If you’re dealing with fatigue, joint pain, bloating, brain fog, or other frustrating symptoms, you’re not alone. Millions of people live with autoimmune conditions, and many spend years trying different diets in search of relief.
As a nutritionist with a pharmaceutical background who researches nutrition and chronic health conditions, I know how confusing dietary advice can be—especially when it comes to the Autoimmune Protocol (AIP) diet. Many people hear about it online but struggle to understand what foods are actually allowed, what to avoid, and how the elimination and reintroduction phases work.
The AIP diet is designed to help identify foods that may trigger inflammation or immune reactions. It begins with a temporary elimination phase, where certain foods are removed to give the body time to calm inflammation. Later, foods are reintroduced slowly, one at a time, to help identify personal triggers.
In this guide, I’ll walk you through a complete AIP diet food list, including what you can eat during the elimination phase, which foods to avoid, and how the reintroduction phase works. My goal is to make the process clearer so you can approach the AIP diet with more confidence and less confusion.
Contents
- 1 What Is the AIP Diet?
- 2 AIP Diet Phases: Elimination and Reintroduction
- 3 AIP Elimination Phase Food List: What You Can Eat
- 4 Foods to Avoid on the AIP Diet (Elimination Phase)
- 5 AIP Reintroduction Phase: Adding Foods Back Safely
- 6 7-Day AIP Elimination Phase Meal Plan
- 7 Frequently Asked Questions
- 8 Final Thoughts
What Is the AIP Diet?
If you’ve been researching ways to manage autoimmune symptoms, you’ve probably come across the Autoimmune Protocol (AIP) diet. At first glance, it can look overwhelming because it removes quite a few common foods. But the idea behind it is actually simple.
The AIP diet is a temporary elimination diet designed to help you figure out whether certain foods may be triggering inflammation or worsening your symptoms. Instead of guessing which foods might be causing problems, the protocol removes common triggers for a period of time and then adds them back slowly so you can see how your body reacts.
From my perspective as a nutritionist, I like to think of the AIP diet as a structured experiment for your body. The goal isn’t to restrict foods forever. Instead, it helps you identify which foods you personally tolerate well and which ones may be contributing to symptoms.
The protocol usually happens in two main phases.
Elimination Phase
During the elimination phase, you temporarily remove foods that are more likely to trigger inflammation or digestive irritation. This includes foods like grains, dairy, legumes, eggs, nuts, seeds, and nightshade vegetables.
This phase usually lasts 30 to 90 days, depending on how your body responds. The goal is to give your immune system and digestive system a chance to settle down so you can establish a clear baseline.
Reintroduction Phase
Once your symptoms improve or stabilize, the next step is the reintroduction phase. This is where foods are slowly added back into your diet, one at a time.
By reintroducing foods gradually, you can pay attention to how your body responds. Some foods may return to your diet without any problems, while others might trigger symptoms again.
Over time, this process helps you build a personalized eating plan that supports your health without unnecessary restrictions.
In the next section, we’ll go through the complete AIP diet food list, so you’ll know exactly what you can eat during the elimination phase and which foods are best avoided at the beginning.
AIP Diet Phases: Elimination and Reintroduction
One of the things that confuses many people when they first look into the AIP diet is that it’s not meant to be followed the same way forever. Instead, the protocol is divided into two main phases that help you identify which foods work for your body and which ones may trigger symptoms.
Understanding these phases can make the process feel much more manageable and less restrictive.
Elimination Phase
The elimination phase is where the AIP diet begins. During this stage, you temporarily remove foods that are commonly linked to inflammation, gut irritation, or immune reactions.
These typically include:
- Grains
- Dairy products
- Legumes
- Eggs
- Nuts and seeds
- Nightshade vegetables (such as tomatoes, peppers, and eggplant)
- Processed foods and additives
The goal here isn’t to avoid these foods forever. Instead, this phase helps reduce potential triggers and give your body a chance to stabilize.
Most people follow the elimination phase for about 30 to 90 days, although the exact duration can vary depending on how your symptoms respond. During this time, many people notice improvements in things like digestion, energy levels, skin health, and joint discomfort.
Reintroduction Phase
Once your symptoms have improved or become stable, you can move on to the reintroduction phase. This step is extremely important because it helps you identify which foods your body actually tolerates.
Foods are added back one at a time, usually with several days between each new food. This allows you to watch for any changes in symptoms such as digestive discomfort, fatigue, headaches, or joint pain.
Some foods may return to your diet without any issues, while others might cause symptoms to come back. Over time, this process helps you create a personalized way of eating that supports your health without being unnecessarily restrictive.
