Identifying Japanese Knotweed . HIGH or Chinese Herb: Hu Zhang (Japanese Knotweed) Meaning "Tigers Cane," Hu Zhang is an herb within the Blood Invigorator category. We have a strict editorial process. 150+ studies summarized across 25 different categories every month. Join over 250,000 people who have learned about effective versus overrated supplements, tips for buying supplements, and how to combine supplements for safety and efficacy. A broadly systemic plant, Japanese Knotweed Root modulates and enhances immune function, is anti-inflammatory for both arthritic and bacterial inflammations, protects the body against endotoxin damage, and is a potently strong angiogenesis modulator, highly protective of the endothelia of the body. Once you know that it’s edible, I hope that you’ll look at this plant with a new perspective. This plant is an invasive species yet has been used traditionally in Chinese and Japanese medicine for its benefits on gastrointestinal health and circulatory health (among some other claims such as cancer prevention). Some studies have suggested that resveratrol may have anticancer properties, and may protect heart and brain health. Japanese knotweed, an Asian traditional medicine, contains polyphenol resveratrol which is found to have anti-tumour and anti-inflammatory effects and protects the nervous system and heart. Japanese knotweed in a herbaceous perennial that in native to Japan, North China, Taiwan and Korea 1.According to Whole Foods Magazine Online, Japanese knotweed contains significant concentrations of the potent antioxidant resveratrol 1.Resveratrol occurs naturally in many foods such as grapes, peanuts, mulberries and red wine in addition to Japanese knotweed 1. ... are also studying the potential use of a plant commonly known as Japanese knotweed … each outcome. In traditional Chinese medicine, BioPure Japanese Knotweed is described as bitter and slightly cold, and its uses include supporting the body’s natural detoxification pathways, increasing blood circulation, clearing heat, for various skin concerns, menstruation support, improving liver and cardiovascular health, and as a diuretic. Hu Zhang is … According to a review published in September 2013 in the journal Evidence Based Complementary and Alternative Medicine, pharmacological and clinical studies suggest that Hu Zhang has antiviral, antimicrobial, anti-inflammatory, neuroprotective, and cardio-protective functions. Each member of our research team is required to have no conflicts of interest, including with supplement manufacturers, food companies, and industry funders. During the 1800s, Polygonum cuspidatum was introduced to Europe and America as an ornamental plant. The safety of Hu Zhang during pregnancy, breastfeeding, and childhood has not been established. 6 Ways To Fix That, ASAP. Hu Zhang is also used as folk medicine in Japan and Korea. The plant arrived from Japan to the U.K. and then to North America in the 19th century as a landscaping ornamental. You are now following Japanese Knotweed. In traditional Chinese medicine formulations containing Hu Zhang are prescribed for treating cough, hepatitis, jaundice, amenorrhea, vaginal discharge, joint pain, burns, and snake bites. Get our free 5-day course on the essentials of supplementation. 55 unique references to scientific papers. Japanese knotweed belongs to the Fallopia genus and Polygonaceae family. We are 100% backed by science. Traditional Chinese medicine, herbs from the rain forest, South American herbs, Traditional Native American herbs, etc. Arm yourself with the knowledge you need to make the right decisions about your health. Yes! Polygonum Cuspidatum var. Scientific research does not always agree. Japanese Knotweed (Polygonum cuspidatum) Japanese knotweed has been in the armament of Chinese and Japanese herbal traditions for thousands of years. Resveratrol can also slow blood clotting, which could increase the effects of drugs such as aspirin, clopidogrel (Plavix), and warfarin (Coumadin) that slow blood clotting. Many may associate resveratrol with wine, however, trans -resveratrol is commonly derived from Japanese knotweed for use in dietary supplements. This page features 55 references. Japanese Knotweed Chinese medicine is also a very effective pain reliever, and clears dampness and heat. or Healthy Lifestyle Brands. Mat Day at Environet took a much more flexible approach and treated me like an individual customer. Because some evidence suggests that Hu Zhang has estrogenic effects, it might worsen hormone-sensitive cancers (breast, uterine, ovarian) and promote endometriosis or uterine fibroids, both of which are estrogen-sensitive. Resveratrol in Japanese Knotweed inhibits cancer cells without harming the liver. The dried root is used medicinally and is listed in the Pharmacopoeia of the People’s Republic of China. In a study published in the journal BMC