Written By: Fabrizio Beverina
In the forests of Acre, where Brazil leans into Peru, the night is stitched with frog-song. One voice belongs to Phyllomedusa bicolor, the giant monkey frog. Its pale-green skin holds a secretion that is both used as poison for hunting and revered as medicine for healing: Kambô.
I learned Kambô with the Varinawá. For them, it isn’t “detox” or “biohacking,” but a way to clear panema—that heavy fog that dulls a hunter’s luck and a person’s spirit. The ritual is simple and severe: small burns on the skin, the secretion applied, then minutes of heat, racing pulse, sweat, nausea, purge. And then—clarity. A reset. The Varinawá call it alignment with life.
One night by the fire, the shaman told me how the tribe was struck by a new sickness brought by white outsiders. Desperate, the pajé drank ayahuasca to ask for help. In the vision, a luminous frog appeared from the branches and the vine spoke: use its milk. The next day they gathered the frog with care, applied the secretion, and the fevers began to break. Since then, Kambô has been not only a hunter’s ally but the medicine the forest revealed for all kinds of sickness.
Flowing from that origin, the teaching becomes a shape for a life. Among the Varinawá, Kambô is the threshold of manhood. When a boy is ready, the elders place 60–120 dots. The body drops: he faints, purges, shit, sometimes loses control. That collapse is the first lesson: endurance without bravado. When he stands again, the rite continues in the only way that matters there: he must hunt and return with game. Only then is he named a man.
In this ethic, manhood is three things: strength proven by endurance, humility learned through suffering in front of others, and responsibility shown by providing for the village. Not a speech or a vision, but a body tested by the forest and returned useful.
Don Gardel, the Frog Man
Later, I trained with Don Gardel, a mestizo shaman in Peru who learned Kambô from the Matsés. He has treated people for more than thirty years. From him I learned humbleness, quiet respect, and a simple love for this medicine. Where the Varinawá speak of panema, Gardel speaks of “clearing the blood,” unblocking emotion, and strengthening spiritual defenses. He keeps things plain: do the work, honor the frog, help the person.
Once he told me that when he had no money, a huge Kambô appeared at the door of his hut. “With this frog,” he said, “I made five Kambô sticks. I sold them and had enough for my family.” No drama—just the forest providing when approached with respect.
To understand his way, you have to follow him into the night. We left for the ponds after dusk. He sang, mimicking the frog’s call; when Kambô answered, we moved toward the sound. A flashlight caught the twin reflections of eyes in the branches—the sign. Kambô doesn’t spook like other frogs. He sits, unafraid. Gardel climbed, took him gently, and collected the secretion with care, always leaving some on the forearms so the animal kept its defenses, then returned him to the forest.
Once we found a dead frog. “Knife cuts,” he said—hunters forcing secretion. Tears stood in his eyes. “He helps us live. How do we kill him for money?” In that moment his teaching was clear: Kambô is not a commodity; it is a relationship of reciprocity and respect. Simplicity is the way.
Permission vs. Certification
For Gardel, the rule was plain: permission comes from the frog, not from people. You don’t become a server of Kambô by studying a manual or passing an exam; you become one when, after dieting the frog, it comes in vision and teaches you. If it doesn’t, you keep learning—quietly, humbly—until it does. The paper world loves certificates; the forest doesn’t read them. A stamped document can teach hand placement and first aid, but it cannot give you a relationship with the spirit that holds the medicine.
At the end of my dieta, I drank ayahuasca to ask for that permission. In the vision I was the frog: tied down, limbs stretched, beaten and mocked, until rage rose like fire. I shouted, “Bastards! Do you want my juice? Then take it all.” My skin began to secrete a white milk, and they collect it. Inside the vision the frog spoke through me: “This milk is full of my anger. I keep it to survive. You have lost this anger—the fierce will that fights for you. You need mine to face your sickness.”
That teaching was my seal. I understood that what we call “venom” is the frog’s healing rage—not hatred, but a lucid, protective force we’ve forgotten how to summon. The spirit’s yes wasn’t a diploma; it was the charge to carry that force with humility, to serve simply, and to keep the pact of reciprocity alive.
