San Pedro


One of the most important master plants in South America


San Pedro


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What is San Pedro (Huachuma)?

San Pedro (Echinopsis pachanoi) – also known as Huachuma (Quechua language) – is one of the most important Master Plants in South America. It is a cactus (Echinopsis pachanoi) that has been used by shamans and other spiritual leaders in ceremonies as a tool for divination for some 3,500 years. San Pedro is a medicine with a powerful, expansive energy that enables personal and spiritual transformation and supports the path to healing.

Thanks to the endogenous substance mescaline, the use of San Pedro leads to visions needed to make certain predictions and to discover spiritual and unconscious causes of illness. Until a few years ago, the secrets and uses of this cactus were reserved for indigenous peoples and you had to travel to South America to participate in a ceremony. But now you can also experience the miraculous effects of San Pedro during our Spanish retreats in a safe environment and with experienced guides.

How does San Pedro work?


About one to two hours after drinking San Pedro tea, you will discover its secret and feel the psychoactive ingredient mescaline. The effect can last for eight to 15 hours. The effects include a strong sensitivity to light; you see and feel every ray of light and you even see people and things glowing in a ‘divine light’. All your senses are more open. You perceive your surroundings more intensely. During the ceremony, we encourage you to go along with the energy of letting go of your physical identity so that you start experiencing yourself as soul and spirit. This transcendental journey lets you walk through the physical and spiritual worlds.

In addition, all kinds of other emotions can occur: Laughter (San Pedro teaches you joy), Crying (you cleanse your emotions and heal), Fear (you face your fears and retrieve the power you gave away to something or someone in the past), Love (the essence of oneness, wholeness and healing).

The effect of San Pedro is in several ways more pleasant than that of Peyote (a cactus that also contains mescaline) or ayahuasca. The taste is not as bitter and nausea does not occur. In addition, the psychedelic experience is calmer, less overwhelming and not as physical as that of Peyote or ayahuasca.

Differences between
San Pedro and ayahuasca

San Pedro has different effects from ayahuasca. Ayahuasca is experienced as the strong feminine energy of a mother. San Pedro has the masculine energy of a gentle grandfather. Ayahuasca helps you gain insight into yourself, find and heal lost soul parts, and revive your inner child. It is an inner journey into the universe within yourself.

San Pedro, on the contrary, is more outward-looking. It shows you your multidimensional nature and lets you see how the other dimensions blend with physical reality. It helps you integrate your experiences and form a stronger connection with the world around you. San Pedro does not affect your motor skills as ayahuasca does. So you can move around well during a San Pedro trip and meet your own physical needs.

San Pedro as a supplement to ayahuasca

San Pedro and ayahuasca differ in their effects and healing properties and complement each other perfectly. That is why we offer multi-day retreats in Spain with a 24-hour break between the two different ceremonies. Ayahuasca gives you a deep and beautiful insight into yourself, your challenges and your problems and shows you what you need to change.

San Pedro opens your heart to love and peace with everything and everyone around you and empowers you to make the change ayahuasca gives you into your life. If you want to experience bliss and maintain, shape and fully integrate it into your daily reality, then the combination of San Pedro and ayahuasca is perfect for you.


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Whereas ayahuasca is perceived as having the strong feminine energy of a mother, the San Pedro medicine has the masculine energy of a gentle grandfather. Ayahuasca is an inner journey into the universe within yourself. San Pedro is more outward-looking and shows you your multidimensional nature. Although San Pedro and ayahuasca differ in their effects and healing methods, they complement each other perfectly during a multi-day retreat with a 24-hour break between the two different ceremonies.

Ayahuasca gives you deep and beautiful insights into yourself, your challenges and problems and shows you what you need to change. San Pedro (Huachuma) opens your heart to love and peace with everyone and everything around you and gives you the power to make the change. If you want to keep the state of bliss you get from an ayahuasca experience longer, if you want to further shape it and fully integrate it into your daily reality – then San Pedro is the perfect supplement for you.

Who is San Pedro suitable for?

San Pedro is used for healing spiritual, physical, mental, spiritual and emotional ailments. Through the wisdom of this sacred Plant Medicine, you will find peace and calm and feel at one with creation again.


  • You want to heal deep wounds from the past and live your life in freedom.
  • You want to overcome your blockages or other negative emotional patterns.
  • You want to open your heart and experience love in a way you never thought possible before.
  • You want to anchor yourself more in your daily reality.
  • You want to connect with your higher self and discover what life is all about.
  • You want to realise your true potential and become more empathetic and creative.
  • You want to strengthen your connection with other people or repair disturbed family relationships.
  • You want to establish connection with yourself, other people, nature and with all of existence in general.

For whom is
San Pedro NOT suitable?

San Pedro should not be used in combination with certain antidepressants and sedatives. This can actually be life-threatening. Narcotics, alcohol and certain medicines are contraindications and should also not be combined with San Pedro.


  • If you suffer from: schizophrenia, bipolar disorder, psychosis, borderline or certain other mental disorders.
  • If you have or have had any of the following illnesses or conditions: severe kidney disease, unstable diabetes mellitus, epilepsy, severe neurological disorders, hypertension, cardiovascular diseases such as angina pectoris, strokes and CVAs, an existing or expected pheochromocytoma (a tumour of the adrenal glands), blood dyscrasias (abnormal cells), hyperthyroidism (overactive thyroid gland) and certain liver disorders.
  • If you take antidepressants (you should stop taking them 4-8 weeks before your ceremony).
  • If you take painkillers, sleeping pills or products for migraines and allergies (you should stop taking them 3 to 6 days before your ceremony).
  • If you are pregnant or breastfeeding.
  • If you want to combine alcohol or drugs like cocaine, amphetamine, MDMA, etc. with San Pedro.
  • If you mistake San Pedro for a recreational drug and just want to party.

IMPORTANT: Before booking your ceremony, be sure to check and approve the“Medical and Safety Guidelines for the Intake of Ayahuasca and San Pedro (Huachuma)”. In it you will find a detailed list of contraindications and substances, medicines and drugs and which you should avoid. You can also read there which medical conditions do not combine well with Ayahuasca and San Pedro.

San Pedro ceremony

We always use San Pedro in a respectful ceremony

We always use San Pedro in a respectful ceremony. Only within this setting can it unfold its full potential and reveal its secret. OMMIJ offers you a safe place to truly experience the healing powers of this miraculous cactus. We do this with a therapeutic approach. Here the focus is on reuniting with your heart and gently getting in touch with yourself, others, nature and the universe.

Our ceremony begins with a short prayer for the plant and sharing your intention. After drinking the San Pedro tea, we do a guided meditation. You lie on a comfortable mattress with your eyes closed and listen to carefully selected music. Our guides are present throughout the ceremony and support you in your process. San Pedro normally works for eight to 15 hours.


After four to five hours, you may go outside to connect with nature. At the end of the San Pedro ceremony, you can enjoy freshly prepared vegetarian food and go to sleep. The morning after the ceremony, all participants come together to share their experiences and integrate them into their daily lives.



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The preparation and diet for your San Pedro ceremony

We advise you to detoxify yourself before the ceremony through a plant-based diet. In addition, we ask you to avoid foods containing tyramines. Start your diet at least seven days before drinking San Pedro and continue it until seven days after the last ceremony. Should seven days not be feasible, keep a period of at least three days for your diet before the first and after the last ceremony. This is because some products can cause nausea or headaches when combined with San Pedro.