Black Walnut Bark Powder Ingredients & Drug Interactions
by TerraVita Premium Collection
What is this page for?
First and foremost: checking Black Walnut Bark Powder 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 Bark Powder is a dietary supplement by TerraVita Premium Collection 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 Bark Powder by TerraVita Premium Collection
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, in powder form. Black walnut comes from the tree of the same name and has been used traditionally in herbal practice, though modern evidence for its benefits is limited.
Does it work?
Couldn't assess
The evidence for black walnut is scarce. We hold data rating its use for coronary heart disease (heart disease prevention and heart function) and wound healing as having insufficient reliable evidence — meaning we don't have enough solid research to say whether it works for those purposes.
If you're considering it for a specific health goal, your doctor or pharmacist can help you weigh what limited evidence exists against other options.
How safe is it?
Well-documented data
Black walnut bark contains high amounts of tannins (plant compounds with astringent properties), which can cause problems. The most common issue is gastrointestinal upset — stomach discomfort, cramping, or irregular bowel movements — if you take it by mouth.
The data show it's acceptable for short-term use in most adults, but long-term safety hasn't been well studied in humans. Additionally, there's a small risk of allergic reaction in people sensitive to tree nuts, since black walnuts are classified as a major tree nut allergen in the United States.
For pregnancy, the safety data advise against use. For breastfeeding, there isn't enough information to know either way — talk with your doctor or pharmacist about whether it's right for you.
Meds to double-check
No known interactions
No interactions are documented in our data for black walnut. Still, mention this supplement to your doctor or pharmacist before you start, especially if you take any medications or have a tree nut allergy.
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 Bark Powder is a single-ingredient supplement with no documented medication interactions, but also very limited evidence that it works for the conditions it's traditionally used for. Most healthy adults tolerate short-term use, though tannins in the bark can upset your stomach.
If you're pregnant, the safety data advise against it; if you're breastfeeding, check with your own doctor or pharmacist first before taking it.
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 Apr 21, 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 Bark Powder, straight from the product label.
| Brand | TerraVita Premium Collection |
|---|---|
| Barcode (UPC) | 064435150433 |
| Net contents | 4 Ounce(s) |
| Market status | On market |
| Date entered into DSLD | Apr 21, 2023 |
| DSLD ID | 289837 |
| Product type | Botanical |
| Supplement form | Powder |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years) |
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 Bark Powder by TerraVita Premium Collection, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Black Walnut, Powder | 1000 mg | -- |
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.
FDA Statement of Identity
A Dietary Supplement
Brand IP Statement(s)
Copyright 2005 TerraVita - Distributed by ZooScape LLC, All Rights Reserved.
Suggested/Recommended/Usage/Directions
Directions Stir 1/4 of a teaspoon into a glass of water and consume 3 times daily, with meals.
General Statements
TerraVita is an exclusive line of premium natural products that use the finest, purest and most potent ingredients in the world. TerraVita's hallmarks are the highest possible standards of purity, potency, stability and freshness. All products are prepared with the greatest quality control, from raw materials through the entire manufacturing process, right up to the moment your product is sealed for freshness and shipped to you.
Please recycle!
FDA Disclaimer Statement
Statements not evaluated by FDA. Product not intended to diagnose, treat, cure, or prevent any disease.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Black Walnut Bark Powder by TerraVita Premium Collection 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 Bark Powder by TerraVita Premium Collection
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size0.25 Teaspoon(s) Dosage formPowder Servings per container113 Amounts shown are per serving.
Black Walnut, Powder
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, Powder monograph & interactionsBlack Walnut Bark Powder by TerraVita Premium Collection Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Black Walnut Bark Powder. 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 Bark Powder, from the product label.
TerraVita Premium Collection
See all TerraVita Premium Collection products- Name
- TerraVita Fine Whole Herbs
- City
- Brampton
- State
- Ontario
Black Walnut Bark Powder by TerraVita Premium Collection: Common Questions
Does Black Walnut Bark Powder by TerraVita Premium Collection 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 nut allergy?
Will it upset my stomach?
Is it safe to use long-term?
Can I take it while pregnant or breastfeeding?
Does it actually work for heart health or wound healing?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Black Walnut Bark Powder 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 Bark Powder’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 Bark Powder'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