Parasite Cleanse Pt1: Black Walnut

By: Nina Bergstedt

As you’ll read in our other articles about health and healing the body, the first place to start is getting rid of mucus and parasites in the body. This article will provide information on one of the most effective parasite cleanses, that also comes with tons of other health benefits…. wormwood and black walnut!

With this cleanse, both should be taken together, as directed on the bottles. Drink lots of water and do your best to stick to a raw vegan diet. Remember there is no benefit of detoxing the body, if you are going to continue to put in what you’re pushing out

Uses and benefits

1. Expels Parasites

One of the key active components of the black walnut hull is juglone. Juglone exerts its effect by inhibiting certain enzymes needed for metabolic function. It’s highly toxic to many insect herbivores — it’s often used by organic gardeners as a natural pesticide — and researchers have observed that black walnut can expel parasitic worms from the body.

According to the Pharmaceutical Society of Australia, black walnut is effective against ringworm, tapeworm, pin or thread worm, and other parasites of the intestine. This is why black walnut makes a great addition to any parasite cleanse.

2. Promotes Healthy Skin

The tannins in black walnut have an astringent effect, which is used to tighten the epidermis, mucous membranes and relieve irritation. Dermatological applications associated with black walnut include viral warts, eczema, acne, psoriasis, xerosis, tinea pedis and poison ivy.

3. Improves Cardiovascular Health

Black walnuts are an excellent source of alpha-linolenic acid (ALA), with 100 grams of the walnuts containing 3.3 grams of ALA. Walnuts are an excellent staple of the Mediterranean diet, a diet thought to be healthy in reducing mortality rates from coronary artery disease, which is low in Mediterranean populations.

Recent epidemiological studies suggest that frequent consumption of walnuts may have protective effects against coronary heart disease because of the promising effects on blood lipid profiles. In clinical studies, diets supplemented with walnuts decreased serum concentration of low-density lipoprotein and cholesterol. Other potential protective constituents include high amounts of magnesium, vitamin E, protein, dietary fiber, potassium and alpha-linolenic acid.

4. Holds Antifungal and Antimicrobial Activity

The juice from unripe black walnut hulls has been used in folk medicine for many years as a treatment for topical, localized dermatophytic fungal infections, such as ringworm. These fungal infections usually involve the keratinized tissues, such as hair, skin and nails. Such infections may be chronic and resistant to treatment but rarely affect the general health of the patient.

It’s been suggested that the biological activity of the black walnut hull is due to the naphthoquinone, juglone (5-hydroxy-1,4 naphthoquinone). The antifungal activity of juglone has also been compared to other known antifungal agents, such as griseofulvin, clotrimazole, tolnaftate, triacetin, zinc undecylenate, selenium sulfide, liriodenine and liriodenine methionine. In a study, it was determined that juglone exhibited moderate antifungal activity similar to zinc undecylenate and selenium sulfide, which are commercially available antifungal agents. Internally, black walnut is also used for chronic constipation, intestinal toxemia, portal congestion, hemorrhoids and giardia.

The derivatives of 1,4-naphthoquinons have been of great clinical interest since these compounds exhibit strong activity as antibacterial and antifungal agents. A series of 50 naphthoquinone derivatives was synthesized and evaluated for antibacterial and antifungal properties, with highest activity against S. aureus and candida symptoms and moderate activity against gram-positive and acid-fast bacteria. Another study showed that juglone potentially can inhibit three key enzymes from Helicobacter pylori, a gram-negative bacterium that causes several human gastrointestinal diseases. Several algae species, including Anabaena variabilis and Anabaena flos-aquae, were inhibited significantly by juglone as well.

5. Helps Protect Against Cancer

Quinones have been associated with anticancer activity. Juglone is a quinone found in the leaves, roots and bark of black walnut trees. The exocarp of immature green fruit, bark and branches has been used in China to treat liver, lung and gastric cancer. Juglone blocks potassium channels, promotes the generation of hydrogen peroxide and inhibits transcription in cancer cells.

In a recent study, it was shown to promote cell death in human colorectal cells, and given black walnuts juglone content, it could make the black walnut a potential cancer-fighting food.

How to Use and Cook Black Walnut

The vast majority of walnuts purchased in stores are English walnuts, which are easier to crack and larger than black walnuts. In some places, black walnuts can be purchased in stores or at a reputable online store.

The meat encased in the black walnut is much smaller and more difficult to pick out of the shell compared to other walnuts. For this reason, black walnuts are chopped. One reason people would leave black walnut alone is that it’s literally a tough nut to break. Aside from using a huller, people find other ways to crack the shell, such as a hammer or a rock.

Once the nuts are hulled, they need to dry for a few weeks before cracking. A rule of thumb is to leave them until you can hear the nuts rattle when you shake it.

