Black Walnut Hull Profile

Also known as

Juglans nigra, English Walnut, Akschota, ructus Cortex, Juglans, Juglandis, Juglandis Folium, Juglans regia, Nogal, Walnut, Walnut Fruit, and Walnut Hull.

Introduction

The black walnut is native tree of North America. Black walnuts are smaller, harder, and more pungent than the English walnuts sold in grocery stores. The hulls without the meaty kernels inside are used in herbal medicine. Black walnut trees exude a sap that discourages growth of competing plants over their roots.

Constituents

Juglone, vitamin C, zinc.

Parts Used

The powdered hull.

Typical Preparations

Tinctures, pastes and slurries. Up to 1 teaspoon of the herb 3 times a week taken internally as a tea.

Summary

Black walnut hulls contain juglone.

Precautions

Black walnut hulls are safe for occasional use of up to 2 weeks at a time, but black walnut heartwood is not. Avoid herbal remedies which contain heartwood.

For educational purposes only This information has not been evaluated by the Food and Drug Administration.
This information is not intended to diagnose, treat, cure, or prevent any disease.