9 Best Black Walnut Supplements for Digestive Health

In today’s saturated supplement market, not all Black Walnut products are created equal. Some manufacturers cut corners by using low-grade fillers, mislabeling ingredient concentrations, or diluting extracts with cheaper substitutes - all of which can compromise product quality and consumer trust.

Poorly formulated supplements not only deliver subpar results, but may also lead to unwanted digestive discomfort or sensitivity due to inconsistent potency.

If you're looking for a natural way to support digestion and maintain gut health, Black Walnut supplements could be a great option. Used for centuries in traditional wellness practices, this botanical is known for its natural compounds that promote internal balance.

But with so many options available, how do you choose the one that’s truly worth your trust?

To help you make an informed decision, we've researched, compared, and curated a list of the highest-quality Black Walnut supplements - evaluated based on ingredient integrity, manufacturing practices, and real user feedback.

Comparison Table Of 9 Best Black Walnut Supplements for Digestive Health

How Do We Choose the Best Black Walnut Supplements?

Brand Reputation

Brand reputation plays a crucial role in ensuring the quality and consistency of Black Walnut supplements. Trusted brands with a broad customer base benefit from real-world feedback, making it easier for new buyers to evaluate product performance and reliability.

Reviews from online communities, health forums, and e-commerce platforms provide valuable insight into user satisfaction and common experiences.

In addition to public perception, reputable brands often adhere to strict manufacturing protocols and third-party testing standards. For example, Horbaach operates in certified facilities and applies a multi-step quality control process that includes raw material screening, purity testing, and product efficacy checks.

Similarly, NOW Foods is well known not only for its rigorous product testing but also for its leadership in sustainability and community health initiatives, having earned multiple industry awards for excellence.

Choosing a well-established brand helps minimize risks associated with contamination, mislabeling, or inconsistent potency—common issues with unregulated or lesser-known products.

Ingredients Quality

Beyond brand reputation, ingredient quality is the key factor determining the effectiveness of Black Walnut supplements. When choosing a product, prioritize those with clear origins and no unnecessary fillers, as these can reduce its effectiveness.

Black Walnut can be extracted using different methods, so carefully checking the ingredient label ensures you get the purest active compounds.

Another important factor is third-party testing, which verifies that the supplement meets safety standards and is scanned for heavy metals or harmful substances. Opting for a tested product with transparent ingredient disclosure provides greater peace of mind.

Form and Dosage

When choosing a Black Walnut supplement, the formulation and dosage are two key factors that affect its effectiveness. These supplements typically come in two common forms: liquid (tincture) and capsules, each with its own advantages and drawbacks.

Liquid extracts absorb more quickly and can be taken directly under the tongue or mixed with water, making it easier for the body to absorb the active compounds. Some tinctures also have a mild herbal taste that many find palatable.

However, liquid supplements come with downsides, such as fragile glass bottles, the potential for waste with dropper bottles when the product runs low, and difficulty in measuring precise doses.

On the other hand, capsules offer more accurate dosage control, ensuring consistent intake without the need for manual adjustments. They are also convenient for travel, resistant to breakage, and free from the strong taste that some liquid extracts may have.

Dosage may vary depending on the extraction method and ingredient purity. A commonly suggested approach for adults is taking 1/2 teaspoon of the liquid supplement twice daily for three days, followed by a second round after three weeks. This schedule is intended to support a more comprehensive approach to internal balance.

Regardless of the chosen form, it is essential to consult a healthcare professional before use, especially for individuals with underlying health conditions or those taking medications.

Manufacturing Standards and Certifications

When choosing a Black Walnut supplement, ensuring that the product is manufactured under strict standards is essential for quality and safety.

A reliable supplement should be produced in facilities certified by cGMP (Good Manufacturing Practices), which regulate the entire production process—from raw materials to the final product—minimizing the risk of contamination or loss of beneficial compounds in Black Walnut.

Additionally, reputable certifications from organizations like USP (United States Pharmacopeia) or NSF (National Sanitation Foundation) indicate that a product meets rigorous standards for quality, purity, and safety.