Now that you understand how the two phases work, let’s take a closer look at the AIP diet food list, starting with the foods that are allowed during the elimination phase.
AIP Elimination Phase Food List: What You Can Eat
When you first start the AIP diet, it can feel like a lot of foods are being removed. But what many people don’t realize at first is that there are still many nutrient-dense foods you can enjoy during the elimination phase.
Instead of focusing only on restrictions, it’s helpful to think about building meals from the foods that support healing and reduce inflammation. The following categories include the main foods that are typically allowed during the AIP elimination phase.
Protein Sources
Protein is an important part of the AIP diet because it helps support muscle health, immune function, and stable energy levels. Try to include a good protein source in most meals.
Common AIP-friendly protein options include:
- Grass-fed beef, lamb, and bison
- Pasture-raised poultry such as chicken, turkey, and duck
- Wild-caught fish like salmon, sardines, and mackerel
- Shellfish such as shrimp, oysters, and mussels
- Organ meats like liver, heart, and kidney
- Homemade or additive-free bone broth
These foods provide important nutrients like iron, zinc, and omega-3 fatty acids, which can be especially helpful for people dealing with chronic inflammation.
Vegetables (Non-Nightshade)
Vegetables make up a large portion of the AIP diet because they provide fiber, vitamins, minerals, and antioxidants.
However, nightshade vegetables are usually removed during the elimination phase, so it’s best to focus on other varieties such as:
- Leafy greens (spinach, kale, arugula, romaine lettuce)
- Cruciferous vegetables (broccoli, cauliflower, Brussels sprouts, cabbage)
- Root vegetables (carrots, beets, turnips, parsnips, sweet potatoes)
- Squash (zucchini, butternut squash, acorn squash, spaghetti squash)
- Other vegetables like cucumbers, celery, onions, garlic, radishes, and fennel
- Sea vegetables such as nori or wakame
Eating a wide variety of vegetables can help ensure you’re getting a broad range of nutrients while following the protocol.
Fruits (In Moderation)
Fruits are generally allowed on the AIP diet, but they’re usually recommended in moderation, especially if you’re trying to keep blood sugar stable.
Some commonly enjoyed AIP-friendly fruits include:
- Berries (blueberries, strawberries, raspberries)
- Apples and pears
- Peaches and nectarines
- Mango, papaya, and banana
- Avocado (technically a fruit and rich in healthy fats)
Fruits can make great AIP snacks or additions to smoothies, but balancing them with protein and healthy fats can help prevent energy crashes.
Healthy Fats
Healthy fats are an important part of the AIP diet because they help support hormone balance, nutrient absorption, and steady energy levels.
Common AIP-approved fat sources include:
- Extra-virgin olive oil
- Coconut oil and coconut milk (without additives)
- Avocado and avocado oil
- Animal fats such as tallow or lard from quality sources
- Fatty fish like salmon
Including healthy fats in your meals can also make the diet more satisfying and sustainable.
Herbs and Spices
Although seed-based spices are avoided during the elimination phase, many herbs and spices are still allowed and can add plenty of flavor to your meals.
Some commonly used AIP-friendly herbs and spices include:
- Basil
- Rosemary
- Thyme
- Oregano
- Parsley
- Garlic and onion powder
- Ginger
- Turmeric
- Cinnamon
- Cloves
These herbs and spices not only improve flavor but also provide natural anti-inflammatory compounds.
Beverages
Staying hydrated is important while following the AIP diet. The safest beverage options are simple and minimally processed.
Common AIP-friendly drinks include:
- Water (filtered or mineral water)
- Herbal teas such as chamomile, ginger, peppermint, or rooibos
- Coconut water without added sugar
- Bone broth
Many people miss coffee at first, but focusing on herbal teas or warm broths can make the transition easier.
In the next section, we’ll look at the foods that should be avoided during the elimination phase, which is just as important for understanding how the AIP diet works.
Foods to Avoid on the AIP Diet (Elimination Phase)
During the elimination phase of the AIP diet, certain foods are temporarily removed because they are more likely to trigger inflammation, digestive irritation, or immune reactions in some people. The goal is to create a “clean slate” so your body can stabilize before testing foods again later.
At first, this list may seem long, but remember that these foods are not necessarily eliminated forever. Many of them may be reintroduced later depending on how your body responds.
Grains
All grains are removed during the elimination phase because they may irritate the gut lining in sensitive individuals.
Examples include:
- Wheat
- Barley
- Rye
- Oats
- Corn
- Rice
- Quinoa
- Millet
- Sorghum
Grain-based foods like bread, pasta, cereals, and baked goods are also avoided during this phase.
