Cascara
© Steven Foster
Parts Used & Where Grown
Cascara is a small to medium-size tree native to the provinces and states of the Pacific coast, including British Columbia, Washington, Oregon, and northern California. The bark of the tree is removed, cut into small pieces, and dried for one year before being used medicinally. Fresh cascara bark has an emetic or vomit-inducing property and therefore is not used.
- Reliable and relatively consistent scientific data showing a substantial health benefit.
- Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
- This interaction is supported only by weak, fragmentary, and/or contradictory scientific evidence.
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This supplement has been used in connection with the following health conditions:
| Used for | Amount | Why |
|---|---|---|
|
Constipation
|
20 to 30 mg of cascarosides per day for no more than ten days |
[3 stars]
Cascara is considered a stimulant laxative because it stimulates bowel muscle contractions. Cascara has a milder action compared to other stimulant herbs. |
Traditional Use (May Not Be Supported by Scientific Studies)
Northern California Indians introduced this herb, which they called sacred bark, to 16th century Spanish explorers. As it is much milder in its laxative action than the herb buckthorn, cascara became popular in Europe as a treatment for constipation. Cascara has been an approved treatment for constipation in the U.S. Pharmacopoeia since 1890.1
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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2013.