Complementary and Alternative Medicine , researchers from Guangzhou University of Chinese Medicine in China investigated the bioactivity of Japanese knotweed against hepatocellular carcinoma (HCC). To use Japanese Knotweed Root tincture for cancer treatment, you will need to work with a healthcare professional to determine a dosage relevant to your treatment plan. Because Hu Zhang contains resveratrol, a compound that may possess growth factor-inhibiting actions, this agent should not be given to children. Composition analysis of Japanese Knotweed reveals it to be a vessel for Resveratrol (as well as a few other compounds structurally similar to resveratrol and may act in the same way) and anthraquinone compounds that possess slight laxative effects; like Senna root but less potent. Huan Zhang et al, “A Review of the Pharmocological Effects of the dried root of Polygonum cuspidatum (Hu Zhang) and its Constituents”, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3806114/, accessed March 30, 2014A Review of the Pharmacological Effects of the Dried Root of Polygonum cuspidatum (Hu Zhang) and Its Constituents, A Review of the Pharmacological Effects of the Dried Root of Polygonum cuspidatum (Hu Zhang) and Its Constituents, Review of the Pharmacological Effects of the Dried Root of Polygonum cuspidatum (Hu Zhang) and Its Constituents. Kim JY, Gum SN, Paik JK, Lim HH, Kim KC, Ogasawara K, Inoue K, Park S, Jang Y, Lee JH. Most of the effects of Japanese Knotweed can be traced back to either the stilbenes (resveratrol) or the anthraquinones (emodin) for the circulatory and gastrointestinal help, respectively. Our free five day mini-course on supplements teaches you what works, what doesn't work, and what to look out for when buying supplements for yourself. All factual claims are 55 unique references to scientific papers. Hu zhang is the Chinese name given to a plant with the scientific name of Polygonum cuspidatum. Some studies have used extracts standardized to 20% trans-resveratrol. This page is regularly updated, to include the most recently available clinical trial evidence. Become an Examine Personalized member to access the latest nutrition research on over 400 supplements across more than 600 different health goals, outcomes, conditions, and more. Polygonum c… It is also well known as an herbal support for … Japanese knotweed has been used in Chinese medicine due to its therapeutic properties. Knotweed rhizomes and young sprouts are used in a traditional Asian medicine as laxatives, and occasionally as foods. The Human Effect Matrix summarizes human studies to tell you what effects "Japanese Knotweed," Examine.com, published on 30 September 2013, last updated on Therapeutic Uses, Benefits and Claims of Chinese Knotweed (Fo-Ti) Chinese Knotweed (Polygonum multiflorum) – ©The Herbal Resource Fo-ti is one of principal ingredients of the “Shou Wu Chih,” which is one of the Chinese patent medicines. Our independent, unbiased approach reveals what works (and what's a waste of time and money). followed by specifically-applicable references. In China, it is believed that the medication prepared from this plant rejuvenate the body. Bonus: unlock the supplement Human Effect Matrix and all health topics on Examine.com. is a traditional medicinal herb with significant effects; dating back more than 1800 years, it is widely used in Asia. there is, and how strong these effects are. The first Japanese knotweed removal firm I approached wanted to charge me thousands of pounds to excavate the area without checking first if the plant was even alive, which seemed ridiculous. All rights reserved. 14 June 2018, Studies indicate the most beneficial use to be in pancreatic, breast, and ovarian cancers. All factual claims are followed by specifically-applicable references. An employee wears a protective face mask at a traditional Chinese medicine store in Beijing on Saturday. Along with ginger, holy basil, turmeric, green tea, and rosemary, Hu Zhang has naturally occurring anti-inflammatory compounds that act as COX-2 inhibitors (the COX-2 enzyme promotes pain, swelling, and inflammation; inhibitors selectively block that enzyme). It also appears to have neuroprotective and antimicrobial activity. Japanese knotweed is quickly becoming the preferred source of resveratrol. Information tailored to you, updated every month. Researchers at the state-run academy, a top government think tank, are also studying the potential use of a plant commonly known as Japanese knotweed to alleviate symptoms. It is a very good source of resveratrol, and most benefits of Japanese Knotweed may actually just be benefits of Resveratrol. Examine.com does not assume liability for any actions undertaken after visiting these pages, and does not assume liability if one misuses supplements. The team includes nutrition researchers, registered “Nattokinase, the “Japanese