Legumes
Legumes are another group removed during elimination because they contain compounds that may irritate digestion in some people.
These include:
- Beans
- Lentils
- Chickpeas
- Soy products
- Peanuts
- Peas
Many processed foods also contain soy or legume-based ingredients, so checking labels can be helpful.
Dairy Products
All dairy is typically removed during the elimination phase. Some people with autoimmune conditions may react to dairy proteins or lactose.
Examples include:
- Milk
- Cheese
- Yogurt
- Butter
- Cream
- Ice cream
Some people later tolerate certain dairy products after careful reintroduction.
Eggs
Eggs are excluded during the elimination phase because egg proteins can sometimes trigger immune responses in sensitive individuals.
Both egg whites and egg yolks are avoided during this stage.
Nuts and Seeds
Nuts and seeds are also removed temporarily, including foods made from them.
Examples include:
- Almonds
- Walnuts
- Cashews
- Sunflower seeds
- Chia seeds
- Flax seeds
Nut flours, seed oils, and seed-based spices are also avoided during elimination.
Nightshade Vegetables
Nightshade vegetables contain compounds that may trigger inflammation in some people with autoimmune conditions.
These include:
- Tomatoes
- White potatoes
- Eggplant
- Bell peppers
- Chili peppers
- Paprika
Other vegetables remain widely available during the AIP diet, so you still have plenty of options.
Processed Foods and Additives
Highly processed foods often contain additives, preservatives, or hidden ingredients that can interfere with the elimination process.
It’s best to avoid foods containing:
- Refined sugars
- Artificial sweeteners
- Emulsifiers and preservatives
- Processed vegetable oils
- Food colorings and flavor enhancers
Focusing on whole, minimally processed foods makes the elimination phase much easier to follow.
AIP Reintroduction Phase: Adding Foods Back Safely
After completing the elimination phase and noticing that your symptoms have improved or stabilized, the next step is the reintroduction phase. This stage is just as important as elimination because it helps you discover which foods your body actually tolerates.
The goal is not to stay on a restrictive diet forever. Instead, you slowly test foods so you can build a more flexible and personalized diet while still avoiding your personal triggers.
When Should You Start Reintroducing Foods?
Most people begin reintroductions after at least 30 to 90 days on the elimination phase. A good sign that you’re ready is when your symptoms—such as fatigue, digestive discomfort, joint pain, or skin issues—have improved or become stable.
If symptoms are still very active, it may be better to wait a little longer before starting reintroductions.
How to Reintroduce Foods
Reintroducing foods should be done one food at a time, with several days between each test. This makes it easier to identify which foods may cause symptoms.
A common approach looks like this:
- Start with a small amount of the new food
- Wait about 15–30 minutes to see if there is an immediate reaction
- If everything feels fine, try a slightly larger portion later the same day
- Continue to monitor symptoms over the next 2–3 days
During this time, watch for signs such as:
- Digestive discomfort
- Fatigue or brain fog
- Headaches
- Joint pain
- Skin reactions
If symptoms appear, that food may be a personal trigger and should be avoided for now.
Recommended Order of Reintroductions
Many people find it helpful to reintroduce foods in stages, starting with foods less likely to cause reactions.
Some foods often tested earlier include:
- Egg yolks
- Ghee (clarified butter)
- Certain seed-based spices
- Legumes with edible pods like green beans
Foods that are more likely to cause reactions are usually tested later, such as:
- Nuts and seeds
- Gluten-free grains
- Nightshade vegetables
- Dairy products
- Coffee and alcohol
Everyone’s tolerance is different, so the goal is to learn how your own body responds, not to follow a strict timeline.
Tips for a Successful Reintroduction Phase
A few simple habits can make the reintroduction phase much easier:
- Keep a symptom journal to track how you feel after testing foods
- Reintroduce only one new food at a time
- Wait 3–7 days between new foods
- Be patient—the process may take several weeks or months
Although this stage requires patience, it helps you move toward a balanced and sustainable way of eating without unnecessary restrictions. If you’re not seeing improvements, it may help to understand why the AIP diet doesn’t work for some people and what factors might be involved.
7-Day AIP Elimination Phase Meal Plan
If you’re new to the AIP diet, one of the biggest challenges is simply figuring out what to eat each day. Having a simple meal plan can make the elimination phase much easier and help you stay consistent while your body adjusts.
The goal during this phase is to focus on nutrient-dense meals made with whole, AIP-friendly foods. Below is an example of what a week of meals might look like.
