The Complete Ayahuasca Diet Guide: What to Eat & Avoid Before Your Retreat
The ayahuasca diet isn't just a list of rules handed down to make your retreat harder. It's a deliberate physical and energetic preparation that gives the medicine the clearest path to do its work. Get it right, and your ceremony is more likely to be profound. Get it wrong, and you risk uncomfortable — or even dangerous — interactions.
If you're preparing for an ayahuasca retreat, the dieta (as it's traditionally called) is one of the most important steps you'll take before you ever sit in ceremony. This guide covers exactly what to eat, what to avoid, when to start, and why each restriction matters — drawing on both traditional indigenous wisdom and modern pharmacological understanding.
Learn more about preparing for a retreat at Hayulima
Why the Ayahuasca Diet Matters
Ayahuasca is a brew made from two plants: the Banisteriopsis caapi vine and the Psychotria viridis (chacruna) leaf. The vine contains harmine and harmaline, which are monoamine oxidase inhibitors (MAOIs). The leaf contains DMT, the visionary compound.
Here's why that chemistry matters for your diet: MAOIs temporarily block an enzyme in your gut and brain called monoamine oxidase. Normally, this enzyme breaks down certain compounds in food — particularly an amino acid called tyramine. When that enzyme is blocked by ayahuasca, tyramine and other compounds can accumulate in your bloodstream, potentially causing spikes in blood pressure, headaches, nausea, or in extreme cases, a hypertensive crisis.
But safety is only half the story. Traditionally, the dieta serves a deeper purpose: to cleanse the body energetically, sharpen your sensitivity to the medicine, and demonstrate respect for the plant spirits you're about to work with. Indigenous Shipibo, Shuar, and Kichwa traditions have practiced dietary preparation for centuries — long before anyone understood the pharmacology behind it.
When to Start: Your Preparation Timeline
Different retreat centers have different timelines. At Hayulima, we recommend a graduated approach that eases you into the full dieta over two to four weeks. Here's how to think about it:
4 Weeks Before Ceremony
- Eliminate recreational drugs, alcohol, and cannabis
- Begin reducing caffeine intake gradually
- Stop consuming pork entirely
- Start shifting toward whole, unprocessed foods
2 Weeks Before Ceremony
- Eliminate red meat, aged cheeses, fermented foods, and cured meats
- Cut out refined sugar and heavily processed foods
- Reduce salt and oil in cooking
- Avoid sexual activity (traditional guideline for energetic clarity)
3–5 Days Before Ceremony
- Follow the strict dieta: bland, simple, plant-forward meals
- Eliminate caffeine completely
- No dairy, spicy food, garlic, onions, or citrus
- Eat lightly — don't overload your digestive system
Day of Ceremony
- Eat a light breakfast and a very light lunch (or skip lunch entirely)
- Stop eating at least 4–6 hours before ceremony
- Stay hydrated with plain water
Foods to Avoid Before Ayahuasca
This is the list most people come looking for. Some of these restrictions are rooted in the MAOI-tyramine interaction; others come from traditional practice. We include both, because both matter.
| Category | Foods to Avoid | Why |
|---|---|---|
| Tyramine-rich foods | Aged cheeses (cheddar, parmesan, brie, blue cheese), fermented foods (soy sauce, kimchi, sauerkraut, kombucha, miso), cured or smoked meats (salami, pepperoni, bacon), overripe bananas and avocados | MAOI interaction: can cause dangerous blood pressure spikes |
| Red meat & pork | Beef, pork, lamb, wild game | Energetically heavy; pork is strictly forbidden in most traditions |
| Dairy | Milk, yogurt, cream, butter, ice cream | High in tyramine (especially aged); mucus-producing |
| Alcohol & drugs | All alcohol, cannabis, cocaine, MDMA, all recreational substances | Dangerous MAOI interactions; energetically disruptive |
| Caffeine | Coffee, energy drinks, black tea, dark chocolate | Overstimulates the nervous system; can increase anxiety in ceremony |
| Spicy & pungent foods | Hot peppers, garlic, onions, raw ginger, heavy spices | Traditional restriction; considered energetically disruptive |
| Processed foods | Fast food, fried food, chips, candy, packaged snacks | High in sodium, preservatives, and artificial ingredients |
| Refined sugar | Candy, pastries, soda, sweetened cereals | Creates energy crashes; feeds unhealthy gut bacteria |
| Certain fruits | Overripe bananas, dried fruits (raisins, figs), citrus (some traditions) | High tyramine (overripe/dried); citrus considered too acidic |
What You Can Eat: Safe Foods for the Ayahuasca Dieta
The dieta isn't about deprivation — it's about simplicity. Here are the foods that are safe, nourishing, and aligned with both traditional and pharmacological guidelines.
