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

Black Walnut Bark 450 mg Ingredients & Drug Interactions

by TerraVita Premium Collection

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

Black Walnut Bark 450 mg 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 450 mg 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.

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: black walnut bark at 450 mg per capsule. Black walnut is a traditional botanical used in herbal supplements.

The capsules also contain two inactive ingredients — gelatin and water — which serve as the capsule shell and base. There are no other fillers or binders.

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's effectiveness isn't established in the data we hold. For both coronary heart disease and wound healing, the available evidence is insufficient to rate how well it works.

If you're considering this product for a specific health goal, your doctor or pharmacist can help you weigh what's known and explore other options.

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 bark is generally well tolerated in the short term for most adults, though human safety data are limited and long-term use hasn't been well studied. Because black walnut bark and hull are high in tannins, they can cause gastrointestinal upset when taken orally.

The bark may also trigger skin irritation if it contacts your skin. Tree nuts, including black walnuts, can cause allergic reactions in people with tree nut allergies — a major food allergen in the United States.

Additionally, daily use of black walnut bark is associated with an increased risk of tongue cancer and lip leukoplakia, so this is not a supplement for long-term daily use without medical supervision. During pregnancy, there isn't enough safety information, so it's best avoided.

The same applies to breastfeeding — safety data are insufficient, so it's best avoided while nursing.

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 ingredient we could check. That doesn't mean none exist — it means interaction research on this product may be limited.

Run your medications through the checker on this page, and if you have questions, check with your doctor or 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 Bark 450 mg may appeal to people interested in traditional botanicals, but the evidence for its effectiveness isn't established. Because long-term safety hasn't been well studied and daily use carries serious risks including increased cancer risk, this is a supplement to use short-term and only under guidance from your doctor or pharmacist.

If you're pregnant, breastfeeding, or allergic to tree nuts, talk with your healthcare provider before considering 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

At a glance

General information

Key facts about Black Walnut Bark 450 mg, straight from the product label.

Brand TerraVita Premium Collection
Barcode (UPC) 064435150426
Net contents 100 Capsule(s)
Market status On market
Date entered into DSLD Apr 21, 2023
DSLD ID 287557
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
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 Bark 450 mg by TerraVita Premium Collection, 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 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
100
UPC/BARCODE
064435150426
IngredientAmount% DV
Black Walnut450 mg--

Other ingredients: Gelatin, 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.
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 Take 1 capsule, 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.

See for yourself

Black Walnut Bark 450 mg by TerraVita Premium Collection label

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

What’s inside

The Ingredients in Black Walnut Bark 450 mg by TerraVita Premium Collection

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

Serving size1 Capsule(s) Dosage formCapsule Servings per container100 Amounts shown are per serving.

Black Walnut

No known
interactions
450 mg 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 monograph & interactions

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

Interaction report

Black Walnut Bark 450 mg by TerraVita Premium Collection Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Black Walnut Bark 450 mg. 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 Bark 450 mg, from the product label.

TerraVita Premium Collection

See all TerraVita Premium Collection products
Name
TerraVita Fine Whole Herbs
City
Brampton
State
Ontario
Pharmacist Counseling Corner

Black Walnut Bark 450 mg by TerraVita Premium Collection: Common Questions

Does Black Walnut Bark 450 mg by TerraVita Premium Collection interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Black Walnut Bark 450 mg. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Black Walnut Bark 450 mg 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.
Is black walnut bark safe to take long-term?
Human safety data for black walnut bark are limited, and long-term use hasn't been well studied. It may be acceptable for short-term use in most adults, but daily long-term use is associated with increased risk of tongue cancer and lip leukoplakia. Talk with your doctor about how long it's safe for you to use it.
Can black walnut bark cause stomach upset?
Yes — because the bark is high in tannins, it can cause gastrointestinal upset when taken orally. If you develop nausea, cramping, or other digestive symptoms, stop taking it and let your doctor know.
Can I take this if I have a tree nut allergy?
No. Black walnuts are tree nuts and a major food allergen, so they can trigger allergic reactions in sensitive people. Avoid this product if you have a tree nut allergy.
Is it safe to take during pregnancy or breastfeeding?
There isn't enough safety information for either pregnancy or breastfeeding, so black walnut bark is best avoided in both. Talk with your doctor or midwife if you're thinking about using it during pregnancy or nursing.
Does black walnut bark really work for heart health or wound healing?
The evidence isn't established in the data we hold — for both coronary heart disease and wound healing, the available research is insufficient to know whether it works. Your doctor can discuss other options with you.

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

Not sure if Black Walnut Bark 450 mg 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.

Black Walnut Bark 450 mg label
Go deeper

The Full Monographs Behind Black Walnut Bark 450 mg’s Ingredients

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

Sources

Sources & How We Checked

Black Walnut Bark 450 mg'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

Keep exploring