Black Walnut Hull Extra Strength Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Black Walnut Hull Extra Strength 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
Black Walnut Hull Extra Strength is a dietary supplement by Kroeger Herb Products Co. 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 Black Walnut Hull Extra Strength by Kroeger Herb Products Co.
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.
What’s inside
Full disclosure
This product contains one active ingredient: black walnut hull extract. Black walnut hull is the outer covering of the black walnut fruit and is traditionally used in herbal practice, though the evidence for its benefits is not yet well established.
The product is a liquid formulation with no other inactive ingredients listed.
Does it work?
Couldn't assess
The evidence for black walnut hull is limited. Our data shows insufficient reliable evidence to rate its use for coronary heart disease or wound healing.
In other words, we don't yet have enough good studies to say whether it works for these purposes or not.
How safe is it?
Well-documented data
Black walnut hull is generally well tolerated short-term 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 can 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 people with nut allergies — a concern worth noting since this is a major food allergen in the U.S. Long-term daily use of related walnut species has been linked to tongue and lip problems, though the risk with black walnut hull specifically is not clear from our data.
Pregnancy and breastfeeding: The safety data advise against use during breastfeeding. During pregnancy, there isn't enough information to know either way — talk with your doctor or pharmacist for personalized advice.
Meds to double-check
No known interactions
No interactions are documented in our data for this ingredient. Check your exact medications with the search tool on this page, and confirm with your own pharmacist 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 Hull Extra Strength may appeal to people interested in traditional herbal supplements, but the evidence for what it does isn't established yet, and long-term safety data are thin. If you have a tree nut allergy or a history of gastrointestinal upset, be cautious.
Talk it over with your doctor or pharmacist before you start, especially if you're pregnant, breastfeeding, or planning long-term use.
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 23, 2023.
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
General information
Key facts about Black Walnut Hull Extra Strength, straight from the product label.
| Brand | Kroeger Herb Products Co. |
|---|---|
| Barcode (UPC) | 696916330104 |
| Net contents | 1 fl. Oz.; 30 mL |
| Market status | On market |
| Date entered into DSLD | Jan 23, 2023 |
| DSLD ID | 282499 |
| Product type | Botanical |
| Supplement form | Liquid |
| Dietary claims / uses | All Other |
| Intended target group(s) | Adult (18 - 50 Years), Women (not pregnant or lactating) |
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 Hull Extra Strength by Kroeger Herb Products Co., sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Black Walnut Hull Extract | 0.35 mL | -- |
Tap any ingredient to jump to its full detail below.
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
Directions: Shake well. Use 15 drops 3 times a day or as recommended by a health care professional. May be used in a glass of water or directly on back of tongue. Warm water helps evaporate the alcohol.
FDA Statement of Identity
Tincture Supplement
Precautions
Do not purchase if seal is broken.
Keep out of reach of children.
Do not use during pregnancy or when nursing unless recommended by your health care professional.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Black Walnut Hull Extra Strength by Kroeger Herb Products Co. label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in Black Walnut Hull Extra Strength by Kroeger Herb Products Co.
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size0.35 mL Dosage formLiquid Servings per container85 Amounts shown are per serving.
Black Walnut Hull Extract
No knowninteractions
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 Hull Extract monograph & interactionsBlack Walnut Hull Extra Strength by Kroeger Herb Products Co. Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Black Walnut Hull Extra Strength. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for Black Walnut Hull Extra Strength, from the product label.
Kroeger Herb Products Co.
See all Kroeger Herb Products Co. products- Name
- Kroeger Herb Products Co., Inc.
- Street Address
- 1500 Kansas Avenue, Unit 4F
- City
- Longmont
- State
- CO
- ZipCode
- 80501
- Phone Number
- 303-443-0261
Black Walnut Hull Extra Strength by Kroeger Herb Products Co.: Common Questions
Does Black Walnut Hull Extra Strength by Kroeger Herb Products Co. interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this if I have a tree nut allergy?
What side effects might I notice?
Is this safe to use long-term?
Can I take this while pregnant or breastfeeding?
Does this actually work for anything?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Black Walnut Hull Extra Strength is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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.
The Full Monographs Behind Black Walnut Hull Extra Strength’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Black Walnut Hull Extra Strength'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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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
- Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
- McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
- 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
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