by Rachel Stuck, RDN
Autoimmune protocol (AIP) is an elimination diet recommended primarily to individuals who have autoimmune diseases. The goal of the diet is to reduce inflammation and relieve symptoms of autoimmune disorders. AIP will not cure autoimmune diseases or replace medications.
AIP resembles a paleo-style diet with a few small differences related to the types of vegetables included and the short-term elimination of eggs, nuts, and seeds.1 There are three main phases of the AIP diet: the elimination phase, the maintenance phase, and the reintroduction phase. During the elimination phase, certain foods are avoided for at least 30 days. Most health professionals recommend a 60- to 90-day maintenance phase following the initial 30-day elimination period. Although it is the most straightforward, maintenance can be the toughest phase. It requires planning, carefully choosing the foods you eat, and a little extra willpower. During the reintroduction phase, foods are slowly reintroduced one at a time to assess for adverse reactions.
Before starting any new diet or protocol, check with your physician. AIP should be completed under the guidance of a doctor, registered dietitian, nutritionist, or other trusted health professional.
Individuals who have been diagnosed with autoimmune diseases—specifically, those who are struggling to manage their symptoms and maintain daily activities—may benefit from AIP.2 Individuals who suspect they have an autoimmune disease may also benefit from the AIP diet but should seek guidance from a health professional before making dietary changes.
Diseases that may improve with AIP:
The gut plays a key role in the symptoms and management of autoimmune diseases.3 The population and diversity of the gut microbiome has been found to differ between individuals with autoimmune disease and the healthy controls.4 Scientists are working to understand whether a gut microbiome imbalance, also called dysbiosis, triggers the autoimmune response or if the autoimmune disease creates a dysbiosis.5 Dysbiosis can cause the intestinal barrier to break down, which increases the risk of pathogens (bacteria and viruses) entering the bloodstream and causing an immune response.
In fact, research shows that most autoimmune conditions share a common underlying problem: a more permeable (or “leaky”) intestinal lining.5 Intestinal wall breakdown creates heightened food sensitivity and intestinal permeability, also called “leaky gut.” One of the metabolites Ixcela tests, indole-3-propionic acid, plays an important role in intestinal permeability and can help give insight into leaky gut symptoms.
The goal of AIP is to heal the intestinal lining by relieving the gut of common irritants. During the elimination and maintenance phases, the gut is able to heal itself and rebuild a more diverse and well populated gut microbiome. Then, when the reintroduction phase begins, the gut may be able to tolerate foods it could not tolerate in the past. With that said, the AIP diet may need to be completed more than once if symptoms related to poor diet and lifestyle choices or stress begin to flare up again. The end of the maintenance phase is a good time to retest using Ixcela to assess the population and diversity of the gut and determine if it has improved before moving on to reintroduction. If symptoms reappear after reintroduction, it may be beneficial to retest to see if a dysbiosis needs to be addressed again.
The elimination phase is the foundation of the AIP protocol, but many who recommend AIP also recommend assessing lifestyle habits as well. Sleep health, emotional well-being, stress management, regular exercise, and mindfulness practices are often key components of a successful AIP protocol because these components can greatly impact the gut as well. If you are considering starting AIP to manage autoimmune symptoms and heal your gut, it is important to also assess practices outside of your diet.
Review the articles below for more information about how simple lifestyle habits make a big impact on your gut health and overall wellness.
Few people are able to decide to do the AIP diet one day and then get started the next. AIP takes preparation, family and community support, and dedication. Before starting the AIP, review the list of tips and recommendations below.
Click here to download the full list of foods to include and exclude when following an autoimmune protocol diet.
Additional Resources from Research-Based Organizations:
Registered Dietitian Nutritionist Rachel Stuck has a background in culinary arts and nutrition counseling. Rachel takes a positive approach to nutrition: she avoids recommending restrictive diets and instead focuses on helping people choose foods that promote health and well-being. She is passionate about empowering and assisting Ixcela members as they develop their unique, gut-healthy lifestyles. |
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