What is an AIP Diet? + Recipes

February 14, 2024

The Autoimmune Protocol (AIP) diet, often called the autoimmune diet, has emerged as a specialized approach to potentially alleviate the symptoms associated with various autoimmune disorders. Rooted in the principles of the anti-inflammatory diet, the AIP diet goes a step further by focusing on an elimination and reintroduction phase. This diet primarily targets individuals suffering from autoimmune diseases such as rheumatoid arthritis, inflammatory bowel disease (including Crohn's and ulcerative colitis), Hashimoto's thyroiditis, and other conditions that impact the immune system. The AIP diet aims to reduce inflammation and heal the gut lining, which is often compromised in autoimmune conditions, a phenomenon sometimes referred to as leaky gut syndrome.

The AIP diet starts with an elimination phase, where foods considered potential triggers for autoimmune conditions are avoided. These typically include grains, dairy products, food additives, and other inflammatory foods that can affect the gut microbiome and overall gut health. The theory behind the diet is that certain foods can cause chronic inflammation in the digestive tract, leading to a weakened gut lining and, consequently, an overactive immune response against healthy cells. After the elimination phase, the AIP diet moves into the reintroduction phase, where foods are gradually added back into the diet. This process helps identify specific food sensitivities and develop a long-term diet plan that manages symptoms effectively.

It's important to note that while the AIP diet can benefit some, it is not a one-size-fits-all solution and may lead to nutritional deficiencies if not properly managed. Consulting with a registered dietitian or healthcare provider is crucial before starting any new diet, especially one as specific as the AIP diet. 

In this guide, we'll delve into all aspects of the AIP diet, from its foundation in the paleo diet to its role in stress management and lifestyle changes. We'll explore how the diet can impact autoimmune conditions and provide practical advice for safely navigating the elimination and reintroduction phases. Our goal is to offer comprehensive insights into the AIP diet, helping you understand how it might fit into your journey towards better managing an autoimmune disorder.

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What are the benefits of the AIP Diet?

The Autoimmune Protocol (AIP) diet offers a range of potential benefits for individuals struggling with autoimmune disorders, such as:

  • Reduction in Inflammation: The AIP diet eliminates foods known to cause inflammation, such as dairy and processed foods, which can significantly reduce inflammatory symptoms. This decrease in inflammation is particularly beneficial for autoimmune conditions, where inflammation is a key contributor to symptoms.
  • Improved Gut Health: By removing potential irritants like grains and legumes, the AIP diet aims to heal the gut lining, addressing issues related to leaky gut syndrome. This focus on gut health can lead to better nutrient absorption and a healthier gut microbiome, which is essential for overall well-being.
  • Identification of Food Sensitivities: The reintroduction phase of the AIP diet allows individuals to methodically identify specific foods that trigger their symptoms. This personalized approach helps develop a long-term diet plan that avoids aggravating the autoimmune condition.
  • Nutrient-Dense Food Focus: The AIP diet encourages the consumption of nutrient-dense foods like vegetables and lean proteins, which can lead to an increased intake of essential vitamins and minerals. This focus on whole foods ensures a more balanced and nutritious diet.
  • Support for the Immune System: By targeting the factors that contribute to autoimmune reactions, the AIP diet can help modulate the immune system. This more balanced immune response can be crucial in effectively managing autoimmune diseases.
  • Encourages Healthy Lifestyle Changes: The AIP diet often leads to broader lifestyle changes beyond diet, including stress management and improved sleep. These changes can positively impact overall health and well-being, further supporting individuals with autoimmune conditions.

Remember, while the AIP diet offers many potential benefits, it's always important to consult with a healthcare provider before making significant changes to your diet, especially if you have an autoimmune condition.

What can you eat on the AIP diet?

