Quassia
Quassia amara
One of the bitterest woods, used as a digestive tonic and for intestinal worms.
Traditional use (indigenous-americas): One of the bitterest woods, used as a digestive tonic and for intestinal worms.
One of the bitterest woods, used as a digestive tonic and for intestinal worms.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- One of the bitterest woods, used as a digestive tonic and for intestinal worms.
Evidence strength: traditional use.
- See the evidence level above
- Large doses irritate the gut; avoid in pregnancy.
- Pregnant/breastfeeding people without medical advice
Large doses irritate the gut; avoid in pregnancy.
May interact with prescription medications — review with a clinician if you take any.
Use caution in pregnancy, breastfeeding, for children, and with chronic disease unless cleared by a clinician.
Choose reputable, tested suppliers; correct identification is essential for wild-harvested plants.