Educational information, not medical advice — ask your doctor or midwife.
Chuchuhuasi is the bark of a tall Amazon rainforest tree, Maytenus krukovii. In folk practice it is taken for joint pain, back pain, stiffness and tiredness. Its standing in Amazonian tradition is strong, but human trial evidence is essentially absent.
You will usually meet it as bark chips soaked in cane rum, or as a bottled tincture, tea or capsule sold as a "tonic" or joint remedy. In Peru, Ecuador, Colombia and Brazil a small glass of the rum steep is a household staple.
A long history of use tells you a plant is familiar and broadly tolerated by the people who use it. It does not tell you the plant works, and that point is made here once for the whole page.
Nobody has shown how chuchuhuasi works in people. The honest answer is that the mechanism is unproven.
Laboratory work suggests the bark contains compounds that can damp down inflammation (the body's swelling-and-pain response) and relax smooth muscle. These are test-tube and animal findings, and they do not prove anything about your joints.
Most traditional preparations are soaked in strong alcohol. Some of the warming, loosening feeling people describe may simply be the alcohol.
Chuchuhuasi is sold in a few simple forms:
Bark chips or shavings, simmered into a decoction (a strong boiled tea).
Alcohol tincture or the traditional rum maceration, where bark sits in cane spirit for weeks.
Powdered bark in capsules, and occasionally as an ingredient in multi-herb "joint" or "energy" blends.
Quality varies widely. Bark is sometimes mislabelled, and the related species Maytenus macrocarpa is often sold under the same name.
Chuchuhuasi has been used for generations by Indigenous and mestizo communities of the western Amazon, including Quechua, Shipibo and Kichwa peoples. The name is often translated as "trembling back", pointing to its main use for back and joint pain.
It spread through Amazonian market towns as a rum-steeped tonic and reached the international supplement trade in the late twentieth century.
See a doctor if joint or back pain lasts more than a few weeks, gets worse, or comes with fever, swelling or weight loss. Stop the bark and seek medical care straight away if you notice yellowing of your skin or eyes, dark urine, unusual bruising or bleeding, severe stomach pain, or a rash that spreads. Tell your doctor or pharmacist you are taking it before any surgery, and before starting any new prescription.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
Reviewed by the HealisticMD editorial team How we grade evidence →
The published evidence for Chuchuhuasi is weak or absent. That usually means no controlled trial has tested it, not that a trial found it ineffective — the two are different, and we grade only what has been published.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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