Whole iboga or purified ibogaine? The bark contains a mixture of alkaloids; ibogaine itself acts on several systems. Compare the alkaloids, extracts and research analogues, and learn why we pair the whole root with a traditional guided process.
One molecule becomes two
Ibogaine, the main alkaloid of the root bark, is converted in the liver into noribogaine. Ibogaine itself is cleared within hours; noribogaine stays for days. Much of what people describe as the afterglow of iboga, the weeks of reduced craving, steadier mood and clearer sleep, tracks noribogaine's long presence rather than the night itself. The whole root bark adds a dozen other alkaloids whose roles are less studied.
The science, in motion · 01
One molecule becomes two
Ibogaine
Parent compound
Noribogaine
Longer-lasting metabolite
A shorter presenceIbogaine rises and falls earlier.
A longer tailNoribogaine persists after it.
Many receptors at once
Most psychiatric medications act on one system. Ibogaine and noribogaine act on several: they block NMDA glutamate receptors (linked to learning and to the dissociative quality of the experience), they activate kappa opioid receptors (linked to mood and to the anti-addictive effect), they inhibit the serotonin transporter as an antidepressant would, they touch nicotinic and sigma receptors, and they modulate the opioid system in a way that eases withdrawal without being an opioid. No single one of these explains iboga; the combination is what makes it different.
The science, in motion
A journey through the body
Explore a region
Prefrontal cortex
- Ibogaine
NMDA glutamate receptors are blocked. This is the dissociative, observer quality of the night: events seen with a distance you never had.
What you notice. The life review, as if watching rather than reliving.
Memory systems
- Ibogaine
- Noribogaine
The NMDA blockade engages memory systems, and BDNF rises: proteins that let neurons form new connections. The psychologist calls it reconsolidation.
What you notice. Old events return, get looked at, and are filed differently. A window of weeks in which the brain rewires more easily.
Reward and mood circuits
- Noribogaine
- Ibogaine
Kappa opioid receptors are activated, the serotonin transporter is inhibited as an antidepressant would, and GDNF rises in the midbrain, the growth factor animal work links to the long drop in drug seeking.
What you notice. Craving falls away for weeks; mood steadier. This is the afterglow, and it tracks noribogaine.
Cerebellum
- Ibogaine
Coordination and balance are lost for the length of the experience: ataxia.
What you notice. You do not walk unaided. That is what the team at your mat is for.
Brainstem
- Ibogaine
- Noribogaine
The opioid system is modulated here and along its pathways: withdrawal eases without an opioid. The vomiting center sits here, and the vagus nerve leaves from here to the gut.
What you notice. Withdrawal lifts within hours. Nausea, especially early.
Heart
- Ibogaine
- Noribogaine
hERG potassium channels are blocked: the QT interval can lengthen and the pulse can slow. Screening and monitoring are essential; they do not eliminate the risk of dangerous arrhythmias.
What you notice. You feel nothing. The monitor does: ECG before travel, telemetry all night, magnesium and a physician in the room.
Liver
- Ibogaine
- Noribogaine
The enzyme CYP2D6 turns ibogaine into noribogaine. Ibogaine is cleared within hours; noribogaine is made here and stays for days.
What you notice. Why the effect outlasts the night, and why medications that share this enzyme are on the screening list.
Gut
- Ibogaine
- Noribogaine
Every alkaloid of the bark arrives here and is absorbed through the gut wall. Most of the body's serotonin is made in the gut, so the serotonin transporter effect is felt in the belly as well as in mood. The vagus nerve carries the gut's signals up to the brainstem: the gut-brain axis.
What you notice. Bitter taste, then nausea and often vomiting in the first hours, then the onset at one to two hours.
Select a region on the map or above.
Bwiti music & rhythm
From vibration to perception
Sound waves move fluid in the inner ear. Sensory hair cells turn that movement into electrical signals carried to the brain. This is a documented connection between vibration, fluid and the nervous system. How hearing works ↗
Studies of music listening have measured changes in breathing and heart rate, including responses to tempo and pauses. These findings concern music generally; they are not measurements taken during a Bwiti ceremony. Music and bodily responses ↗
Water content alone does not establish a therapeutic effect from a particular frequency. Musical pitch, the pace of a rhythm and EEG brainwave frequency are different things.