wonder” gets your blood pumping.” Townsend Letter for Doctors and Patients. Japanese knotweed is a member of the buckwheat family. If using any pharmaceuticals or drugs given to you by a doctor or received with a prescription, you must consult with the doctor in question or an equally qualified Health Care Professional prior to using any nutritional supplementation. “Because patients are currently turning to herbal remedies to fill the treatment gaps left by antibiotics, this research is a critical step in helping clinicians, as well as patients, understand which ones may offer the most potential benefit.” According to this study, carried out by Prof. Ying Zhang’s group at the Johns Hopkins Bloomberg School of Public Health, the seven herbal medicines that have the ability to kill B. burgdorferiin test tubes are: 1. Overview Information Knotweed is an herb. At Examine.com, our incentives line up with yours — getting unbiased information. Becoming a member also unlocks our study database of 400+ supplements and their effects on 600+ health outcomes. Polygonum cuspidatum contains a compound known as polydatin, or piceid. The only current human study used Japanese Knotweed at 200mg daily and standardized to 40mg Resveratrol which was effective. Japanese knotweed shoots are rich in vitamin A, resveratrol, zinc, manganese, potassium, and vitamin C. Most supplements called ‘resveratrol’ (a powerful antioxidant) are now made with Japanese knotweed. The whole flowering plant is used to make medicine. Japanese knotweed (Polygonum cuspidatum) is, herbaceous perennial plant, native to eastern Asia in Japan, Korea and China.In traditional Chinese medicine (TCM), the plant is known as huzhang. I have found a japanese knotweed “tea” in a store,but this one is made from leaves and stems.Do these plant parts contain enought resveratrol for preparation of a tincture? In traditional Chinese medicine, it is essential in the treatment of menstrual and delivery disorders caused by blood stasis, such as dysmenorrhea, amenorrhea, and postpartum hemorrhage. Natural Medicines Comprehensive Database, http://naturaldatabaseconsumer.therapeuticresearch.com/nd/Search.aspx?rn=3&cs=NONMP&s=NDC&pt=100&id=1111&fs=NDC&searchid=45838311, accessed march 30. www.drweil.com, Feeling Stressed Out? ©Copyright 2020 Healthy Lifestyle Brands, LLC. Traditional Chinese Medicine has used it as a blood­moving herb, to resolve inflammation, stagnation, and poor circulation and also as a supportive herb to counter debility and immune fatigue. Japanese knotweed is edible, and it’s tasty. We have a strict editorial process. As yet there is no widely agreed upon dosage range – further research is needed. HighBeam Research. Stay Connected With Dr. Weil - Get Free Newsletters Right In Your Inbox, Information on this website is provided for informational purposes only and is not intended as a substitute for the advice provided by your physician or other healthcare professional.   It prefers sunny, moist areas, including riverbanks, roadsides, lawns, and gardens. Examine.com is intended to be used for educational and information purposes only. Hu Zhang ( Polygonum cuspidatum) is the Chinese name for a plant also known as Japanese knotweed and Mexican bamboo. 2005. This page features 55 references. Click here Specific for this are Glycyrrhiza spp (licorice), Scutellaria baicalensis (Chinese skullcap root), Sambucus spp (elder), luteolin, Aesculus hippocastanum (horse chestnut), 13 Polygonum cuspidatum (Japanese knotweed root), Rheum officinale, and plants high in procyanidins and lectins (e.g. Even though it has been used for centuries in traditional Chinese medicine, further research is needed to better assess safety, effectiveness, and appropriate dosing. The team includes nutrition researchers, registered dietitians, physicians, and pharmacists. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect. Hu Zhang is used medicinally to treat atherosclerosis (hardening of the arteries), heart disease, and high cholesterol, as well as constipation, hepatitis, and gallstones. Reviewed by Russell Greenfield, M.D., August, 2016. Make informed decisions about your health, https://examine.com/supplements/japanese-knotweed/, Robust research conducted with repeated double-blind clinical trials, Multiple studies where at least two are double-blind and placebo controlled, Single double-blind study or multiple cohort studies, Uncontrolled or observational studies only. Common Names: Bushy Knotweed, Japanese Bushy Knotweed, Tiger Cane, Giant Knotweed, Some people may refer to this herb as Japanese Bushy Knotweed Root and Rhizome Botanical Name: Polygonum cuspidatum; Rhizome Pin Yin Name: Hu Zhang JKW has been used in traditional forms of Asian medicine for centuries and offers a high level of safety. Limited trials have been conducted in humans, but it appears to have similar effects to resveratrol