If living in one of the states where black walnuts grow, these can be purchased at the local farmer’s market. These nuts can keep for a year in refrigeration and up to two years in the freezer.

If living in an area lacking in black walnut trees, it’s easy enough during the fall season to find black walnuts under the Hammons label at supermarket chains. At other times of year, black walnuts can be found under stores’ private labels or other national brand names. Either way, the nuts most likely came from Hammons. Black walnuts can also be purchased at a reputable online store, already shelled.

Predominantly green hulls in black walnut are more effective than hulls that were darker in color when harvesting or reading the supplement label. Black walnuts can be taken as a fresh plant liquid extract, one to 10 drops, one to three times per day in a little water.

Black Walnut History and Interesting Facts

Black walnut (Juglans nigra), also known as American walnut, is a large hardwood species in the Juglandacea family and native to eastern North America before spreading westward toward California. With heights reaching up to 100 feet and deep roots as long as 10 feet, it adds to the stability and support for the black walnut tree but makes it difficult to soak up water. This is the reason why black walnuts can be found growing in regions with occasional rainfall or near creek beds. The leaves are spear-shaped, light-green and several inches in length. The bark is black, deeply furrowed, thick and reveals a dark-covered subsurface when scraped. The tree is native to the Himalayas, Kyrgyzstan, Central Asia and was cultivated in Europe as early as 100 B.C.

Black walnuts have a long history in medicinal use and are one of the most versatile nuts in the world. The hulls are used to make a natural plant dye, with shades of deep brown, light brown or cream. The wood is very attractive, heavy and hard, making it the easiest type of wood to work with. The major use for black walnut today is for the home to make interior finishing, cabinets, furniture and veneers. Black walnut also was the preferred choice wood for gunstocks, popular among the gunsmiths in Pennsylvania using it for long rifles.

The black walnut tree also has been historically used to get rid of a fever and treat kidney ailments, gastrointestinal concerns, ulcers, toothache, snake bites and syphilis. Recent studies have shown that the husks of the black walnut contain chemicals that inhibit bacterial and fungal growth and may be valuable in controlling dermal, mucosal and oral infections in humans.

Cleaned and processed, black walnut shells were used as abrasives in filter materials. Researchers at Columbia University reported that extracts from the green hull in black walnut are capable of paralyzing mice, fish, rabbits and rats, which is currently illegal.

A Roman naturalist named Pliny the Elder discovered the healing power of black walnuts in the first century A.D. Herbalist Nicholas Culpeper prescribed walnut to draw poisonous venom from snake and spider bites in the 17th century. Native Americans used the bark, leaves, husk and nuts from black walnut trees medicinally, particularly as a mosquito repellant and to treat skin conditions and psychological disorders. They were also the first to use hulls as a natural laxative and for eliminating parasites in the intestine, which is the most commonly implemented today.

Black walnut continues to be a versatile and popular functional food as it was thousands of years ago. These walnuts are a delicious and favored addition in many culinary creations. Crack open the nuts, save the meat for cooking and eating, and crush the hulls into a powder to use them. You can also try black walnuts in soups, sprinkled on top of salads and baked into casseroles to experience a whole new flair in cooking.

Possible Black Walnut Side Effects and Precautions

When it comes to the topical application for skin conditions, potential side effects of black walnut are few. Due to the astringent action of the tannins, black walnut causes the top layer of the skin to become dehydrated and forms a thick layer of dense tissue similar to a callus.

For patients with nut allergies, an allergic reaction to black walnut may result in rashes, itchy and swollen skin, hives, chest pain, or problems with breathing. When taking any medications, herbs or supplements, it’s recommended to wait at least two hours after the consumption of black walnut because it may bind to other medications when taken at the same time. Caution is advised in patients who take blood pressure measure medication because black walnut may alter the drug.

Black walnut may have additive effects with antimicrobials and laxatives. Caution is also advised when taking herbs, medications or supplements used for nausea, gastrointestinal issues, inflammation, cancer, along with herbs, supplements and medication that harm the kidney or liver or herbs and supplements that contain tannins. Black walnut is not recommended for pregnant or breast-feeding women or for extended periods of time.

The fresh green husk can cause irritation and blistering when applied to the skin in excessive quantities. Taken internally in large doses, it’s a sedative to the circulation system and heart.

How to use

Skin Conditions

Black walnut benefits may include helping to treat many other skin conditions and problems like acne, eczema and psoriasis.

For acne, the tincture is taken both internally and sometimes apply diluted externally as a skin treatment. If applying it to your skin, it would once again be best to test it first for your own sensitivity.

To do this, mix a few drops in warm water and dab a small area in an inconspicuous part of your face with a cotton ball and leave it for an hour or two to see if you have any reaction.

While there are reports online of success with using black walnut extract internally for eczema and psoriasis, the tinctures extracted in alcohol could be too harsh for these skin conditions.