IbogaineNoribogaine
- NMDA glutamate receptorsblockedLearning, and the dissociative, observer quality of the night
- Kappa opioid receptorsactivatedMood, and the anti-addictive effect
- Serotonin transporterinhibitedAs an antidepressant would
- Opioid systemmodulatedEases withdrawal without being an opioid
- Nicotinic receptorstouchedPart of the picture, less understood
- Sigma receptorstouchedPart of the picture, less understood
Growth factors and neuroplasticity
Ibogaine raises the expression of glial cell line-derived neurotrophic factor, GDNF, and brain-derived neurotrophic factor, BDNF, proteins that support the survival and growth of neurons and the formation of new connections. Animal work links this to the long reduction in drug seeking after a single dose. In human terms: for a window of weeks the brain is unusually able to rewire, which is why the days and months after a ceremony matter as much as the night, and why our continuing care lasts three months.
The science, in motion · 02
How connections can change
A network of possibilitiesNeurons communicate through branching processes and synaptic contacts. This is a simplified view of two cells within a much larger network.
Branches reach outwardPlasticity can involve changes to neuronal branches and synapses. GDNF and BDNF are among the growth factors studied in relation to ibogaine.
A new point of contactSignals pass at synapses, across a tiny gap between cells. New contacts are one way a neural network can change.
The music: rhythm and theta
Missoko Bwiti Music and sacred Songs accompany different moments of the ceremony through the night. In the Bwiti frame, the music guides and accompanies the traveler; it is part of how the experience is held.
Human EEG experiments show that neural responses can track a musical beat and its meter, a form of auditory entrainment. That is evidence for the brain’s response to rhythm. It does not establish a particular sleep stage or a uniform shift to theta during a Bwiti ceremony. Musical pitch, the pace of a beat and EEG frequency describe different things. Nozaradan and colleagues’ beat-and-meter study.
The ceremony, in motion
Missoko Bwiti Music and sacred Songs & the participant
Missoko Bwiti Music and sacred Songs
The ngombi harp, mongongo bow, drums and vocals are part of this musical tradition. Drumbeats and sung phrases join the strings in the sound reaching the listener. Within Bwiti practice, the music accompanies and guides the journey; it is part of the ceremony itself.
Vibration becomes a nerve signal
Sound reaches the ear and moves the eardrum. Inside the cochlea, fluid motion bends sensory hair cells, which convert movement into electrical signals carried to the brain. This is a specific fluid-and-vibration pathway in the ear.
Listening can involve the whole person
The brain can track musical rhythm. Music can also influence breathing, heart rate and arousal; the direction varies with the music, context and listener. The highlights show these connections, not a measured response to Bwiti music or a guaranteed calming effect.
An accompaniment through the inner journey
In the Bwiti frame, song and rhythm offer guidance and a connection to the people holding the ceremony. Participants may experience the music as carrying their attention, emotion and imagery through the night. That lived meaning complements the hearing pathway shown here.
Sleep, dreams and the iboga state
A body can be quiet while the mind feels intensely active. That description can fit parts of an iboga experience, but it does not tell us whether the person is physiologically asleep. The brain also remains active during ordinary sleep. Sleep stages are identified from patterns of brain activity, eye movements and muscle activity, not from stillness alone. NIH: sleep phases and stages.
Normal sleep includes three non-REM stages (N1, N2 and N3) and REM sleep. N1 is the transition into sleep; N2 is light sleep with characteristic bursts of EEG activity; N3 is deeper, slow-wave sleep. REM has an active brain pattern, rapid eye movements and a marked reduction in the tone of many skeletal muscles. Dreaming is common in REM, but it can also happen in non-REM sleep. NINDS: understanding sleep.
The science, in motion
The brain stays active in sleep
Compared with control wakefulness, gamma activity was stronger but less synchronized and less complex, a profile resembling REM in this frequency band.
Veterans’ accounts after magnesium–ibogaine described autobiographical scenes, altered self-awareness and emotional reappraisal. These were reported experiences, not sleep recordings.
Resting EEG showed increased theta–alpha and reduced beta–gamma power. Measurements were before treatment, 3.5 days afterward and one month afterward.