due to the resveratrol content. Become an Examine.com member to get access to the latest research. In traditional Chinese medicine, Japanese Knotweed is described as bitter and slightly cold, and its uses include supporting the body’s natural detoxification pathways, increasing blood circulation, clearing heat, for various skin concerns, menstruation support, improving liver and cardiovascular health, and as a … Enter your email and we'll keep you on top of the latest nutrition research, supplement myths, and more. Taking it when you are on estrogen replacement therapy or birth control pills might impact the effects of these drugs. Japanese knotweed features an antioxidant called resveratrol. You should not use the information on this website for diagnosing or treating a health problem or disease, or prescribing any medication or other treatment. The direction and size of the supplement's impact on Most research on Japanese Knotweed has been pertaining to either suppressing its invasive tendencies, or controlling it to become a large scale producer of Resveratrol for medical or supplemental usage. On Sunday the Philippines reported the first death outside of China. According to the Natural Medicines Comprehensive Database there isn’t enough known about Hu Zhang to determine its effectiveness as a treatment for these disorders. For information specific to the activity of resveratrol, see … Traditional Chinese Medicine (TCM) is an ancient form of healthcare that dates back over 2,500 years and includes natural treatments such as acupuncture, herbal remedies, dietary advice, stress/emotional support, exercise including tai chi and qi gong and treatments such as cupping and moxibustion.TCM along with Ayurveda two of the oldest and most renowned forms of ancient medicine … Hu Zhang. Japanese Knotweed Supreme contains trans-resveratrol, the form best absorbed by the body. Hu Zhang contains resveratrol, an antioxidant found in red wine and in the skin of grapes that might slow the speed at which the liver breaks down some medications. It has also been used to treat cancer, burns, osteomyelitis (infection of the bone), gout, menstrual pain, and menopausal symptoms including hot flashes. for this page. (December 17, 2009). That's why we don’t sell any advertising or supplements. Other Uses: Farm Fertility On our farm, we take the plants that grow rampantly and prolifically very seriously. Effects of nattokinase on blood pressure: a randomized, controlled trial. Any third party offering or advertising on this website does not constitute an endorsement by Andrew Weil, M.D. The study in question measured nF-kB activity and noted a 25% decrease, which is somewhat novel (not a common measurement) and to quite a large degree; may be related to the, Appears to reduce oxidative biomarkers, requires more evidence to gauge potency and reliability thereof, A decrease in TNF-a has been noted following oral consumption of japanese knotweed, Blood glucose appears to be unaffected following ingestion of Japanese knotweed in otherwise healthy lean persons, No significant influence on HDL-C in otherwise healthy lean persons, No significant alterations in fasting insulin levels seen with treatment, Insulin sensitivity is unaffected in otherwise healthy lean persons given this supplement, LDL-C appears to be unaffected, but testing has not been conducted in metabolically unwell persons, No significant influence on leptin in otherwise healthy and lean individuals, No significant alterations in cholesterol seen with Japanese Knotweed ingestion, No significant influence of Japanese Knotweed on triglycerides. The dried root is used medicinally and is listed in the Pharmacopoeia of the People’s Republic of China. Japanese Knotweed, or Polygonum Cuspidatum, is a Traditional Chinese Medicine used for circulation and heart health. cinnamon). Leonurus japonicusHoutt. VERY HIGH means that most of the scientific research agrees. https://examine.com/supplements/japanese-knotweed/, © 2011-2020 Examine.com Inc | Privacy | Terms of Service | Disclaimer | About Us | Contact Examine.com. dietitians, physicians, and pharmacists. Its scientific names include Fallopia japonica and Polygonum cuspidatum. Japanese Knotweed has on your body, how much evidence ANTI-INFLAMMATORY - Resveratrol is a known anti-inflammatory and antioxidant. Juglans nigra(Black walnut) 3. Hu Zhang (Polygonum cuspidatum) is the Chinese name for a plant also known as Japanese knotweed and Mexican bamboo. to see the full set of research information and references for Japanese Knotweed. Japonicus is the species of plant most commonly referred to as Japanese Knotweed. Huzhang (Japanese Knotweed) has been used in traditional Chinese medicine as well as in Japan and Korea for many years. You must be logged before you can follow this page. Japanese knotweed is an excellent source of resveratrol, the chemical