It may be gentler and more effective to mix a small amount of black walnut hull powder with these avocado oil treatments for psoriasis and eczema. Especially with these conditions, make sure you patch test well first, perhaps even overnight, before using them on potentially sensitive areas.

Warts, Cold Sores and Herpes

Warts are growths on the skin caused by a viral infection. Black walnut hull extract is often reported to make warts shrivel up and die.

It is applied directly to the wart daily and covered with tape. This may take several weeks but many people find their warts starts shrinking and eventually die and fall off with this treatment.

There have also been cases discussed in online forums of multiple warts shrinking and disappearing after regularly taking these black walnut powder capsules. The suggested dosage was 2500 mg of capsules for breakfast and again with dinner.

Cold sores are also treated and their healing speeded up with black walnut hull tincture by painting them with a cotton wool bud several times a day. Due to the high natural iodine content, this would be visible so may be best done on a day off or before bed.

Herpes simplex type 2 is a more virulent outbreak of the HSV virus around the genitals. While the tincture or powder made into a paste may help speed up the healing of herpes blisters, it is reported that regularly taking black walnut as a supplement can greatly reduce the frequency of outbreaks.

Stop Sweating

In one of the more unusual benefits of black walnut, it is known to help reduce excessive sweating. The high levels of astringent tannins contained in the hulls are believed to have an effect on overactive sweat glands and decrease the amount of sweat they produce.

Digestive Benefits

Alongside its powerful anti-parasitic and anti-fungal properties for your gastrointestinal tract, black walnut has other beneficial effects on your digestive system.

Black walnut hull is said to tone and heal inflamed intestinal tissue, as well as improving the environment of the digestive tract for more effective assimilation and elimination.

It is for this reason that black walnut is unusually considered a treatment for both constipation and diarrhea.

Sore Throat Treatment

You can gargle with black walnut extract diluted in water to treat a sore throat, tonsillitis and mouth sores. Once again, the astringent tannins and naturally antiseptic iodine provide the health benefits.

Cardiovascular and Diabetes Benefits of Black Walnuts

In a study entitled The Effects of Daily Black Walnut Consumption on Blood Lipid Levels, black walnuts were shown to reduce LDL cholesterol (the dangerous kind) for men by over 4%, even further than the more common English walnuts in the same study. The researchers also noted that no weight gain was associated with their consumption.

Black walnuts have a similar nutritional profile to English walnuts and the same diabetes and cardiovascular benefits for lowering high blood pressure and reducing blood sugar levels can be gained from eating them.

Anti-Cancer Black Walnuts

Numerous studies have found juglone, a cytotoxic compound found in walnuts, and most predominately in black walnuts, to have anticancer properties. Juglone has been demonstrated to lead to cancer cell death by both apoptosis and necrosis (Juglone, a naphthoquinone from walnut, exerts cytotoxic and genotoxic effects…).

Black walnuts are also rich in powerful polyphenols, omega-3 fats and melatonin. All of which have properties that may help protect you from developing cancer.

Eating Black Walnuts

While English walnuts are a very healthy food that can be eaten in moderation every day, fresh black walnuts like these appear to be a more high-powered version and are perhaps better viewed as a medicine, rather than a snack food to be eaten in great quantities.


Like intestinal worms, candida overgrowth is another common, yet rarely diagnosed and debilitating health problem affecting many people. Most people have some of the candida albicans yeast in their digestive systems and other areas of the body. Problems start though when intestinal conditions deteriorate with a diet high in simple sugars, drinking chlorinated water, prolonged stress and especially antibiotic use.

Intestinal candidiasis is an overgrowth of the candida fungus, which can actually weaken the walls of your intestines and release toxins into your bloodstream. This plays havoc with your immune system and can manifest in a whole range of baffling symptoms which can be very difficult for your doctor to diagnose.

Unfortunately, the common prescription of more antibiotics will often make things much worse. What is needed is a significant change of diet and a treatment plan, followed by effective probiotics to help normalize the intestinal environment and bring the overgrowth under control.

Studies on compounds found in black walnut extract have shown it to be as effective against candida as commercial antifungal treatments like selenium sulfide and zinc undecylenate.

It is believed that the naphthoquinone juglone, high levels of astringent tannins and other compounds in black walnut treatments change the intestinal environment to make it unfavorable for the candida albicans fungus and other harmful parasites.


These same antifungal properties make black walnut hull tincture a popular treatment for athlete’s foot, ringworm, jock itch and other fungal infections of the skin.

To treat these fungal skin conditions the black walnut tincture can be applied externally to the affected areas and is often reported in online forums to be more effective for those who try them than pharmaceutical preparations.

Always patch test any preparations like this on the skin of your inner arm for several hours before using them to test for allergic reaction

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