Still can mean awakeA person can lie quietly with their eyes closed and remain awake. Alpha may be prominent; muscle tone remains. Posture alone does not identify sleep.
The transition into sleepN1 is light sleep. Brain activity slows and slow eye movements may occur. Brief imagery can appear around the transition from wakefulness.
Light sleep with distinctive burstsN2 features sleep spindles and K-complexes in the EEG. Eye movements settle and muscle tone is reduced.
Deep, slow-wave sleepN3 includes prominent slow brain waves. A person is harder to wake, yet the brain continues to function.
Dreaming with an active brainREM combines active, mixed-frequency brain activity, rapid eye movements and greatly reduced skeletal muscle tone. Dreaming is common, but dreams also occur outside REM.
Research supports a waking-dream comparisonAnimal recordings reveal specific similarities to REM, and human accounts describe dreamlike experiences. Together they give us a useful comparison; they do not yet identify a standard human sleep stage during iboga. The studies above concern ibogaine, not whole-root Bwiti ceremonies.
Which stage are you in during iboga?
There is no single sleep stage we can assign to the iboga experience from a person’s report or appearance. Researchers use oneiric or oneirogenic to describe its dreamlike quality. Those words describe the experience; they do not mean that the person has entered REM. A resting body, closed eyes and vivid internal imagery can coexist with wakefulness. Difficulty moving under iboga should not be equated with the normal muscle atonia of REM.
The animal findings are especially useful for understanding that distinction. A 2018 rat study found that ibogaine increased wakefulness and suppressed REM sleep. A 2021 rat EEG study described a waking state with some REM-like electrical features. These results help explain why “dreamlike” and “asleep” are not interchangeable, but they do not establish a human sleep stage during a ceremony. 2018 sleep study; 2021 EEG study.
A 2024 study also found that noribogaine, the main metabolite, promoted wakefulness and suppressed REM sleep in rats. This suggests that both the parent compound and its metabolite can contribute to sleep–wake effects. Noribogaine sleep study.
A 2025 human study recorded resting EEG before treatment, 3.5 days afterward and one month afterward. It adds evidence about brain activity after magnesium–ibogaine therapy, but did not measure sleep stages during the acute experience. Human EEG study.
Why we fast
In our Bwiti practice, preparation includes a light meal and a period without food before the ceremony. The practitioner and medical team set the plan for each guest. Nausea and vomiting can occur, and an empty stomach does not eliminate the risk of aspiration. The team also considers hydration, electrolytes, medications and medical readiness.
Food preparation and hydration are different decisions. Follow the medical team’s instructions for food, fluids and any electrolyte treatment. The fire talk prepares the intention; clinical checks assess the body. Both belong to the preparation for the night.
Preparation, in motion
From preparation to recovery
Prepare the body
Before the ceremony
A light meal and a clear plan
Food timing is set for you. Hydration and any electrolyte treatment follow the medical team’s instructions.
- Food
- Follow your individual last-meal instructions.
- Clinical care
- Review readiness, medications and hydration.
Prepare the intention
The fire talk
Traditional counsel, before the inward journey
The fire talk gives space for questions and intentions within the Bwiti House methodology. The team completes its checks before any medicine.
- Traditional guidance
- Fire talks, preparation and a shared understanding.
- Clinical care
- IV access and the medical plan are in place.
Two kinds of attention
Through the night
The practitioner guides. The medical team monitors.
Medicine is paced within the medical plan. The practitioner accompanies the experience; the physician monitors and responds.
- Traditional guidance
- Ceremonial music, presence and guided reflection.
- Clinical care
- Cardiac monitoring and support for nausea or vomiting.
Continue the care
After the ceremony
Recovery has its own rhythm
Rest and medical observation continue. Food, fluids and activity resume according to the team’s assessment, with integration when you are ready.
- Recovery
- Reassess hydration, symptoms and readiness.
- Integration
- Reflect with the practitioner and plan the return home.
Care continues across every stage. Food, hydration and clinical decisions follow your individual plan.
Why a life review
The mechanisms behind iboga’s reported life-review experiences are not fully understood. Some guests describe seeing earlier events from an observer’s perspective; others describe journeys into a spiritual realm. Memory-related brain processes are one part of the research question, while the meaning and guidance provided by the Bwiti tradition are part of the lived experience.