These certifications not only provide consumers with greater confidence in the supplement but also ensure that it is scanned for heavy metals, bacteria, or other harmful substances introduced during manufacturing.

Price and Value for Money

The price of Black Walnut supplements on the market can range from approximately $0.1 to $0.40 per serving, depending on the brand, ingredient quality, and extraction method. However, price alone does not determine the value of a product.

Supplements with higher concentrations of active compounds per serving often cost more but provide better effectiveness, reducing the need for frequent dosing and ultimately saving money in the long run.

When comparing prices, instead of focusing solely on the retail price, it is important to evaluate the total number of servings per bottle to get a more accurate understanding of the product’s actual value. A well-balanced choice not only considers cost and quality but also helps maintain long-term health without straining your budget.

Formula

The formulation of Black Walnut supplements is thoughtfully crafted to optimize their functional benefits, especially when combined with complementary botanicals.

Common combinations include ingredients like Sweet Wormwood and Cloves, which together create a robust herbal blend traditionally used to support digestive harmony and the body’s natural cleansing processes.

Additionally, certain products include Thyme, Garlic Bulb, and Clove Buds to further support gut health, and strengthen the immune system.

However, Black Walnut can also be used on its own while still providing significant benefits due to its high levels of tannins and juglone, which have antioxidant and digestive-supporting properties.

9 Best Black Walnut Supplements for Digestive Health

Horbaach Black Walnut Hulls Capsules | $8.99 - 120 servings

Review

Horbaach Black Walnut Hulls Capsules provide 1,000 mg of Black Walnut hull per capsule, supporting digestive comfort and internal balance. The product is lab-tested for purity and potency, and contains no gluten, dairy, wheat, artificial sweeteners, or GMOs. Backed by over 40 years of expertise in natural wellness, Horbaach is committed to delivering high-quality supplements.

Many users have shared that this supplement supports their overall well-being and contributes to a feeling of vitality and balance. Cammyjay noted that it "gives you an overall sense of wellness, makes you feel great and strong, revived, and is easy to swallow and digest" — also highlighting that it’s tasteless, gentle, and free from common allergens and additives.*

*Customers also frequently mention its value for money and the ease of incorporating it into their daily routine. With over 90% of nearly 1,500 reviews rating it 4 or 5 stars, this product enjoys strong consumer satisfaction and trust. *

Pros

• Provides 1,000 mg of Black Walnut hull per capsule, supporting digestion.
• Lab-tested for purity and potency, ensuring safe use.
• Free from gluten, GMOs, and artificial sweeteners, making it suitable for various dietary preferences.
• Capsules are considered gentle on the stomach and easy to swallow.*

Cons

• Some users have reported side effects such as mouth sores after use.*
• A few customers experienced headaches when taking the product.*
• Some users did not notice significant effects as expected.*

Herb Pharm Black Walnut Liquid Herbal Extract | $15.79 - 42 servings

Review

Herb Pharm Black Walnut Liquid Herbal Extract is a popular choice for those looking to benefit from the detoxifying properties of Black Walnut. This liquid extract formulation allows for easier absorption compared to capsules or powders.

A key highlight of this product is its use of fresh green hulls from the Juglans nigra tree, harvested from the wild and extracted while still fresh to maximize the bioactive compounds. Additionally, Herb Pharm ensures that no irradiation or heat processing is used, preserving the herb’s natural properties.

The product's ingredients include organic cane alcohol, vegetable glycerin, and organic vinegar, which work together to optimize the extraction of beneficial compounds from Black Walnuts.

This formulation also allows for rapid absorption into the body. Furthermore, Herb Pharm employs high-performance thin-layer chromatography (HPTLC) to guarantee the herb’s purity and potency.

Another noteworthy aspect is that this extract is gluten-free, non-GMO, and environmentally friendly. Herb Pharm was also certified as a B Corporation in 2018, reinforcing its commitment to sustainability and social responsibility.

User feedback has been largely positive. Athena shared: "Came on time. Good quality. I use this in 2 oz of water daily for 2 weeks. Works great!" This suggests that the product may offer versatile benefits when used consistently.*

Pros

• Available in two sizes: 1 fl oz and 4 fl oz, catering to different usage needs.
• Liquid extract form allows for faster absorption, enhancing effectiveness.
• Gluten-free, non-GMO, environmentally friendly, and suitable for a vegan diet.
• Utilizes advanced analytical methods (HPTLC) to ensure herbal quality.

