Black Walnut Hull Powder

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Black Walnut Hull Powder

Standardized: black walnut


Juglans nigra L.
Plant Family: Juglandaceae

Black walnut, a flowering tree in the Juglandaceae family, can grow up to 150 feet in height.

The bark is black, thick and deeply furrowed. When scraped with a knife, it reveals a chocolate-covered sub-surface. The twigs are stout, greenish or orange-brown in color, and may be hairy or smooth. The pith is dark brown in color and is partitioned when sliced with a knife. The leaves are alternate and pinnately compound. When crushed, the leaves have a distinct “walnut” smell.

The flowers are borne separately, but on the same tree. They appear as yellow-green catkins, and appear when the leaves are partly grown. The staminate (males), are most abundant and are thicker when compared to the pistillates (females), which are fewer in number and smaller. The flowers have no petals.

The fruits (walnuts) occur singly or in groups of 2 or 3. They are spherical in shape and 2 inches or larger in diameter. The outer husk is yellow-green, but quickly darkens and turns black when they fall to the ground. The inner nut has a very hard shell, is dark brown in color, deeply ridged and has a sweet tasting edible nut.

common names
& nomenclature 

Juglans comes from the Latin words jovis and glans meaning nut of Jove. Nigra means black, in reference to the dark bark and nuts.

Also known as:
black walnut, american walnut, eastern black walnut, carya, carya basilike, carya persica, green black walnut, green walnut, juglans nigra, jupiter’s nuts, nogal americano, nogal negro, nogueira-preta, noix, noix de jupiter, noix de perse, noix verte, noyer d’amérique, noyer noir, noyer noir américain, nux persica, nux regia, schwarze walnuss, walnoot, and walnut


The black walnut is a 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.


The powdered hull.


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


Specific: Not recommended for long term use.
General: We recommend that you consult with a qualified healthcare practitioner before using herbal products, particularly if you are pregnant, nursing, or on any medications.

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.
Black Walnut Hull Powder

1oz, 4oz, 8oz, 1lb

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