  • Grass-fed Beef and Other Meats: On the AIP diet, you can enjoy grass-fed beef and other high-quality meats, which are rich in protein and essential nutrients, supporting healthy cells and the immune system.
  • Leafy Greens and Cruciferous Vegetables: Vegetables like kale, spinach, and broccoli are encouraged for their nutrient density, helping to combat nutritional deficiencies and support gut health.
  • Root Vegetables (excluding nightshades): Carrots, sweet potatoes, and beets are great choices, providing essential vitamins and minerals while being gentle on the digestive tract.
  • Fermented Foods (dairy-free): Foods like sauerkraut and kimchi, which are fermented without dairy, can promote gut health by enhancing the gut microbiome.
  • Bone Broth: Rich in nutrients and beneficial for gut lining repair, bone broth is a staple in the AIP diet, particularly beneficial for conditions like inflammatory bowel disease.
  • Seafood: Wild-caught fish and other seafood are excellent sources of omega-3 fatty acids, crucial for reducing inflammation and supporting overall health.
  • Fruit in Moderation: While the AIP diet limits sugar intake, fruits like berries and apples can be consumed in moderation, offering antioxidants and essential nutrients.
  • Healthy Fats: Sources like avocado, coconut oil, and olive oil are important for their anti-inflammatory properties and support of the digestive tract.
  • Herbs and Non-seed Spices: Herbs like basil, mint, and turmeric can be used for flavoring, providing health benefits without triggering autoimmune symptoms.
  • Natural Sweeteners (in moderation): Sweeteners like honey and maple syrup can be used sparingly, offering a natural alternative to processed sugars.
  • Non-Dairy Milk Alternatives: Coconut milk and other non-dairy alternatives are suitable for the AIP diet, providing options for those with dairy sensitivities.

Remember, the AIP diet is highly individualized. What works for one person may not work for another, especially in autoimmune diseases like Hashimoto's thyroiditis or celiac disease. Always consult with a healthcare professional before making significant dietary changes.


What should you avoid on the AIP diet?

  • Grains and Legumes: These are excluded in the AIP diet due to their potential to cause gut irritation and inflammation, which can aggravate autoimmune symptoms.
  • Dairy Products: Dairy is avoided as it can contribute to inflammatory responses and gut health issues, particularly in individuals with autoimmune conditions like Hashimoto's thyroiditis.
  • Nightshade Vegetables: Tomatoes, potatoes, peppers, and eggplants, among others, are eliminated due to their potential to trigger joint pain and inflammation in some autoimmune diseases.
  • Eggs: Excluded due to their potential to cause an immune reaction and exacerbate autoimmune symptoms, especially in conditions like inflammatory bowel disease.
  • Nuts and Seeds: These are avoided in the AIP diet as they can be difficult to digest and may contribute to intestinal permeability and inflammation.
  • Refined Sugars and Processed Foods: These contribute to chronic inflammation and nutritional deficiencies, thus are not recommended in the autoimmune protocol diet.
  • Artificial Sweeteners and Food Additives: Avoided due to their potential role in increasing gut permeability and triggering autoimmune reactions.
  • Vegetable Oils and Processed Fats: Oils like canola, sunflower, and corn oil are excluded due to their high omega-6 content, which can contribute to inflammation.
  • Alcohol and Caffeine: These are eliminated as they can irritate the gut lining and exacerbate symptoms of autoimmune conditions.
  • Non-Steroidal Anti-Inflammatory Drugs (NSAIDs): Though not a food, these are often avoided as they can damage the gut lining and worsen intestinal permeability.
  • Certain Spice-based Seed Products: Spices derived from seeds, such as mustard, cumin, and coriander, are excluded in the initial phase of the AIP diet to reduce potential inflammatory responses.

Remember, while the AIP diet can be highly beneficial for managing autoimmune conditions, it's important to approach it under the guidance of a healthcare professional, especially during the reintroduction phase to monitor the body's response to reintroduced foods.

Our Favorite AIP-Friendly Diet Recipes

Starting the AIP diet can initially seem daunting, especially when considering the range of foods to avoid. However, with enough planning and a bit of creativity in the kitchen, it's possible to adhere to this diet and enjoy it. The key to success with the AIP diet lies in focusing on the abundance of foods you can eat, rather than those you can't. Nutrient-dense foods like grass-fed beef, various vegetables (excluding nightshades), and healthy fats become the stars of your meals. By embracing these ingredients, you can create many delicious and nourishing dishes that cater to dietary restrictions and contribute to overall health and well-being.

Remember, the AIP diet is more than just a way of eating; it's an approach to managing autoimmune conditions and promoting a healthier lifestyle. Through this diet, you can work towards reducing chronic inflammation, healing your gut lining, and alleviating autoimmune symptoms. With the right approach to food choices and lifestyle changes like stress management, the autoimmune diet can be a powerful tool in your journey towards better health. Whether you're dealing with Hashimoto's thyroiditis, celiac disease, or any other autoimmune condition, the AIP diet offers a path to not just manage your symptoms but to thrive. So, embrace the challenge, get creative in the kitchen, and let the AIP diet be your ally in achieving better health and vitality.

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