Proteins
- Eggs — hard-boiled, poached, or scrambled (no butter or cheese)
- Light fish — fresh (not canned or smoked) white fish like tilapia, sole, bass, trout, or halibut
- Organic chicken — grilled or baked, lightly seasoned or plain
- Lentils and beans — excellent plant-based protein source
Grains & Starches
- Rice — white or brown
- Quinoa — a complete protein and traditional Andean staple
- Oats — plain, unsweetened
- Sweet potatoes and yucca — nourishing and easy to digest
- Amaranth — another nutrient-dense Andean grain
Vegetables
- Leafy greens — spinach, kale, lettuce, chard
- Root vegetables — carrots, beets, potatoes
- Cruciferous vegetables — broccoli, cauliflower (steamed is best)
- Squash and zucchini
- Cucumbers and celery
Fruits
- Fresh berries — blueberries, strawberries, raspberries
- Apples and pears
- Watermelon and melon
- Bananas — fresh, not overripe (no brown spots)
- Papaya — a gentle digestive aid
Beverages
- Water — your primary drink throughout the dieta
- Herbal teas — chamomile, peppermint, lemongrass (caffeine-free only)
- Coconut water — for electrolytes and hydration
Cooking Methods
Keep it simple: steamed, boiled, baked, or grilled. Use minimal oil (a small amount of olive or coconut oil is fine). Season with mild herbs like oregano, thyme, basil, or a small amount of sea salt. Avoid heavy sauces, marinades, or dressings.
Sample 3-Day Meal Plan
Here's what the strict phase of the dieta might look like in practice:
| Meal | Day 1 | Day 2 | Day 3 |
|---|---|---|---|
| Breakfast | Oatmeal with fresh berries and a drizzle of honey | Scrambled eggs with steamed spinach | Quinoa porridge with sliced apple |
| Lunch | Brown rice with grilled chicken and steamed broccoli | Lentil soup with carrots and celery | Baked fish with sweet potato and green salad |
| Dinner | Vegetable soup with potatoes and zucchini | Rice and beans with steamed vegetables | Light vegetable broth with rice (keep it very light) |
| Snacks | Fresh fruit, handful of nuts | Apple slices, rice cakes | Banana, herbal tea |
At Hayulima, our kitchen prepares all meals according to the dieta guidelines
Medications That Are Dangerous with Ayahuasca
The following medications must be completely discontinued well before ceremony (under medical supervision — never stop medications abruptly without consulting your doctor):
- SSRIs (sertraline, citalopram, escitalopram, paroxetine) — stop at least 2 weeks before. Risk: serotonin syndrome, which can be fatal.
- Fluoxetine (Prozac) — stop at least 6 weeks before due to its long half-life.
- SNRIs (venlafaxine, duloxetine) — stop at least 2 weeks before.
- MAOIs (phenelzine, tranylcypromine) — stop at least 2 weeks before.
- Tramadol and other opioids — risk of serotonin syndrome and respiratory depression.
- Stimulants (Adderall, Ritalin, modafinil) — risk of cardiovascular complications.
- Decongestants containing pseudoephedrine or phenylephrine.
- St. John's Wort — an herbal serotonergic that carries the same risks as SSRIs.
- 5-HTP and tryptophan supplements — increase serotonin levels.
Always disclose every medication, supplement, and substance you take to your retreat center before arrival. A responsible center will conduct a thorough medical screening. If yours doesn't, that's a red flag.
Contact Hayulima to discuss your medical history before booking
The Energetic Side of the Dieta
If you've read this far, you understand the physical reasons for the diet. But in the traditions where ayahuasca originates — among the Shipibo, Shuar, Kichwa, and other indigenous peoples of the Amazon — the dieta is as much about spiritual preparation as it is about safety.
The traditional dieta asks you to simplify not just your food, but your entire sensory experience. This means:
- Reducing screen time and social media consumption
- Spending time in nature and quiet reflection
- Avoiding arguments, gossip, and emotionally charged interactions
- Abstaining from sexual activity (considered to disperse energetic focus)
- Setting clear intentions for what you want to explore in ceremony
Think of the dieta as a process of turning down the noise so you can hear more clearly when the medicine speaks. The simpler and cleaner your body and mind are going in, the more space the medicine has to work.
Learn about the ceremonies and rituals at Hayulima
After Ceremony: The Post-Retreat Diet
The dieta doesn't end when the ceremony does. Most traditions recommend maintaining dietary restrictions for at least one to two weeks after your last ceremony. Your body and nervous system are still integrating the experience, and reintroducing heavy foods, alcohol, or stimulants too quickly can disrupt that process.
A good post-ceremony approach:
- Days 1–3 after ceremony: Continue the strict dieta. Eat lightly. Rest.
- Days 4–7: Gradually reintroduce foods like dairy, moderate salt, and light caffeine (green tea before coffee).
- Week 2: Return to your normal diet slowly. Many people find their relationship with food has shifted — cravings for processed food often decrease naturally.
- Ongoing: Avoid alcohol and recreational substances for at least 2–4 weeks. Many participants choose to extend this much longer.
Common Mistakes to Avoid
After years of facilitating retreats at Hayulima, we've seen the same preparation mistakes come up again and again:
- Starting too late. Beginning the diet 2 days before ceremony isn't enough. Give yourself at least 2 weeks, ideally 4.
- Focusing only on food. The dieta includes your mental and emotional environment too. A week of clean eating undermined by constant stress and screen time is only half the preparation.
- Not disclosing medications. This is the most dangerous mistake. People sometimes hide SSRI use out of embarrassment. Your facilitators need to know — it's a matter of safety, not judgment.
- Overeating the day before. "Loading up" before the fast doesn't help. A heavy stomach makes purging more intense, not less.
- Drinking too little water. Dehydration makes every aspect of ceremony harder. Drink consistently throughout your preparation.
- Treating it as a chore. The dieta is the beginning of your ceremony, not a hurdle before it. Approach it with intention and respect.
Frequently Asked Questions
Can I drink coffee before an ayahuasca retreat?
You should eliminate caffeine at least 3–5 days before ceremony. If you're a heavy coffee drinker, start tapering 2–3 weeks out to avoid withdrawal headaches. Herbal teas like chamomile or peppermint are good substitutes during the dieta.
What happens if I accidentally eat something on the restricted list?
A small slip with a traditional restriction (like garlic or spicy food) is unlikely to be dangerous — it may just mean more purging during ceremony. However, tyramine-rich foods eaten close to ceremony day could cause elevated blood pressure or severe headaches. If you accidentally eat aged cheese or fermented food within 48 hours of ceremony, tell your facilitators immediately.
Is the ayahuasca diet the same as a vegan diet?
No. The ayahuasca dieta allows light animal proteins like chicken, eggs, and fresh fish. It restricts specific categories (pork, red meat, dairy, fermented foods) rather than all animal products. That said, many people find that eating mostly plant-based during the preparation period feels best.
How long before ayahuasca should I stop eating?
Most facilitators recommend fasting for 4–6 hours before ceremony. At Hayulima, we serve a light lunch and then fast until the evening ceremony. Drink water up until about an hour before.
Can I take vitamins and supplements during the dieta?
Basic vitamins (like a multivitamin or vitamin D) are generally fine, but you must avoid 5-HTP, St. John's Wort, tryptophan, and any serotonin-boosting supplements. When in doubt, ask your retreat center before taking anything.
Prepare Well, Journey Deeper
The ayahuasca diet before your retreat isn't a burden — it's the first act of your healing journey. Every meal you prepare with care, every craving you sit with instead of acting on, is already teaching you something about discipline, intention, and respect for the process ahead.
At Hayulima Spiritual Sanctuary in Mindo, Ecuador, we guide you through every step of preparation — from your first inquiry to your post-retreat integration. Our kitchen prepares all meals according to the dieta, and our experienced facilitators are available to answer your questions about diet, medications, and preparation well before you arrive.
Ready to begin your journey? View upcoming retreat dates at Hayulima or contact us with your questions.