Net Contents
4 Fluid Ounce(s)
Serving Size
0.7–1 mL
Servings Per Container
120
Supplement Form
Liquid
Bar Code (UPC/SKU)
8 40253 61363 9
Product Version
IPN: A-MMDDYY-CKPMR
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: Organic, 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 | |
|---|---|---|
| Chinese Knotweed Root Extract, Dry(Polygonum multiflorum Root Extract, Dry) | 983 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested use: Shake well before using. For adults add about 20-30 drops (0.7-1 mL, one full squeeze of the dropper bulb) to some juice or water, up to 4 times a day.
Warnings & Precautions
Precautions re: All Other
Warning: We recommend to seek expert medical advice before taking.
Precautions re: Allergies
Do not use if you are allergic to any ingredients.
Precautions re: Children
Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
Precautions re: Pregnant or Nursing or Prescription Medications
Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
Precautions re: All Other
May affect the ability to drive and operate machinery. May have contraindications, can cause side effects and adverse reactions. Do not use if seal is broken or missing.
Precautions re: Children
Keep out of the reach of children!
Storage
Storage
Store in a cool dry place.
Formulation
Formula re: Contains
Polygonum multiflorum
Formulation re: Other
Only natural ingredients Purity is laboratory tested and verified
Formulation re: Does NOT Contain
All the raw materials are gluten-free by their nature No artificial colors, flavors, or preservatives
Formulation re: Other
Not tested on animals
Formula re: Contains
Organic Alcohol Based
Formulation re: Organic
Organic Alcohol Based
Formulation re: Other
Made in USA, Hawaii
FDA Statements
FDA Disclaimer Statement
This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure or prevent any disease.
FDA Statement of Identity
Herbal Supplement
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
Hawaii Pharm Herbal Extract Highest quality since 2008
Seals/Symbols
cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility.
General Statements: All Other Content
Scan this QR-code to get 15% discount on your next purchase. Limited time deal.
Seals/Symbols
Organic Alcohol Based USA Made in United States of America
Manufacturer & Distributor
Manufacturer
Hawaii Pharm LLC
510 Sumner St. Ste. 613, Honolulu, HI, 96817
888-854-2924
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$19.95Hawaii Pharm Hu Zhang Extract Japanese Knotweed Supplement
eBay - fastshippingstore-us$19.85Bai Fu Zi Tincture
Hawaii Pharm$19.95Bai Fu Zi Typhonium Giganteum Engl. Dried Root ALCOHOL-FREE Liquid Extract
Hawaii Pharm$19.95Japanese knotweed root | Reynoutria japonica | natural herbal tea fallopia japonica
Etsy - Seller4.8(26)$14.23
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.
PCT Ginseng & Herbs
4.6 (34)Health food store
810 N Broadway, Los Angeles, CA 90012
Evergreen Herbs & Med Supplies (Chinese Herbs)
4.2 (13)Chinese medicine store
16438 Valley Blvd, La Puente, CA 91744
Dragon Herbs
4.6 (93)Vitamin & supplements store
460 S Robertson Blvd, Los Angeles, CA 90048
Activeherb Technology, Inc.
4.8 (8)Vitamin & supplements store
8830 Rehco Rd Ste e, San Diego, CA 92121
Ton Ren Herb Supply
4.9 (15)Chinese medicine store
84 Elizabeth St, New York, NY 10013
Zen Ginseng
4.2 (73)Chinese medicine store
40-20 Main St, Flushing, NY 11354
World Ginseng & Health Products
3.9 (16)Herb shop
1698 Hostetter Rd # B, San Jose, CA 95131
Tan Sanh Ginseng Herb
3.9 (50)Herb shop
9659 Bolsa Ave, Westminster, CA 92683
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 2023-11-22. DSLD Label ID: 301381. 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.