Day 1
Breakfast:
Sweet potato hash with ground turkey, spinach, and coconut oil
Herbal tea (ginger or chamomile)
Lunch:
Grilled chicken salad with arugula, avocado, cucumber, and olive oil
Roasted beets on the side
Dinner:
Baked salmon with garlic-roasted broccoli and mashed cauliflower
Cup of bone broth
Snack:
Apple slices with coconut butter
Day 2
Breakfast:
Green smoothie with coconut milk, spinach, mango, avocado, and collagen peptides
Lunch:
Turkey lettuce wraps with shredded carrots, cucumber, and avocado
Roasted sweet potato wedges
Dinner:
Slow-cooked beef stew with carrots, celery, parsnips, and herbs
Side of sautéed kale
Snack:
Berries with coconut flakes
Day 3
Breakfast:
Breakfast patties made with ground pork and herbs
Sautéed zucchini with cinnamon apples
Lunch:
Tuna salad (wild-caught tuna, avocado, celery, olive oil) served in lettuce cups
Carrot sticks
Dinner:
Chicken vegetable soup made with bone broth, carrots, celery, and parsley
Roasted acorn squash
Snack:
Coconut yogurt with blueberries
Day 4
Breakfast:
Cassava flour pancakes topped with blueberries and coconut cream
Herbal tea
Lunch:
Grilled shrimp salad with mixed greens, cucumber, and olive oil dressing
Steamed asparagus
Dinner:
Roasted duck with garlic mashed sweet potatoes and sautéed Swiss chard
Snack:
Sliced mango or papaya
Day 5
Breakfast:
Leftover cassava pancake with turkey bacon and sautéed kale
Lunch:
Zucchini noodle bowl with shredded chicken and garlic-olive oil dressing
Side of fermented vegetables
Dinner:
Pan-seared cod with carrot mash and steamed broccoli
Cucumber and fennel salad
Snack:
Baked apple slices with cinnamon and coconut oil
Day 6
Breakfast:
Savory breakfast bowl with ground lamb, sautéed spinach, and cauliflower rice
Lunch:
Bison burger (no bun) served over greens with roasted butternut squash
Avocado slices
Dinner:
AIP shepherd’s pie made with ground beef, vegetables, and mashed cauliflower topping
Snack:
Tigernut flour muffins
Day 7
Breakfast:
Smoothie with coconut milk, banana, spinach, cinnamon, and collagen peptides
Lunch:
Grilled salmon patties with mixed greens and lemon-olive oil dressing
Roasted carrots
Dinner:
Roasted chicken thighs with rosemary, sweet potato mash, and sautéed cabbage
Cup of bone broth
Snack:
Fresh berries with coconut flakes
Frequently Asked Questions
How long should you stay in the AIP elimination phase?
Most people stay in the elimination phase for about 30 to 90 days. The goal is to give your body enough time to calm inflammation and allow symptoms to improve. Once symptoms become stable or significantly better, you can begin the reintroduction phase to test foods individually.
Can you drink coffee on the AIP diet?
Coffee is not allowed during the elimination phase because it may irritate the gut or stimulate the immune system in some people. However, many people choose to reintroduce coffee later during the reintroduction phase to see how their body tolerates it.
Can you lose weight on the AIP diet?
Some people do lose weight on the AIP diet, mainly because the protocol removes processed foods, refined sugars, and many high-calorie snacks. However, weight loss is not the primary goal of the diet. The main purpose is to identify food triggers and reduce inflammation.
Is the AIP diet safe to follow long term?
The elimination phase of the AIP diet is not intended to be permanent. It is designed as a temporary step to help identify triggers. After the elimination period, the reintroduction phase helps you expand your diet again so you can eat as many foods as possible without triggering symptoms.
Do you need supplements on the AIP diet?
Not everyone needs supplements, but some people may benefit from them depending on their nutritional status. Because the diet removes several food groups during the elimination phase, it may be helpful to focus on nutrient-dense foods and consult a healthcare professional if you are concerned about deficiencies.
Can you exercise while following the AIP diet?
Yes, moderate physical activity is generally encouraged while following the AIP diet. Gentle exercises such as walking, yoga, stretching, or light strength training can support overall health without placing too much stress on the body during the healing process.
Final Thoughts
The AIP diet may seem restrictive at first, but it’s meant to be a temporary tool to help you understand how your body reacts to different foods. The elimination phase helps calm potential triggers, while the reintroduction phase helps you build a diet that works best for you.
As a nutritionist with a pharmaceutical background, I see the AIP protocol as a structured way to identify food sensitivities and support overall health. The key is to focus on nutrient-dense foods, patience, and careful reintroductions.
With the right approach, the AIP diet can help you move toward a more personalized and sustainable way of eating that supports your well-being.
