Herb Profile: Black Walnut Hull

Black Walnut Hull or Juglans Nigra is, just as it sounds, the  hull of the black walnut tree. The Black Walnut tree grows in the eastern US and parts of Canada, and while easy to grow, it is not plentiful.

Black Walnut has been used in herbal medicine for thousands of years. It has been used throughout history for treatment of intestinal problems, snakebites, open wounds, ulcers, scurvy, and as one of the most effective laxatives available. Because of its dark color, the outer hull is also used as a dye and was used in brown hair dye until the early 1900s. Black walnut is a good source of beta-carotene, acids, calcium, iron, magnesium, manganese, phosphorus, potassium, selenium, silicon, zinc, tannin, B-vitamins and vitamin C.

Today, black walnut hulls are used to help with many conditions. It is known to be a gentle and effective laxative. Black walnut is known as an effective anti-viral and is used to fix warts, which are caused by viruses. Black walnut is an anti-fungus and has been used to fight herpes, cold sores, athlete’s foot and Candida. It has been used as an antiseptic to combat illness like sexually transmitted infections and malaria and can be used to treat acne.

According to scientific labs:

Black Walnut Hull may help to lower blood pressure and serum cholesterol levels and is believed to burn up toxins and fatty materials while balancing blood sugar levels. This activity may help to ward off heart disease.

The tannins in Black Walnut Hull (and leaves) possess an astringent quality that is thought to shrink the sweat glands and reduce excessive sweating.  The herb is said to help control menorrhagia, the excessive loss of blood during periods. It is also used to control diarrhea.

Black Walnut Hull is considered a tonic that aids digestion and the intestinal system. It helps to relieve colic, heartburn and flatulence.  As a cholagogue, Black Walnut stimulates the flow of bile into the intestines and is thought to ease bilious colic and pain in the spleen.

Perhaps Black Walnut’s most well-known property is its ability to fight intestinal parasites. It is a well documented vermifuge that is effective at helping the body rid itself of parasites. As a laxative, it expels parasites as part of its cleansing of the body and the high tannin and juglone content is thought to oxygenate the blood and kill parasites. Black walnut is effective against pinworm, ringworm, tapeworm and other intestinal parasites.

According to BulkHerbStore.com, black walnut can be used for:

Indicated Usages – Internal:

Ballooned or relaxed colon	Constipation
Diarrhea	Parasites (intestinal worms)
Sore throat, tonsillitis	Warts

Indicated Usages – External:

Abscesses, boils	Acne
Conjunctivitis, eye disorders	Nosebleed
Leukorrhea, yeast infection, candida	Hemorrhoids
Eczema, psoriasis, shingles	Ringworm (tinea)

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