Net Contents
4 Fluid Ounce(s)
Serving Size
0.7–1 mL
Servings Per Container
120
Supplement Form
Liquid
Bar Code (UPC/SKU)
0 840253 60
Product Version
IPN: A-MMDDYY-BPMRP
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: 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 2-4 oz of juice or water, up to 4 times per day.
Warnings & Precautions
Precautions re: All Other
Caution: 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. Do not use if seal is broken or missing. May have contraindications. Can cause side effects and adverse reactions.
Precautions re: Children
Keep out of 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 Doesn't contain artificial colors, flavors, or preservatives
Formulation re: Other
Not tested on animals
Formulation re: Other
Made in USA, Hawaii in an FDA registered facility.
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 2015
General Statements: All Other Content
For reorder simply scan this QR-code or visit: www.hawaiipharm.com
Seals/Symbols
USA Made in United States of America
Manufacturer & Distributor
Manufacturer
Hawaii Pharm LLC
510 Sumner St 613, Honolulu, HI, 96817
1-808-385-6076
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.
Elements of Green
5.0 (1)Herbal Medicine Shop
49 Greek St, London W1D 4EG
Holland & Barrett - Maddox Street
4.3 (52)Vitamin & Supplements Shop
6-8 Maddox St, London W1S 1NR
Planetis Natural Health & Nutrition
5.0 (38)Vitamin & Supplements Shop
32 Clifton Rd, London W9 1ST
Gobi Gold
5.0 (1)Vitamin & Supplements Shop
71-71 Shelton St, London WC2H 9JQ
Power Herbs apothecary
4.8 (74)Herbal Medicine Shop
105 Stoke Newington Rd, London N16 8BX
Nature's Healing Garden London
3.2 (24)Vitamin & Supplements Shop
25 St John's Wood High St, London NW8 7NH
OP Health UK
5.0 (7)Vitamin & Supplements Shop
167-169 Great Portland St, London W1W 5PF
Beijing Tong Ren Tang
3.7 (42)Chinese Medicine Shop
Nassau House, 124 Shaftesbury Ave, London W1D 5ES
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 2023-05-24. DSLD Label ID: 292413. 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.