Indigenous Patrimony
Once, in Marechal Thaumaturgo, a river town at the forest’s edge, an Indigenous man threatened to denounce me to the police for serving Kambô even if I was doing it on donation. It stung and it taught me. In Brazil, Kambô is held as an Indigenous cultural patrimony. The rule that only Indigenous people may serve it isn’t bureaucracy; it’s a shield, meant to protect tribal knowledge and the frog from outside exploitation that would turn a living medicine into a market.
My training made this clear: in the jungle there are no real borders, families and medicines flow across rivers, but there is guardianship. Kambô belongs to a people and a place. As guests, we move with permission, reciprocity, and humility: ask, don’t assume; support the community; respect the frog. Sometimes the right to serve isn’t ours to claim. Kambô is not a product. It is patrimony, kept alive by those who carry it and by how the rest of us choose to honor them.
From Tradition to Paojilhuasca
Those forest lessons didn’t stay in stories; they shaped our work at Paojilhuasca. We use Kambô to purge and heal at the same time, not just to empty the stomach before ceremony, but to clear the blood, calm inflammation, wake immunity, and steady the nerves so deeper work can happen safely.
This is especially important in our addiction treatments. Before anyone sits with ayahuasca, Kambô helps clean the body, cutting through fog, resetting sleep and appetite, easing the edge of cravings. When the physical ground is cleaner, the ayahuasca work lands better and integration holds longer. Sometimes, when ayahuasca is contraindicated (medications, acute instability), Kambô becomes the main road for a while.
One guest, a nurse who arrived still on antidepressants, wanted to drink ayahuasca, but because of serotonin-syndrome risk we chose not to serve it. Instead, we worked Kambô daily for the rest of her stay: small, careful sessions, lots of water discipline, quiet walks, simple food. On the first days she mostly slept; then something began to lift. The heaviness loosened from her face; mornings felt lighter; she started laughing in the kitchen again. By the time she returned home, friends and colleagues were astonished: same woman, different light. We hadn’t “treated her mind”; we had worked the body, and the mind cleared with it. That old split is mostly a story; in practice, they heal together.
Stories like hers invite a harder question: what, exactly, is moving through the body when Kambô moves? From our jungle clinic, let’s turn to what science can (and can’t) explain.
When the Body Speaks
Kambô isn’t an anesthetic; it’s an amplifier. It turns the body’s whispers into drums so you can’t pretend not to hear. Heat, pressure, swelling, nausea: signals surge, not to punish you, but to wake your immunity and your forgotten capacity to heal yourself.
Arnold Mindell calls this the dreambody: symptoms as messages from a deeper intelligence. In Process Work you amplify the signal—lean into the tremor, the ache, the tight breath—because inside the discomfort is information, direction, a next move. Kambô does something similar in the jungle clinic. It makes the message loud enough to read: this food burdens you; this organ is tired; this habit keeps you numb; this grief needs a door.
Most of us try to mute symptoms: swallow the pain, outpace the fatigue, medicate the message. Kambô does the opposite. It makes you aware. And in that awareness, a different medicine appears: responsibility. Eat cleaner. Breathe slower. Rest when the body asks. Repair what’s frayed.
The purge is only the storm. The healing is what you do after when the body’s language is fresh in your mouth and you finally choose to listen.
Science Meets Secretion
Outside the forest, people call them peptides; inside, we just say frog medicine. Either way, Kambô is not one thing but a small orchestra. Different families of peptides wake different parts of the body—some open vessels and stir smooth muscle, some fire up innate defenses, others act like tiny scalpels on microbes.
The result is the same pattern we see again and again: the body storms, then clears; heat rises, the gut wrings itself clean, the pulse pounds—and afterward there’s a bright, grounded window where energy returns, attention sharpens, mood lifts. Not psychedelic, yet undeniably a state change.
Kambô in the Jungle Clinic
Seen up close, the range is wide. I’ve watched Kambô help with stubborn infections and chest congestion; with endometriosis and painful menses; with arthritis, chronic pain, addictions, and low mood. I’ve seen surprising shifts in fertility, in Lyme, even in people living with HIV under sustained protocols. It makes sense to me that a medicine with so many active notes can touch so many systems: anti-inflammatory, antimicrobial, anesthetic, vasoactive—all moving together like one force through the body.