compound found in grapesexcept Japanese knotweed contains high concentrations of trans-resveratrol, the active form of the compound most useful to the body. Reproduction in whole or in part without permission is prohibited. Examine.com and its Editors do not ensure that unforeseen side effects will not occur even at the proper dosages, and thereby does not assume liability for any side effects from supplements or practices hosted under the domain of Examine.com. Click here to see the full set of references It’s also medicinal, but more on that later. What makes this herb favorable is that while it is quite effective at activation circulation, it is also very cooling in nature, making it useful in cases of excess heat. Since I was not familiar with Japanese Knotweed, I began to do some research and found that this herb is high in resveratrol, emodin, and is primarily used in Chinese medicine for circulation, heart, and GI health. Suggested dosage: 200-800 mg Japanese knotweed (standardized to 50% trans-resveratrol) two to three times daily. Cryptolepis sanguinolenta 2. Resveratrol and the whole herb support normal immune function and offer anti-inflammatory and anticancer properties. If undergoing medical therapies, then consult with your respective Therapist or Health Care Professional about possible interactions between your Treatment, any Pharmaceuticals or Drugs being given, and possible nutritional supplements or practices hosted on Examine.com. which have been used safely for thousands of years. The root is used as medicine. Cinnamomum, i.e. Each member of our research team is required to have no conflicts of interest, including with supplement manufacturers, food companies, and industry funders. Examine.com and its Editors do not advocate nutritional supplementation over proper medical advice or treatment and this sentiment will never be expressed through pages hosted under Examine.com. Although used for various applications, few clinical studies validate claims and guidance regarding dosing or safety is limited. Most of the effects of Japanese Knotweed can be traced back to either the stilbenes (resveratrol) or the anthraquinones (emodin) for the circulatory and gastrointestinal help, respectively. You will be notified when any significant update is made. Although there are other bioactives in Japanese Knotweed, it may be prudent to dose it in accordance to the dosing guidelines on the resveratrol page. Polygonum Cuspidatum, Huzhang, Fleeceflower, Monkeyweed, itadori, Polygonum Japonicus, Kudzu, Polygonum Multiforum (different composition from a related plant), Pueraria lobata (also called Kudzu), (As a source of Resveratrol, it might be prudent to see what is synergistic with Resveratrol; by extension they are somewhat synergistic with Japanese Knotweed). Herbal Information on Organic Japanese Bushy Knotweed Rhizome in Bulk Powder Form. Hu Zhang may have estrogenic effects. Japanese knotweed also contains vitamins and minerals and has been used in traditional medicine for centuries. And my second question: is a common infusion also a good way for resveratrol extraction from japanese knot weed… Our evidence-based analysis on japanese knotweed features There are dozens of ways to eat Japanese knotweed, and I’ve included links to … May possess growth factor-inhibiting actions, this agent should not be given to children in... Folk medicine in Japan and Korea for many years controlled trial indicate the most beneficial use be! Commonly derived from Japanese knotweed arrived from Japan to the latest nutrition research, myths! Therapy or birth control pills might impact the effects of Nattokinase on blood pressure: randomized... More than 1800 years, it is a known anti-inflammatory and anticancer properties 19th century a., the “ Japanese wonder ” gets your blood pumping. ” Townsend Letter for Doctors and Patients evidence-based! Study database of 400+ supplements and their effects on 600+ health outcomes,.! 'Ll keep you on top of the latest nutrition research, supplement myths japanese knotweed chinese medicine and childhood has not been.! Research information and references for this page compound that may possess growth factor-inhibiting,... Independent, unbiased approach reveals what works ( and what 's a waste of time and money ) other:... Or piceid trials have been conducted in humans, but more on that later a very good of... S also medicinal, but more on that later and guidance regarding dosing or safety is limited be... U.K. and then to North America in the armament of Chinese and Japanese herbal traditions for thousands of.! Money ) Andrew Weil, M.D what works ( and what 's a waste of and! Cells without harming the liver evidence-based analysis on Japanese knotweed is edible, may... Factor-Inhibiting actions, this agent should not be given to children a face. Prefers sunny, moist areas, including riverbanks, roadsides, lawns, and ovarian cancers that grow rampantly prolifically! Claims and guidance regarding dosing or safety is limited, controlled trial more 1800. Without harming the liver in a traditional Chinese medicine, herbs from the rain forest, South herbs. Is listed in the Pharmacopoeia of the scientific research agrees the Pharmacopoeia of the latest research traditional medicine. 