptoms. This process helps identify and avoid foods that may trigger inflammation or disease-specific symptoms.
While the AIP diet is similar to the paleo diet in terms of allowed and avoided foods, it is more focused on autoimmune wellness. It is often chosen by individuals with autoimmune diseases or those experiencing symptoms indicative of autoimmune conditions. The AIP diet also emphasizes the importance of other lifestyle factors, such as exercise, sleep, and stress management, in managing autoimmune diseases.
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Nuts have proven benefits for gut health
The AIP (Autoimmune Protocol) diet is an elimination diet that aims to reduce inflammation and symptoms caused by autoimmune disorders. It involves removing foods and medications believed to cause inflammation, imbalances in gut bacteria, or an abnormal immune response. The AIP diet focuses on eliminating these foods and replacing them with health-promoting, nutrient-dense foods that are thought to help heal the gut and reduce inflammation.
Nuts have been proven to benefit the gut microbiome due to their prebiotic fiber content. Fiber provides many health benefits. While your body can’t digest fiber, the bacteria in your colon can. The bacteria in your gut then ferment the fiber and turn it into beneficial short-chain fatty acids (SCFAs). These SCFAs have powerful benefits, including improving gut health and reducing your risk of diabetes and obesity.
Walnuts, in particular, have been found to increase the abundance of key probiotic strains of bacteria, including Bifidobacterium, Lactobacillus, Ruminococcaceae, Faecalibacterium, Clostridium, Dialister, and Roseburia, while decreasing pathogenic strains. This shift in the microbiome is associated with reduced inflammation and lower LDL cholesterol. Almonds, pistachios, and chestnuts have also been found to have proven benefits for the gut microbiome.
Nuts are also a good source of copper, a mineral that aids immune function and blood vessel development. Additionally, they are high in healthy unsaturated fats, protein, fiber, and other nutrients. For example, peanuts and pecans contain lots of B vitamins, while almonds are rich in calcium and vitamin E. All nuts contain magnesium, and walnuts contain folate, vitamin E, and alpha-linoleic acid (ALA), an omega-3 fatty acid.
However, it is important to note that tree nuts are one of the most allergenic foods, and people with autoimmune diseases are more likely to develop a food intolerance to nuts and seeds. As a result, nuts are restricted on the AIP diet. Nevertheless, for those who can consume them, nuts have proven benefits for gut health.
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Frequently asked questions
No, nuts are not allowed on the AIP diet.
The AIP diet is an elimination diet that focuses on removing foods that cause inflammation and gut issues, which are often associated with autoimmune disorders. Nuts are restricted because they are one of the most allergenic foods and people with autoimmune diseases commonly develop intolerance to them.
The AIP diet aims to reduce inflammation and symptoms associated with autoimmune disorders. It also promotes the consumption of nutrient-dense, anti-inflammatory foods that are thought to help heal the gut and improve overall gut health.
The AIP diet includes whole foods such as fresh fruits, non-starchy vegetables, minimally processed animal products, fermented probiotic-rich foods, and natural sweeteners like honey and maple syrup.
There are few downsides to trying the AIP diet, especially under the supervision of a medical professional. However, it may be challenging due to the restriction of many common foods and the need to prepare meals from scratch. Additionally, more research is needed to confirm the effectiveness of the AIP diet in treating autoimmune disorders.











































