Net Contents
2 Fluid Ounce(s)
Serving Size
0.7–1 mL
Servings Per Container
60
Supplement Form
Liquid
Bar Code (UPC/SKU)
6 50905 48589 3
Product Version
Not Present
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Non-GMO, Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 0.7–1 mL · 1–4 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| wildcrafted Chinese Knotweed extract | 970 mg | — |
Percent Daily Values (DV) are based on a 2,000 calorie diet.
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions for use: Shake well before using. Take about 20-30 drops (0.7-1 ml, one full squeeze of the dropper bulb) to 2-4 oz of juice or water up to 4 times per day.
Warnings & Precautions
Precautions re: Children
Warning: Keep out of the reach of children.
Precautions re: All Other
May have contraindications. We recommend to seek expert medical advice before taking this or any other herbal supplement.
Precautions re: Allergies
Do not use if you are allergic to any ingredients.
Precautions re: Pregnant or Nursing or Prescription Medications
Consult a physician before using during pregnancy, if nursing or taking any medications.
Precautions re: All Other
Do not use if seal is broken or missing.
Storage
Storage
Store in a cool dry place.
Formulation
Formulation re: Does NOT Contain
Contains no GMO, gluten, artificial colors, heavy metals, preservatives, pesticides, fertilizers.
Formula re: Contains
(Polygonum multiflorum)
Formulation re: Other
Super concentrated liquid herbal extract. Dry herb/menstruum ratio: 1:3.
Formulation re: Other
Manufactured in an FDA registered facility.
Formulation re: Does NOT Contain
Non GMO Gluten free
Formulation re: Other
Made in USA, Hawaii
FDA Statements
FDA Statement of Identity
Herbal Dietary Supplement
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Other Label Statements
General Statements: All Other Content
Hawaii Pharm Herbal Extract Highest quality since 2008
General Statements: All Other Content
Made with Aloha!
Seals/Symbols
FDA Registered Facility Made in United States of America USA
Manufacturer & Distributor
Manufacturer
Hawaii Pharm LLC
Honolulu, HI, 96815
Market Reference
HawaiiPharm Knotgrass Tincture
Hawaii Pharm$19.95HawaiiPharm Chinese Knotweed Liquid Extract Tincture
GoSupps.com$79.99Knotgrass Extract
Hawaii Pharm$19.95Qing Hao Herb Tincture
Hawaii Pharm$19.95Japanese knotweed root | Reynoutria japonica | natural herbal tea fallopia japonica
Etsy - Seller4.8(26)$14.22Hawaii Pharm Hu Zhang Extract Japanese Knotweed Supplement
eBay - fastshippingstore-us$19.85HawaiiPharm Tincture Liquid Extract
Hawaii Pharm$19.95Napiers Chinese Knotweed Tincture
Napiers$19.30
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Teufelskraft
5.0 (28)Vitamin & supplements store
Wezenäckerweg 32, 72202 Nagold
Suppworld
Vitamin & supplements store
Robert-Koch-Straße 1, 72160 Horb am Neckar-Talheim
Natural Blends Germany
5.0 (1)Consultant
Börstingen, Dr. -Eberhard-Buse-Straße 2, 72181 Starzach
Puravitum GmbH
5.0 (11)Vitamin & supplements store
St.-Dionysius-Straße 39, 72108 Rottenburg am Neckar-Dettingen
gesunde-alternativen.de
Vitamin & supplements store
Neuneckstraße 80/1, 72160 Horb am Neckar
NatuRise UG
4.9 (403)Vitamin & supplements store
Krummhardter Str. 2, 73773 Aichwald
ZENPATH | Natürliche Vitamine & Vitalstoffe
5.0 (1)Vitamin & supplements store
Königstraße 80, 70173 Stuttgart
Nature's Way Europe GmbH
5.0 (4)Vitamin & supplements store
Pforzheimer Str. 5, 76227 Karlsruhe-Durlach
Research & Studies
Biologically active compounds of knotweed
J Patocka, Z Navratilova, M Ovando - Military Medical Science Letters, 2017 - mmsl.cz
… as a traditional medicine for a long history in China. It has been used for treatment of … medical literature there are many studies that show the usefulness of knotweed in human health…
201748 citationsEdible invasives: harvesting flavor from invasive species
S Maqsood, W Khalid, MT Arshad… - Health, Nutrition and …, 2026 - Elsevier
These invasive species are principally observed as environmental hazards since they affect the ecological systems and compete with local plants and animals. At the same time, they …
2026The wild wisdom of weeds: 13 essential plants for human survival
K Blair - 2014 - books.google.com
… medical pharmacy and first-aid kit. More than just a field guide to wild edibles, it is a global plan for human survival. When Katrina Blair was eleven she had a life-changing experience …
201411 citationsWhat Is Bulk Resveratrol Powder and Why It Matters for Health Brands?
FD Dive - newthingsbiotech.com
… Because of its high natural resveratrol concentration, extracts from Japanese knotweed (… Cardiovascular health supplements incorporate resveratrol for heart protection benefits. …
Ho-Shou-Wu
S Dharmananda - Institute For Traditional Medicine, 1998 - itmonline.org
… A Hawaiian entrepreneur had seen an article that was originally … It was an instant hit in the naive world of health foods and … common name that has been applied is "flowery knotweed." …
19986 citationsHERBAL PRODUCTS AND ESSENTIAL OILS WITH HIGH ACTIVITY AGAINST STATIONARY PHASE BARTONELLA HENSELAE
X Ma - 2020 - jscholarship.library.jhu.edu
Bartonella henselae is a Gram-negative bacterium which is the causative agent of cat scratch disease. Humans infection with B. henselae can result in acute or chronic systemic …
2020
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-11-21. DSLD Label ID: 237635. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