Cons

• Some users did not notice significant effects after using the product for a short period.*
• Some customers reported that the product's quality has changed compared to previous purchases.*
• Contains alcohol, which may be a concern for those sensitive to it or looking to avoid alcohol in their diet.*

Vinatura Wormwood Black Walnut Cloves | $18.89 - 60 servings

Review

Vinatura Wormwood Black Walnut Cloves is a dietary supplement that combines three well-known herbal ingredients: Sweet Wormwood, Black Walnut, and Cloves. This formula has been traditionally used to support digestive health and promote overall well-being.

Each capsule contains 300 mg of Sweet Wormwood, 200mg of Black Walnut, and 100mg of Cloves—a powerful combination that helps maintain a balanced gut environment. Sweet Wormwood contains artemisinin, a compound studied for its digestive-supporting properties.

Black Walnut provides juglone, known for its role in keeping the gut clean. Meanwhile, cloves are rich in eugenol, which supports digestive health and has antioxidant properties.

This supplement is ideal for those looking for a natural and convenient way to support digestion. Made from plant-based ingredients, this product is vegetarian-friendly and free from common allergens such as dairy, soy, and wheat.

The product’s quality is strictly controlled, as it is manufactured in the U.S. in a cGMP-certified facility and undergoes independent third-party testing. This provides consumers with added confidence in choosing a safe and reliable herbal supplement.

Customer feedback on Amazon reflects diverse experiences. Some users have reported noticeable improvements after use.

Elena W, an Amazon customer, shared: "I’ve been using this blend for gut health and really noticed a difference in digestion and overall gut comfort. Easy to take, no side effects for me, and I love that it’s made in the USA. Will definitely repurchase!"* This suggests that some users perceive improved digestive comfort.

Meanwhile, Julie Tullio shared her expectations: “I have no idea if this is actually doing what I’m hoping—helping to clear out my system—but I hope so.”* This reflects the reality that the effects of internal detox support may not be immediately noticeable. However, the absence of adverse side effects can be seen as a positive indicator.

With nearly 90% positive reviews on Amazon and an Amazon’s Choice badge, this product has gained trust from many users seeking a natural digestive support solution.

Pros

• The formula combines three herbal ingredients—Sweet Wormwood, Black Walnut, and Cloves—to support digestion and strengthen the immune system.
• Vegetarian-friendly and free from common allergens such as dairy, soy, and wheat.
• Manufactured in the U.S. in a cGMP-certified facility and independently third-party tested to ensure quality and purity.
• Received nearly 90% positive reviews on Amazon and has been recognized as an Amazon’s Choice product.

Cons

• This combined formula may not be suitable for those seeking a product that contains only Black Walnut.

Wild & Organic Black Walnut Tincture | $17.99 - 168 servings

Review

Wild & Organic Black Walnut Tincture is a great option for those looking to support digestive health and overall well-being. This product delivers 500 mg of Black Walnut hull extract per serving, offering natural support for the body’s internal balance.

Formulated with vegan-friendly, non-GMO ingredients and free from artificial additives, it prioritizes both purity and consumer safety.

Unlike capsules or tablets, the liquid form allows for faster absorption, typically within minutes. Additionally, its alcohol-free formula, featuring vegetable glycerin as the main ingredient, makes it easier to digest.

Another advantage is the naturally sweet taste of glycerin, making it simple to incorporate into a daily routine without added sugar concerns.

Users appreciate how well this product complements other herbal supplements. Angela H. shared, “Works as expected. I take it with Wormwood,”* suggesting that combining it with Wormwood may support the body’s natural internal processes more effectively.

With 168 servings per bottle, this tincture provides enough supply for 84 days when taken twice daily, offering both cost savings and convenience for users.