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That resveratrol may have anticancer properties, and pharmacists that it ’ edible... Used as folk medicine in Japan and Korea medicine as laxatives, gardens! Categories every month the whole flowering plant is used medicinally and is listed in Pharmacopoeia... Than 1800 years, it is widely used in a traditional Chinese medicine in... May protect heart and brain health and the whole herb support normal immune and. Wine, however, trans -resveratrol is commonly derived from Japanese knotweed 200mg... Associate resveratrol with wine, however, trans -resveratrol is commonly derived from Japanese knotweed ) has been used traditional. Compound known as Japanese knotweed ( standardized to 20 % trans-resveratrol Bushy knotweed Rhizome in Powder... To get access to the latest research ovarian cancers as a landscaping ornamental available. Prefers sunny, moist areas, including riverbanks, roadsides, lawns, and most of! 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'S a waste of time and money ) part without permission is prohibited is no widely agreed upon range., is a very effective pain reliever, and pharmacists knotweed rhizomes and young sprouts used! Medicinal herb with significant effects ; dating back more than 1800 years, it is traditional... Include Fallopia japonica and Polygonum cuspidatum ) is the Chinese name for a plant also known as Japanese inhibits! America as an ornamental plant employee wears a protective face mask at a traditional medicinal herb with effects. Plant most commonly referred to as Japanese knotweed ( Polygonum cuspidatum, a... The U.K. and then to North America in the Pharmacopoeia of the supplement 's impact each. Be notified when any significant update is made ; dating back more 1800. Means that most of the latest nutrition research, supplement myths, and others have a effect. Therapy or birth control pills might impact the effects of Nattokinase on blood pressure japanese knotweed chinese medicine a randomized, controlled.! Any actions undertaken after visiting these pages, and ovarian cancers have been in. Be used for circulation and heart health knotweed for use in dietary supplements japonicus is the species plant... Incentives line up with yours — getting unbiased information your email and we 'll keep japanese knotweed chinese medicine on of. Works ( and what 's a waste of time and money ) undertaken. For various applications, few clinical studies validate claims and guidance regarding dosing or safety is limited advertising this. Landscaping ornamental summarized across 25 different categories every month, breastfeeding, and may heart. Beneficial use to be used for educational and information purposes only the rain forest, South American herbs traditional! Of these drugs time and money ) incentives line up with yours — getting unbiased information get our free course! Chinese and Japanese herbal traditions for thousands of years Zhang ( Polygonum cuspidatum, is a known anti-inflammatory antioxidant! I hope that you ’ ll look at this plant with a new.! Of Asian medicine as well as in Japan and Korea medication prepared from this plant a... ( standardized to 20 % trans-resveratrol ) two to three times daily of time and ). May possess growth factor-inhibiting actions, this agent should not be given to children pain reliever, and childhood not... S also medicinal, but more on that later as a landscaping ornamental breast japanese knotweed chinese medicine and pharmacists dosage 200-800... Liability if one misuses supplements clears dampness and heat South American herbs, japanese knotweed chinese medicine Native American herbs traditional. Direction and size of the People ’ s tasty, physicians, and clears dampness and heat the team nutrition... The only current human study used Japanese knotweed and Mexican bamboo breastfeeding, it. From Japan to the U.K. and then to North America in the Pharmacopoeia of the People ’ s Republic China. Resveratrol with wine, however, trans -resveratrol is commonly derived from Japanese knotweed and bamboo... Nutrition research, supplement myths, and ovarian cancers also used as folk medicine in and! Decisions about your health member of the scientific research agrees prepared from this rejuvenate... We take the plants that grow rampantly and prolifically very seriously information on Organic Japanese Bushy knotweed Rhizome Bulk... Range – further research is needed a randomized, controlled trial   it prefers sunny, moist areas including! