Psychonauta Foundation

Psychonauta Foundation sits on a remote forest plot near Nauta, a couple of hours upriver from Iquitos, and it runs deeper and longer than most: strict master-plant dietas alongside more relaxed open retreats, stretching from a week to forty days. It is a serious dieta operation with Shipibo maestros and a Western facilitation team. The reviews are mostly strong, but there are real complaints on record, so read to the end before deciding.

What Psychonauta Foundation offers

Two formats run in parallel: a strict Master Plant Dieta built around isolation and silence, and an Open Ayahuasca Retreat with more group activity and a milder diet (Psychonauta programs). Lengths run 7, 10, 14, 20, 30, and 40 days, with ceremony counts scaling up: roughly 3 to 4 on a short stay, up to 12 on a 30-day and 16 on a 40-day apprenticeship. Prices on the site are mid-range for dieta work, a 10-day at $1,250 and a 20-day at $2,200, including transfers from Iquitos, meals, plant work, and integration (Psychonauta dates and prices). The lineage is genuinely deep: Shipibo maestros including Miguel at more than 40 years and a family lineage traced through Ronel Cairuna Garcia and Maestra Wilma, alongside co-founder Blez, a psychologist and long-term dieter (Psychonauta about page). They state at least two shamans plus facilitators per ceremony, always including a female curandera.

What people are saying

On the dedicated platforms the sentiment is strong. Retreat.guru shows 4.93 out of 5 across 132-plus reviews, many describing life-changing depth and praising the shamans and integration support (Retreat.guru listing). A 30-day Reddit reviewer wrote that "the curanderos are awesome. The tambos are inside jungle life. The music is great" (Reddit review).

The criticism is real and belongs here. TripAdvisor carries negative reviews including one titled "Not the real deal" and another from November 2023 alleging "SCAMMERS. They cancelled the retreat 3 weeks before after taking my money" (TripAdvisor review). A Reddit thread raised skepticism about "very dark" practices (Reddit thread). These are individual accounts, contested by many positive ones, and we found no reporting of deaths, lawsuits, or misconduct findings. Still, a cancellation-after-payment complaint is exactly the kind of thing you want to know.

The honest read

Here is what to weigh. The dieta format is demanding, isolation and a bland diet for people who know why they want it, not a soft introduction. Conditions are rustic and off-grid, and the location near Nauta is a further two hours from Iquitos than the city-adjacent centers, which means a longer trip to a hospital. The site emphasizes a safety protocol and always-present female curandera, but it does not publish a contraindication list or a health questionnaire you can read in advance, pointing you to individual contact instead. And the cancellation complaint on TripAdvisor is a reason to pay by a method you can dispute and to get dates confirmed in writing. Talk to your own doctor before booking, especially for a long dieta.

Psychonauta Foundation vs AyaSelva

Give Psychonauta its due. For a committed practitioner who wants a long master-plant dieta with indigenous Shipibo maestros and the option to stay a month or more, it offers depth AyaSelva simply does not, along with a psychologist co-founder on the team. If that is your path, it belongs on your list.

For most first-timers, though, AyaSelva is the safer, clearer choice, and we will say why plainly. It caps retreats at six guests, publishes its full contraindication list (SSRIs, MAOIs, antipsychotics, cardiovascular disease, epilepsy, psychosis history, pregnancy), and runs a questionnaire plus a personal intake call before confirming, where Psychonauta keeps screening to private contact. Its 7-day at $1,200 with four ceremonies sits close to Psychonauta's short-stay pricing but without the cancellation-after-payment complaints on its record, and it is family-run and personally vetted by our team, an hour closer to Iquitos and a hospital. For a first ayahuasca experience, we point people to AyaSelva. For a deep, long dieta with Shipibo masters, Psychonauta is a fair, if more demanding, alternative. Read our full AyaSelva review.

Not sure whether you want a gentle first retreat or a serious dieta? Ask us and we'll tell you honestly, free, with nothing riding on your choice. If you lean Psychonauta, contact them directly, confirm your dates in writing, and raise your medical history before you pay.