There is also a diagnostic mirror to it. In the ceremony, the body “speaks” plainly. When the purge is light and white, the lungs seem to be clearing. When it turns yellow or green, the liver–pancreas axis is under load. Red or brown streaks warn of possible intestinal irritation. A puffy, flushed face often points to dietary overload: too much processed food, sugar, or alcohol. And sometimes you feel a hot spot bloom in one place: the medicine finding where the trouble hides. It’s not a lab test; it’s a phenomenology the forest taught: listen to what the body shows.
As my colleague Dr. Caterina Conti—a physician and Kambô practitioner—likes to say, “Kambô is the best doctor I’ve met: he comes to the patient, scans the whole body, makes its diagnosis, and treats at the same time. Without the loss of time of Western processes. Without the fear of mistakes and lack of responsibilities that Western doctors have to practice these days.”
Watching Don Gardel, her line comes alive. Thanks to experience and a living connection with the frog, he reads swelling, heat, bile, breath—the grammar of the purge—not from manuals but from the medicine itself, and then he acts simply and precisely. It isn’t a rejection of hospitals; it’s a different intelligence at work: the jungle’s way of seeing, deciding, and healing in one continuous motion.
HIV: Lab Signals, Lived Questions
This is the edge where science and story shake hands. In my practice, three people living with HIV reported striking improvements after sustained Kambô while discontinuing their standard care. That’s lived experience, not a clinical trial. In the lab, frog-skin peptides from the same families we meet in Kambô show envelope-level antiviral actions: cationic, amphipathic molecules that bind and destabilize membranes, explored as broad antimicrobials and even antitumor leads. Put simply, they act early, where a virus tries to enter.
Do we have human trials for HIV? Not yet. But the mechanism suggested by bench science—membrane disruption and entry blocking—matches what some of us notice in the field: inflammation down, vitality up, opportunistic symptoms easing. So we keep doing what good medicine people have always done: document carefully, stay humble, and keep asking the right questions, while remembering that a frog is not a pharmacy; it’s a teacher whose language is the body.
Guardians of the Frog
Kambô is not infinite. As the medicine travels, so do bad habits: frogs kept in sacks, scraped raw with knives, “milked” until they weaken; sticks sold with no story, no reciprocity. Treat the frog like a resource and, sooner than we think, the medicine itself begins to vanish.
Brazil answered this with a shield: Kambô is Indigenous cultural patrimony; the right to serve it lives with the peoples who carry it. That law isn’t a wall against outsiders—it’s a protection for the frog and the knowledge, so the forest doesn’t get mined into a marketplace.
Gardel showed me what that protection looks like in the hands: call the frog by song, take him gently, leave secretion on the forearms so his defenses remain, return him alive to the branches, and let him rest. Refuse sticks with no lineage. If you can’t answer, Who found this frog? Was he returned alive? Who is fed by this work?—then you don’t serve. It’s that simple.
The future of Kambô is not guaranteed by demand; it’s guaranteed by care. Honor the communities, pay fairly, learn their rules, keep the frog whole. If the animal disappears, the medicine disappears. If we keep the covenant—reciprocity over profit, guardianship over glamour—the song goes on, and the frog that wakes us will still be there to sing.
Jungle in the Blood
Kambô is a jungle medicine carried to us by jungle people, people who still walk with the forest, not over it with bulldozers. It is a spark the forest lends us. It doesn’t hand down commandments; it turns the volume of the body to where truth can’t be ignored and hands you back the keys you keep giving away to fear, to screens, to hurry.
Listen: you are not separate. You are a microcosm of the great green body. Your pulse is river, your lungs are canopy, your nerves are vines learning the light. The frog doesn’t offer a lifestyle; it calls an uprising: small, intimate, unstoppable. One human at a time, one breath at a time, putting the phone down, feeling the feet on ground, saying yes to what is alive and no to what is deadening.
This is the revolution the elders keep whispering: remember. Remember you are the forest. Remember your beauty and your power. Kambô doesn’t give you power over anything; it returns power with—with your body, with the earth, with each other. It burns, you empty, and what rises is your magnificent essence, unashamed and ready.
Let it begin here, in one small human being—then another, then another—until the world hears the frog singing from inside us all.