No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

Black Walnut Green Hulls Ingredients & Drug Interactions

by Gaia Herbs

Black Walnut Green Hulls label
See full label image
Liquid Category: Botanical
No known interaction
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Black Walnut Green Hulls against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line No known interaction

Black Walnut Green Hulls is a dietary supplement by Gaia Herbs with 1 active ingredient. Its ingredients are commonly taken for intestinal parasites and worms, digestive complaints, antimicrobial and antifungal support.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

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HelloPharmacist Scorecard of Black Walnut Green Hulls by Gaia Herbs

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 16, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: black walnut green hulls fresh extract. The hulls are the outer covering of the walnut fruit and are used in traditional herbal practice.

The liquid form also includes alcohol and water as inactive ingredients.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

This is a single-ingredient Black Walnut product and its label doesn't state a use — see Black Walnut's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence for black walnut green hulls isn't established in the data we hold. Studies on coronary heart disease and wound healing show insufficient reliable evidence to rate how well it works.

If you're considering it for a specific health goal, talk with your doctor or pharmacist about whether the evidence supports its use for your situation.

The evidence, ingredient by ingredient Black Walnut

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Black walnut hulls are generally well tolerated in the short term for most adults, but human safety data are limited and long-term use hasn't been well studied. The hull contains high quantities of tannins, which can cause gastrointestinal upset when taken by mouth.

Tree nuts, including black walnuts, can trigger allergic reactions in sensitive people—they're classified as a major food allergen in the United States. During pregnancy, there isn't enough safety information; the data advises against use.

While breastfeeding, safety information is also limited, so it's best avoided. If you're pregnant, nursing, or planning to be, talk with your doctor or pharmacist before taking this product.

Side effects, ingredient by ingredient Black Walnut

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the ingredients we checked. You're welcome to search your specific medications on this page as a final check before you start.

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.

Black Walnut Green Hulls by Gaia Herbs has no documented interactions with medications we could check, but the evidence for how well it works isn't established in our data. It's generally well tolerated short-term, though the tannins can cause stomach upset and it may trigger allergic reactions in people sensitive to tree nuts.

If you're pregnant or breastfeeding, avoid it. Talk with your doctor or pharmacist before starting, especially if you have questions about whether it's right for you.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jan 22, 2021.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Black Walnut Green Hulls, straight from the product label.

Brand Gaia Herbs
Barcode (UPC) 751063301107
Net contents 1 Fluid Ounce(s); 30 mL
Market status On market
Date entered into DSLD Jan 22, 2021
DSLD ID 240624
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Black Walnut Green Hulls by Gaia Herbs, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 mL
Maximum serving Sizes:
1 mL
Servings per container
30
UPC/BARCODE
751063301107
IngredientAmount% DV
Black Walnut green hulls fresh extract1 mL--

Other ingredients: Alcohol, Water

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions

Suggested Use Adults take 30 drops of extract in a small amount of water 3 times daily between meals. Maximum time of use 6 weeks or as recommended by your practitioner. Shake well before use.

Precautions

Not for use during pregnancy or lactation. If you have a medical condition or take medications, please consult with your doctor before use.

Store away from children.

Use only as directed on label. Safety-sealed at neck of bottle.

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Formulation

Liver & cleanse support Supports a healthy intestinal system

FDA Statement of Identity

Herbal Supplement

General Statements

Facebook Instagram @gaiaherbs

Enter ID# at meetyourherbs.com

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Black Walnut Green Hulls by Gaia Herbs label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Black Walnut Green Hulls label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Black Walnut Green Hulls by Gaia Herbs

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 mL Dosage formLiquid Servings per container30 Amounts shown are per serving.

Black Walnut green hulls fresh extract

No known
interactions
1 mL per serving

Black walnut is a tree whose green hulls are traditionally used as a natural antiparasitic and digestive remedy, but solid human evidence for these us...

Black Walnut green hulls fresh extract monograph & interactions

Other (inactive) ingredients: Alcohol, Water. These complete the product’s ingredient list but are not active constituents.

Interaction report

Black Walnut Green Hulls by Gaia Herbs Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Black Walnut Green Hulls. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for Black Walnut Green Hulls, from the product label.

Gaia Herbs

See all Gaia Herbs products
Name
Gaia Herbs, Inc.
Street Address
101 Gaia Herbs Dr.
City
Brevard
State
NC
ZipCode
28712
Web Address
GaiaHerbs.com
Pharmacist Counseling Corner

Black Walnut Green Hulls by Gaia Herbs: Common Questions

Does Black Walnut Green Hulls by Gaia Herbs interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Black Walnut Green Hulls. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Black Walnut Green Hulls contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I'm pregnant or breastfeeding?
Not during breastfeeding—there isn't enough safety information. During pregnancy, the safety data also advises against use. Talk with your doctor or pharmacist about your individual situation before taking it.
What are the side effects?
The most common issue is gastrointestinal upset from the tannins in the hull. Tree nut allergies are also a concern if you're sensitive to walnuts. There's no reliable long-term safety data, so it's best used short-term.
Does black walnut help with heart health or wound healing?
The evidence isn't established in our data. Studies on coronary heart disease and wound healing show insufficient reliable evidence to rate how well it works, so we can't say whether it's effective for those purposes.
What's in this product besides the active ingredient?
Black walnut green hulls fresh extract is the active ingredient. The liquid form contains alcohol and water.
Is this safe for long-term use?
Human safety data are limited and long-term use hasn't been well studied. It's considered acceptable short-term for most adults, but you should talk with your doctor or pharmacist if you're thinking about using it regularly.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Black Walnut Green Hulls is safe with your meds?

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Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Black Walnut Green Hulls label
Go deeper

The Full Monographs Behind Black Walnut Green Hulls’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Black Walnut

Black walnut is a tree whose green hulls are traditionally used as a natural antiparasitic and digestive remedy, but solid human evidence for these uses is lacking. It contains a compound ca...

Read the full Black Walnut monograph →
Sources

Sources & How We Checked

Black Walnut Green Hulls's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 3 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Black Walnut 3 references
  1. Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
  2. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  3. Food and Drug Administration. Food Allergen Labeling and Consumer Protection Act of 2004 (FALCPA); Public Law 108-282, Title II. Accessed on May 19, 2021. Available at: https://www.fda.gov/food/food-allergensgluten-free-guidance-documents-regulatory-infor

See these in context on the Black Walnut monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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