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Black Walnut Extract Review – 8 Facts You Need to Know

By Sasha de Beausset Aparicio, MSc

Reviewed by Rebecca Williams, MD, MA, MB, BChir

Last Updated:

Evidence Based | Facts | Ingredients | Claims | Cautions | Cost | Directions | Verdict

Black Walnut Extract is an herbal formulation which could be used in the treatment of intestinal disorders, in managing cholesterol levels and hypertension. The company that manufactures this product is Mountain Rose Herbs.

Mountain Rose Herbs is a company from Oregon, in the United States that has been selling herbs and herbal remedies since the second half of the 1980s. One of its most important values is the importance of green agriculture, as a result almost all the herbs it uses as ingredients are either organic or wild harvested. There are not very many online consumer reviews on Mountain Rose Herbs or its products.

According to the manufacturer, Black Walnut Extract is an organic liquid tincture obtained after an extraction process which usually lasts about two months. Tinctures are usually more potent than dried extracts and capsules therefore you need to take a smaller daily dose. In addition, they also act faster and last for longer periods of time (about five years). The producer, Mountain Rose Herbs, does not specify when to use Black Walnut Extract. Based on the medicinal uses of black walnut hulls, the tincture could be addressed to individuals who have intestinal parasites and need cleansing, to people who have to keep under control their cholesterol and to those who have high blood pressure problems.

Facts

1) Black Walnut Extract Quick Facts

Black Walnut Extract is an organic tincture obtained from black walnut green hulls. Black walnut is native to North America, being slightly different from the English walnut. It is recommended for alleviating symptoms associatedwithstomach and intestinal disorders (like diarrhea and intestinal parasites), skin conditions, high levels of cholesterol and high blood pressure. According to specialists, black walnut contains juglone, zinc, and vitamin C. Juglone possesses antifungal, antibacterial, as well as antiviral properties, nonetheless it may also cause the death of a type of cells in the human and animal connective tissue. Moreover, juglone might also cause cancer according to some tests. Clinical trials on humans are nonetheless limited consequently further research would be necessary.

The short-term use of the herb is considered safe in general. Some people may experience allergies to black walnut, especially if they are also allergic to pecans. Black walnut applied topically might however be harmful if used on a daily basis, as some consider that it may cause lip or tongue cancer. The producer of Black Walnut Extract, Mountain Rose Herbs, also says that you should not use black walnuts for more than two weeks at a time.

Ingredients

2) Details on Black Walnut Extract Ingredients and Uses

Black Walnut Extract contains the following ingredients: fresh green hulls of black walnut and grain alcohol.

3) Is Black Walnut Extract Right for You?

Black Walnut Extract is a liquid dietary supplement based on green hulls of black walnut, an ingredient which has been used in remedies for a long time. Thus, it is considered useful in the treatment of gastrointestinal problems, skin disorders including fungal infections (such as herpes and eczema), Sore throat, high blood pressure, and high cholesterol levels. Black walnut is known to be especially useful in treating intestinal parasites (it is often used in combination with wormwood). Laboratory studies have shown green hulls may help in the treatment of diarrhea and nose bleeds partly because of their astringent properties. Scientific research is, however, considered insufficient and more tests need to be performed on humans.

According to specialists, one of the primary chemical compounds found in black walnut hulls is juglone. Juglone seems to be toxic to some cells (that make collagen proteins) found in the connective tissue of the human body. Some people also experience allergic reactions to black walnut, which include rashes and chest tightness. Mountain Rose Herbs also mentions that it is safe to use black walnut hulls only for maximum two weeks at a time.

Black Walnut Extract by Mountain Rose Herbs has not been evaluated by the Food and Drug Administration as regards the purity and the Effectiveness of its ingredients. Therefore, the producer has to mention on the product’s label that it is not intended as a treatment for any diseases. However, this is usually the case with dietary supplements.

We have not found online consumer reviews about Black Walnut Extract. They could have given us an indication of whether the formula developed by Mountain Rose Herbs is indeed valid.

Claims

4) Black Walnut Extract Claims

  • The average price of $8.50 would recommend Black Walnut Extract it as a moderately-priced formula
  • You may return it in maximum two months and receive a full refund
  • The product is certified organic

Cautions

5) What You Need to Know Before Taking Black Walnut Extract

  • Shipping fees are more than $6 when you order from Mountain Rose Herbs
  • Black walnut may interfere with other drugs and could be harmful when used for a long time
  • There are very few online customer reviews

Cost

6) How Much Does Black Walnut Extract Cost?

Black Walnut Extract is packaged in two types of dropper bottles, of one ounce and four ounces. The average price would be reason enough to recommend it as an affordable product. The tincture may be ordered from the Mountain Rose Herbs online stores, or by email, mail, fax, and telephone. You also have to consider shipping charges, as they may be relatively high when ordering from the manufacturer. Mountain Rose Herbs offers a two-month money-back guarantee. Unlike other companies, Mountain Rose Herbs does not charge restocking fees. However, customers would have to bear the return shipping costs of the product.

Black Walnut Extract is not available for sale in many online shops.

Directions

7) Black Walnut Extract Directions

The formula sold by Mountain Rose Herbs comes in bottles of wither one ounce or four ounces. You should know that Black Walnut Extract is a dietary supplement so it may be marketed without previous evaluation from the FDA. Mountain Rose Herbs does not recommend a maximum daily dose.

Verdict

8) Our Verdict on Black Walnut Extract

Black Walnut Extract may be effective especially for intestinal parasites, as this is the most frequent use of black walnut hulls. However, the plant also seems to have some side effects (juglone, one of its main chemical compounds, may have carcinogenic and mutagenic properties) which have not been thoroughly studied on humans. Therefore, if you plan on using the tincture, you should consult with a doctor about the length of the treatment that is appropriate for you. In addition, you should know that black walnuts may reduce the effects of drugs taken by mouth. We have not found online customer testimonials therefore we cannot say whether consumers experienced side effects.

4/5 - (3 votes)
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Walter T.

I take some Black Walnut Extract occasionally after a heavy meal and it really improves my digestion!

Will A.

I took some Black Walnut Extract once when I got traveler’s diarrhea and I have to say it worked pretty fast.