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Oak Bark

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Introduction

Oak bark comes from the solid exterior of oak trees. It has been used to ease swelling, treat wounds, and calm irritated skin. Oat bark can be taken as a pill, powder, or extract. It can also be made into a tea or used as a salve.

Dosages

There aren’t any advised doses for oak bark.

What Research Shows

Not Enough Data to Assess

There is not enough data to support that oak bark 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 is likely safe to use oak bark on unbroken skin. It is also likely safe to take oak bark orally in small doses for a short time, but it may cause allergic reaction.A1 Not enough studies have been done to say whether it is safe to use for a long period or by women who are pregnant or breastfeeding.

Interactions

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

References►

A1. Loria RC, Wilson P, et al. Identification of potential allergens in white oak (Quercus alba) pollen by immunoblotting. J Allergy Clin Immunol. 1989 Jul;84(1):9-18.

Last reviewed March 2020 by EBSCO NAT Review Board Eric Hurwitz, DC
Last Updated: 6/29/2020

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