Buckthorn is an herb that grows in North and South America. It has been used as a strong laxative. Buckthorn can be taken as a pill, powder, or extract. Buckthorn is a different plant than sea buckthorn.
There are no advised doses for buckthorn.
There is not enough data to support that buckthorn is helpful in treating health problems. We will review future studies as they are published.
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.
It may be safe for most adults to take buckthorn in small doses for a short time, but nausea and vomiting are possible. Buckthorn should not be used for a long time. Women who are pregnant or breastfeeding and children should not use buckthorn.
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