Pros

• There are two size options: 2 Fl oz (84 servings) and 4 Fl oz (168 servings), catering to different usage needs.
• The formula is clean, vegan, and alcohol-free, ensuring safety for consumers.
• The liquid form allows for faster absorption compared to capsules or tablets, and is absorbed quickly, typically within 2–5 minutes.
• It can be mixed with water or other beverages for more flexible consumption.
• Mild flavor that isn’t too strong, making it easy to drink even for those sensitive to herbal tastes.

Cons

• Some users suspect that the product’s sweetness may come from sugar rather than vegetable glycerin.*
• Risk of damage during shipping—inspect the product carefully upon arrival.*

Dr Christopher's Formula Black Walnut Extract, 2 Fluid Ounce | $15.47 - 229 servings

Review

Dr. Christopher's Formula Black Walnut Extract is crafted with a focus on balance and nourishment, aiming to support the body's natural ability to maintain well-being. The formula includes an extract rich in iodine and potassium, which may aid digestive processes and contribute to healthy-looking skin.

The product is formulated in liquid form, allowing for easier absorption and convenient dosage adjustments. Additionally, it is a suitable choice for vegetarians as it contains no animal-derived ingredients. Manufactured in the USA, Dr. Christopher's Formula ensures high quality and purity standards.

Customer feedback has been overwhelmingly positive, particularly in terms of noticeable results. Carol Ann Haimbaugh admitted she was initially skeptical but observed a meaningful change after starting the product: “I was very skeptical about this, but noticed a marked improvement by the second week.” She continued using it for four weeks and concluded that the product was genuinely effective.*

Pros

• Contains natural iodine and potassium, beneficial for the body and skin.
• Liquid form allows for faster absorption compared to capsules.
• Suitable for vegetarians, as it contains no animal-derived ingredients.

Cons

• Unpleasant taste, making it difficult for some users to consume.*
• Faded product label, making it hard to read usage instructions.*

NOW Foods Black Walnut Hulls 500 mg | $7.24 - 100 servings

Review

NOW Foods Black Walnut Hulls 500 mg is a dietary supplement designed for those seeking traditional botanical support for digestive and immune health. Sourced from young Black Walnut hulls, this product reflects NOW Foods’ commitment to purity.

The capsules are compact and easy to swallow, measuring just 0.8 inches, making them convenient for daily use.

Manufactured in the United States in a GMP-certified facility with an “A” rating from the Natural Products Association (NPA), the product meets strict standards of quality, stability, and safety.

As a family-owned business operating since 1968, NOW Foods brings decades of trust and transparency to its manufacturing process. The Black Walnut Hulls supplement has earned the “Amazon’s Choice” badge, supported by a high level of customer satisfaction, with 92% of users giving positive reviews and only 2% providing 1-star ratings.

Many users report enhanced wellness and appreciate the product’s versatility. One customer, Emily, shared that not only is the supplement "excellent quality and very consistent," but the powder inside the capsules can also be used topically when mixed with water.*

She noted its effectiveness in her personal care routine. While experiences vary, this additional use highlights the product's practical value for some users.*

Pros

• Manufactured in a GMP-certified factory with an A rating from the NPA, ensuring high-quality standards.
• Manufactured in the United States.
• Has a long history of use in herbal medicine since 1968, trusted across generations.
• Affordable price, offering excellent value for its quality.

Cons

• Some users experience stomach discomfort when taking it on an empty stomach.*
• May cause heartburn after consumption.*
• Some customers suspect that the product they received from Amazon might be old stock or leftover inventory.*

Nature's Way Black Walnut Hulls 900 mg | $8.55 - 50 servings

Review

Nature’s Way Black Walnut Hulls 900 mg has earned the Amazon’s Choice badge, indicating that it is a trusted and highly-rated product. Formulated in capsule form, it offers convenience without the unpleasant taste often associated with liquid extracts.

Each serving delivers 900 mg of Black Walnut hulls, sourced with quality and potency in mind. The product is also certified vegan and gluten-free, containing no gelatin, wheat, soy, corn, dairy, artificial colors, flavors, or preservatives, making it an ideal option for those following clean-label or allergen-conscious lifestyles.

Many users also appreciate the effectiveness of this supplement. An Amazon customer, Anna, shared her experience: "Nature’s Way is a good brand. Their herbs are effective…I've used Black Walnut for years…"*

Pros

• The brand has over 50 years of experience in the supplement industry, earning customer trust.
• Certified Non-GMO Project Verified, ensuring it is free from genetically modified organisms, making it a great choice for those who prioritize natural ingredients.
• Simple formulation with 900 mg of Black Walnut hulls and no unnecessary additives.
• Convenient capsule form, making it easy to incorporate into a daily routine without concerns about taste or complicated usage.

Cons

• Individuals with a history of stomach issues should use caution, as it may cause irritation.*
• Some customers did not notice significant effects after using the product for a while.*
• There are concerns from users about whether the product contains genuine Black Walnut hulls, so further research may be needed before purchasing.*

Nature's Sunshine Black Walnut 100 Capsules | $19.78 - 50 servings

Review

Nature's Sunshine Black Walnut 100 Capsules is offered in both capsule and powder forms, providing flexibility for different preferences. This all-natural formula features only Black Walnut hulls, which are rich in tannins and have long been valued in traditional herbal practices for their ability to support digestive balance in a gentle, effective way.

This product provides benefits similar to Black Walnut oil and powder, helping to maintain overall digestive health. With over 50 years of experience, Nature’s Sunshine has built a strong reputation in the supplement industry.

The brand is now present in more than 40 countries and operates the Hughes Center for Research & Innovation, which houses state-of-the-art product research laboratories.

Additionally, the company's manufacturing facility has earned a True Gold Zero Waste certification and runs entirely on solar power, emphasizing its commitment to sustainability.

A customer named TOSHKL shared their experience: "I first used Nature’s Sunshine Black Walnut 15 years ago and was pleased with the results. I felt better and had more energy, and I’m expecting the same with this purchase. My delivery came yesterday, so I’ll provide an update later."*

This feedback reflects the customer’s long-term trust in the product and the positive impact it has had on their overall well-being.*

Pros

• The brand has over 50 years of experience in the supplement industry since 1972, ensuring credibility and quality.
• The formula is entirely natural, free from additives or synthetic chemicals, providing peace of mind for consumers.
• The manufacturing facility meets high environmental standards, operates on 100% solar energy, and holds a True Gold Zero Waste certification.

Cons

• Some users did not notice significant changes after using the product.*
• The product packaging does not clearly display the expiration date, making it difficult to check shelf life.*
• Some cases of damaged products during shipping have been reported, affecting customer experience.*

Black Walnut Complex 60 Capsules | $17.59 - 60 servings

Review

Black Walnut Complex is a thoughtfully crafted blend of Black Walnut, clove, garlic, and fennel—botanicals traditionally used to support gut balance and overall wellness. The formula is designed to be gentle and versatile, appealing to a broad range of users.

What sets this supplement apart is its blend of naturally supportive ingredients. Black Walnut is valued for its long-standing use in traditional wellness practices. Clove and garlic are known for their natural botanical properties, while fennel contributes to overall comfort and internal harmony.

Users also appreciate the flexibility of the capsule format. It can be opened and mixed into foods such as honey or nut butter, offering a convenient option for those who prefer not to swallow capsules.*

This formula is 100% vegan and free from gluten, dairy, soy, and GMOs, making it suitable for individuals with specific dietary preferences.

Customer feedback has been generally positive. One user, Mrs. Smith, shared: “Excellent product. I felt noticeably better after using it.” Her review reflects a common sentiment that the supplement supports overall vitality and well-being.*

Pros

• Plant-based and vegan-friendly with no animal-derived ingredients
• Free from common allergens including gluten, dairy, and soy
• Convenient capsule design allows for mixing with soft foods

Cons

• Limited availability online due to a small number of distributors*
• Fewer customer reviews compared to more widely distributed brands*

Conclusion

Black Walnut supplements offer numerous benefits for digestion and gut health, but choosing the right product is essential. Carefully reviewing ingredients, sourcing, and user experiences can help you find the best option.

Are you ready to experience the benefits of Black Walnut? Or do you have specific criteria when selecting an herbal supplement? Keep exploring to find the most suitable solution for your needs!