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Prickly Ash


Prickly ash is a tree. The bark has been used to improve oral health and reduce cold-like symptoms. Prickly ash has also been used to improve blood flow. It can be taken as an extract.


There are no advised doses for prickly ash.

What Research Shows

There is not enough data to support that prickly ash 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.

Safety Notes

It may be safe to take prickly ash in small doses for a short time. Not enough studies have been done to say whether it is safe to use for a long period. It is also not known whether it is safe to take by women who are pregnant or breastfeeding.


Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse such as:

  • People taking blood thinners should talk to their doctors before taking prickly ash. It may interact with the medicine.

Last reviewed December 2015 by EBSCO CAM Review Board  Last Updated: 4/17/2020