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

Black Walnut 1,000 mg Ingredients & Drug Interactions

by Nature's Answer

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

Black Walnut 1,000 mg is a dietary supplement by Nature's Answer 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 1,000 mg by Nature's Answer

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 (Juglans nigra) hull extract at 1,000 mg per dose. The hull is the outer layer of the black walnut fruit and has been used traditionally for various purposes.

The formula is delivered in a liquid base of purified water, vegetable glycerin, and certified organic alcohol (12–15%).

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 hull extract isn't established in the data we hold. For coronary heart disease and wound healing — the uses studied — the research is insufficient to say whether it works or doesn't.

If you're considering this product for a specific health goal, talk it over with your doctor or pharmacist about what the science actually supports 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 hull extract is generally well tolerated for short-term use 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 — nausea, stomach discomfort, 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, so if you have a tree nut allergy, this product isn't for you. During pregnancy, safety information is lacking — it's best avoided.

While breastfeeding, the same applies — there isn't enough data to know it's safe, so it's best avoided then too.

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 could check. Even so, the hull's high tannin content means it's smart to confirm with your pharmacist that it won't interfere with how your body absorbs any medications you take.

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 extract has insufficient evidence behind it for the conditions it's marketed for, so it's hard to say whether it'll work for you. If you take medications, check them against the tool on this page before starting.

Because safety data in humans are limited and tannins can cause stomach upset, talk with your doctor or pharmacist about whether short-term use makes sense for you and to rule out any personal risks — especially if you're pregnant, breastfeeding, or allergic to tree nuts.

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 Feb 25, 2019.

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 1,000 mg, straight from the product label.

Brand Nature's Answer
Barcode (UPC) 083000001369
Net contents 1 fl. Oz.; 30 mL
Market status On market
Date entered into DSLD Feb 25, 2019
DSLD ID 184089
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Kosher, Organic, Gluten 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 Black Walnut 1,000 mg by Nature's Answer, 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:
0.5 mL
Maximum serving Sizes:
1 mL
Servings per container
30
UPC/BARCODE
083000001369
IngredientAmount% DV
Black Walnut (Juglans nigra) hull extract1000 mg--

Other ingredients: purified Water, Vegetable Glycerin, 12-15% certified organic Alcohol

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 Disclaimer Statement

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

Seals/Symbols

Gluten Free

K Parve

Bio-Chelated Cold Extraction Process

General

9207 Rev. 1015 1013

General Statements

Since 1972

Super Concentrated

Brand IP Statement(s)

Advanced Botanical Fingerprint

Discover Nature's Answer

2015 Nature's Answer

Formula

Juglans nigra

Low Alcohol

Our Facility is cGMP Certified, Organic and Kosher Certified.

Formulation

Gluten-Free

Our organic alcohol extracts are produced using our cold Bio-Chelated proprietary extraction process, yielding a Holistically Balanced Advanced Botanical Fingerprint extract in the same synergistic ratios as in the plant.

FDA Statement of Identity

Herbal Supplement

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take 1/2-1 mL (14-28 drops) three (3) times a day in a small amount of water. Shake well.

Precautions

Keep out of reach of children.

Warning: Do not use if pregnant or nursing.

Do not use if safety seal is damaged or missing.

See for yourself

Black Walnut 1,000 mg by Nature's Answer label

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

What’s inside

The Ingredients in Black Walnut 1,000 mg by Nature's Answer

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

Serving size0.5 mL Dosage formLiquid Servings per container30 Amounts shown are per serving.

1000 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 (Juglans nigra) hull extract monograph & interactions

Other (inactive) ingredients: Purified Water, Vegetable Glycerin, 12-15% certified organic Alcohol. These complete the product’s ingredient list but are not active constituents.

Interaction report

Black Walnut 1,000 mg by Nature's Answer Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Black Walnut 1,000 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 1,000 mg, from the product label.

Nature's Answer

See all Nature's Answer products
Name
Nature's Answer
City
Hauppauge
State
NY
ZipCode
11788-3943
Phone Number
(800) 439-2324
Web Address
www.naturesanswer.com
Pharmacist Counseling Corner

Black Walnut 1,000 mg by Nature's Answer: Common Questions

Does Black Walnut 1,000 mg by Nature's Answer interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Black Walnut 1,000 mg. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Black Walnut 1,000 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.
Can I take Black Walnut if I'm pregnant or breastfeeding?
Not enough safety information exists for either pregnancy or breastfeeding. The data advises against it in both cases. Talk with your doctor or pharmacist about whether this product is right for you.
Will this upset my stomach?
Possibly. Black walnut hull is high in tannins, compounds that can cause gastrointestinal upset — nausea, stomach discomfort, or other digestive issues — when taken by mouth. If you have a sensitive stomach or a history of GI problems, mention it to your pharmacist before starting.
What if I have a tree nut allergy?
Don't take this product. Black walnut is a tree nut, and tree nuts are a major food allergen. If you're allergic to tree nuts, this can trigger an allergic reaction.
How long can I take this?
Black walnut hull extract may be acceptable for short-term use in most adults, but human safety data are limited and long-term use hasn't been well studied. It's best to talk with your pharmacist about how long is safe for you.
Does this actually work for what it claims?
The evidence isn't established. For the main uses studied — coronary heart disease and wound healing — the research so far is insufficient to say whether black walnut hull works. Your doctor or pharmacist can help you weigh whether to try it anyway.

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

Not sure if Black Walnut 1,000 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 1,000 mg label
Go deeper

The Full Monographs Behind Black Walnut 1,000 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 1,000 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

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