Green Black Walnut Extra Strength Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Green Black Walnut 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
Green Black Walnut Extra Strength is a dietary supplement by Dr. Clark Store with 3 active ingredients. 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 Extra Strength by Dr. Clark Store
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
Low disclosure
This product contains 3 active ingredients: Green Black Walnut, hull Grain Alcohol, and Alcohol. Black walnut is the main botanical; the others are carriers or preservatives.
The liquid form makes it easy to dose by drops or teaspoon. Water and grain alcohol are also listed as inactive ingredients that make up the base.
Does it work?
Couldn't assess
The evidence on black walnut for coronary heart disease and wound healing is insufficient — we don't have reliable data to say whether it works for those uses. If you're considering this for a specific health goal, talk it over with your doctor or pharmacist about whether the evidence supports it and whether it's right for you.
How safe is it?
Well-documented data
Black walnut is generally well tolerated when taken by mouth as the nut alone, but this product contains the leaf, bark, and hull — which are high in tannins and more likely to cause side effects. The most common issue is stomach upset or gastrointestinal irritation from the tannin content.
Skin irritation can occur if you apply it topically, and sensitive individuals may have allergic reactions since black walnut is a tree nut and a major food allergen. Short-term use is considered acceptable for most adults, but long-term safety hasn't been well studied.
The safety data advises against use during pregnancy and while breastfeeding, so if you're pregnant, planning to become pregnant, or nursing, talk with your doctor or pharmacist before taking this product.
Meds to double-check
No known interactions
No interactions are documented in our data for the ingredients we could check. However, we were unable to verify interaction data for hull Grain Alcohol or Alcohol, so check your exact medications with your doctor or pharmacist before starting.
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.
This product may be worth considering short-term if you're interested in black walnut's traditional uses, but evidence for its effectiveness is limited. Because the leaf, bark, and hull carry a higher risk of stomach upset and allergic reactions than the nut alone, and long-term safety isn't established, don't take it without talking it over with your doctor or pharmacist first — especially if you're pregnant, breastfeeding, have a tree nut allergy, or have a sensitive stomach.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated May 22, 2020.
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 Green Black Walnut Extra Strength, straight from the product label.
| Brand | Dr. Clark Store |
|---|---|
| Barcode (UPC) | 652384103930 |
| Net contents | 4 Fluid Ounce(s); 120 cc. |
| Market status | On market |
| Date entered into DSLD | May 22, 2020 |
| DSLD ID | 219961 |
| Product type | Other Combinations |
| Supplement form | Liquid |
| Dietary claims / uses | All Other |
| Intended target group(s) | Children 4 or More Years of Age, 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 Green Black Walnut Extra Strength by Dr. Clark Store, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Green Black Walnut | 10 mL | -- |
| hull Grain Alcohol | 0 NP | -- |
| Alcohol | 0 NP | -- |
Other ingredients: Water, Grain Alcohol
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
Suggested Use: Always start with 1 drop, increasing dose by 1 drop per day for 5 days. Adults and children 12 or more years of age, take up to 2 teaspoons once a day as a supplement, or as directed by a healthcare professional.
Storage
Store at room temperature unopened. Refrigerate after opening and use within 6 weeks.
Precautions
Keep out of reach of children.
Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.
If any adverse reactions occur, immediately stop using this product and consult your doctor. If seal under cap is damaged or missing, do not use.
General Statements
Self Health Resource Center 1055 Bay Blvd., Ste A Chula Vista, CA 91911 Customer Service Toll Free: (866) DR-CLARK (372-5275) www.DrClarkStore.com
Leader in purity Established by Dr. Clark’s Family in 1993
Company does not adopt any Dr. Clark claims.
Formulation
Our products don’t contain flow agents like magnesium stearate. Not now, not ever.
Seals/Symbols
Made in USA
Formula
Green black walnut hull tincture
FDA Statement of Identity
Dietary Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Green Black Walnut Extra Strength by Dr. Clark Store 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 Green Black Walnut Extra Strength by Dr. Clark Store
These are the 3 active ingredients this product is made of. Select any to open its full monograph.
Serving size2 tsp Dosage formLiquid Servings per container12 Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Green Black Walnut
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...
Green Black Walnut monograph & interactionsHull Grain Alcohol
Alcohol
Other (inactive) ingredients: Water, Grain Alcohol. These complete the product’s ingredient list but are not active constituents.
Green Black Walnut Extra Strength by Dr. Clark Store Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Green Black Walnut 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 Green Black Walnut Extra Strength, from the product label.
Dr. Clark Store
See all Dr. Clark Store products- Name
- Dr. Clark Store
- Street Address
- 1055 Bay Blvd., Ste A
- City
- Chula Vista
- State
- CA
- ZipCode
- 91911
- Phone Number
- (866) 372-5275
- Web Address
- www.DrClarkStore.com
Green Black Walnut Extra Strength by Dr. Clark Store: Common Questions
Does Green Black Walnut Extra Strength by Dr. Clark Store 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'm pregnant or breastfeeding?
Will this upset my stomach?
Could I have an allergic reaction to this?
How long can I safely take this?
Does this product actually work for heart health or wound healing?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Green Black Walnut 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 Green Black Walnut 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
Green Black Walnut 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