Cascara Sagrada
Frangula purshiana
A 'sacred bark' that is a powerful stimulant laxative for short-term constipation relief.
Traditional use (indigenous-americas): A 'sacred bark' that is a powerful stimulant laxative for short-term constipation relief.
A 'sacred bark' that is a powerful stimulant laxative for short-term constipation relief.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- A 'sacred bark' that is a powerful stimulant laxative for short-term constipation relief.
Evidence strength: stronger human.
- See the evidence level above
- Stimulant laxative: cramping, dependence, electrolyte loss; must be aged; not long-term or in pregnancy.
- Pregnancy/breastfeeding
- Bowel obstruction
- Long-term use
- Children
Stimulant laxative: cramping, dependence, electrolyte loss; must be aged; not long-term or 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.