The Bwiti tradition and the Bwiti House methodology
At Bwiti Life, the traditional methodology learned through Bwiti House in Gabon gives the experience a structure. Practitioners draw on Moughenda Mikala’s Missoko Bwiti teachings, using fire talks and counsel in preparation, ceremonial music and guided reflection during the experience, and integration afterward. Learn about the Bwiti House training.
Regressive work and guided life review create space to explore earlier experiences, emotions and recurring patterns. Within the Bwiti framework, guests may understand this as reconnecting with the spiritual realm and encountering the roots of their difficulties. The practitioner accompanies that exploration while the physician holds responsibility for clinical supervision. Memories and imagery remain personal experiences, not proof of past events.
Our practitioners draw on experience since 2012, including accounts of transformation and continued abstinence. Read these practitioner observations alongside the distinction between reported experience and established clinical evidence.
The experience, illustrated · 03
Seeing a memory differently
A memory comes into viewAn event from one’s own life becomes the focus. The conversation shown here is a symbolic scene, standing in for a remembered moment.
A little distanceSome guests describe seeing an event from an observer’s perspective. The memory stays in view while the point of view changes.
A wider contextA single moment sits within a larger life. Afterwards, reflection and support offer space to explore what the experience means to the person.
The heart
Ibogaine blocks hERG potassium channels in the heart, which lengthens the QT interval and can slow the heart rate. On a healthy heart with normal electrolytes this is monitored and passes. On a heart with a long QT, a conduction problem, low potassium or magnesium, or certain medications on board, it can trigger a dangerous arrhythmia. This is the mechanism behind every death in unsupervised settings, and behind every step of our protocol: ECG before travel, blood panel, IV access, magnesium, telemetry, a physician in the room.
What the research shows
- Cherian et al., Nature Medicine, 2024. Thirty US special operations veterans with traumatic brain injury received ibogaine with magnesium under medical supervision in Mexico. One month later, disability scores had dropped by more than 80 percent on average, with large reductions in PTSD, depression and anxiety, and no serious cardiac events. The team, led by Nolan Williams at Stanford, called for controlled trials.
- Brown and Alper, American Journal of Drug and Alcohol Abuse, 2018. Thirty people with opioid dependence treated with ibogaine in Mexico: withdrawal symptoms resolved in most, and about a third reported no opioid use at twelve months, a rate well above usual detox outcomes, in an observational design.
- Davis et al., Journal of Psychedelic Studies, 2017. Survey of 88 people treated with ibogaine for opioid use: 80 percent reported that it drastically reduced or eliminated withdrawal, 30 percent reported never using again.
- Mash et al., Frontiers in Pharmacology, 2018. Open-label data on 191 patients: significant reductions in depression and craving after ibogaine detox, with noribogaine's pharmacology described in detail.
- Koenig and Hilber, Pharmaceuticals, 2015. Review of the cardiac safety of ibogaine, hERG blockade and QT prolongation: the basis of every screening protocol.
The honest summary: strong, consistent signals from open-label and observational work, one landmark study in veterans, and no large randomized controlled trial yet. Iboga is not a proven treatment; it is a promising one that demands medical care.
What iboga does not do
It does not cure addiction, trauma or depression on its own. It interrupts, opens a window and shows. The rest is done in the weeks after, by the person, with support. It does not work for everyone, and it is not safe for everyone. Anyone who tells you otherwise is selling.
Questions people ask
How long does ibogaine stay in the body?
Ibogaine is largely cleared within a day; noribogaine persists for days and its effects on mood and craving are felt for weeks. Drug tests do not routinely screen for either.
Does iboga cause neuroplasticity like psilocybin?
Both increase markers of plasticity, through different routes. Iboga's effect via GDNF is unusual and is one reason it is studied for dependence and for neurological conditions. The window of plasticity is why integration matters.
Is the Stanford study about iboga or ibogaine?
Ibogaine hydrochloride with magnesium, in a clinical frame. The molecule is the same one at the heart of the root bark; the setting differs. See Iboga vs ibogaine.
Why magnesium?
Magnesium stabilizes the heart's electrical activity and blunts QT prolongation. The Stanford protocol used it, and so do we, by IV according to what the monitor and the bloodwork show.