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

Green Black Walnut Hull Ingredients & Drug Interactions

by ZenMen

Liquid Category: Botanical
No known interaction
The interaction bottom line No known interaction

Green Black Walnut Hull is a dietary supplement by ZenMen 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.

HelloPharmacist Scorecard of Green Black Walnut Hull by ZenMen

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

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: green black walnut husk herbal extract in liquid form. Black walnut hull is the outer covering of the walnut fruit and contains compounds including tannins — plant compounds with potential biological activity.

The liquid also includes glycerin, cane alcohol, and purified water as inactive ingredients to deliver the extract.

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 green black walnut hull is limited. For coronary heart disease and wound healing, there is insufficient reliable evidence in our data to rate how well it works.

You'd want to talk with your doctor about whether this ingredient is a good fit for what you're hoping it will do.

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.

Short-term use of black walnut hull is generally well tolerated in 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 may cause gastrointestinal upset — stomach discomfort, nausea, or changes in bowel habits — when taken by mouth.

Tree nuts, including black walnuts, can trigger allergic reactions in sensitive people; tree nuts are a major food allergen in the United States. Daily use of related walnut bark is associated with increased risk of tongue cancer and lip leukoplakia (whitish patches in the mouth), though this involves a different part of the plant and a different species.

During pregnancy, safety data advise against use. While breastfeeding, there isn't enough information to know whether it's safe, so talk with your doctor or pharmacist before taking it.

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 for the ingredients we could check. That said, run your specific medications through the tool on this page — tannins can sometimes affect how your body absorbs other substances, and it's smart to verify there's nothing unexpected.

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.

Green Black Walnut Hull by ZenMen is an unsweetened herbal liquid with limited evidence for its marketed uses. It's generally tolerated short-term but can cause stomach upset due to its tannin content, and it's not recommended in pregnancy.

If you're breastfeeding, have a tree nut allergy, or take any regular medications, check with your pharmacist first.

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 Jun 20, 2024.

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 Green Black Walnut Hull, straight from the product label.

Brand ZenMen
Barcode (UPC) X003ZDI86N
Net contents 2 Fluid Ounce(s)
Market status On market
Date entered into DSLD Jun 20, 2024
DSLD ID 310002
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Gluten Free, Dairy Free
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 Green Black Walnut Hull by ZenMen, 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:
1.6 mL
Maximum serving Sizes:
1.6 mL
Servings per container
37
UPC/BARCODE
X003ZDI86N
IngredientAmount% DV
Green Black Walnut Husk Herbal Extract, Liquid1.6 mL--

Other ingredients: Glycerin, Cane Alcohol, Water, Purified

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.
General Statements

Master Herbalist Formulated

Want to learn more about this herb? Scan me

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, adults take two (2) droppers, 2-4 times daily or as recommended by a healthcare professional.

Precautions

Caution: Do not exceed recommended dose. Not recommended for continuous use longer than 3 months.

Pregnant or nursing mothers, children under the age of 18 and individuals with a known medical condition should consult with a physician before taking this or any dietary supplement.

Pregnant or nursing mothers, children under the age of 18 and individuals with a known medical condition should consult with a physician before taking this or any dietary supplement. Keep out of reach of children.

Do not use if safety seal is damaged or missing.

Storage

Store in a cool, dry place.

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

From the farm & forest Tick guard vitality

Gluten free Non GMO

Vegan

Seals/Symbols

Manufactured in the USA GMP Vegan

FDA Statement of Identity

Dietary Supplement

See for yourself

Green Black Walnut Hull by ZenMen label

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

What’s inside

The Ingredients in Green Black Walnut Hull by ZenMen

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

Serving size1.6 mL Dosage formLiquid Servings per container37 Amounts shown are per serving.

1.6 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...

Green Black Walnut Husk Herbal Extract, Liquid monograph & interactions

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

Interaction report

Green Black Walnut Hull by ZenMen Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Green Black Walnut Hull. 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 Green Black Walnut Hull, from the product label.

ZenMen

See all ZenMen products
Name
Zenmen
Street Address
18695 Pony Exp Dr.
City
Parker
State
CO
ZipCode
80134
Web Address
ZenmenHealth.com
Pharmacist Counseling Corner

Green Black Walnut Hull by ZenMen: Common Questions

Does Green Black Walnut Hull by ZenMen interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Green Black Walnut Hull. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Green Black Walnut Hull 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?
During pregnancy, the safety data advise against use. If you're breastfeeding, there isn't enough information to know either way — talk with your doctor or pharmacist about whether it's right for you right now.
What's the difference between black walnut hull, bark, and leaf?
This product uses the hull — the outer covering of the walnut fruit. All three parts (hull, bark, and leaf) contain high amounts of tannins, which can cause gastrointestinal upset when taken by mouth. The hull and other parts can also cause skin irritation if applied topically.
I have a tree nut allergy. Is this safe for me?
Black walnut is a tree nut and can trigger allergic reactions in sensitive individuals. If you have a tree nut allergy, skip this product and talk with your pharmacist about safer alternatives.
What's in the liquid besides the walnut extract?
The inactive ingredients are glycerin, cane alcohol, and purified water — these help deliver the extract and preserve it.
How long can I safely take this?
Black walnut hull may be acceptable short-term for most adults, but human safety data are limited and long-term use hasn't been well studied. If you're thinking of taking it regularly, check with your pharmacist or doctor first.
Can this cause stomach problems?
Yes. The hull contains high quantities of tannins, which may cause gastrointestinal upset — nausea, stomach discomfort, or digestive changes — when taken by mouth. If you experience these, stop and talk with your pharmacist.

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

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

Our pharmacists answer your medication & supplement questions — free.

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.

Green Black Walnut Hull label
Go deeper

The Full Monographs Behind Green Black Walnut Hull’s Ingredients

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

Sources

Sources & How We Checked

Green Black Walnut Hull'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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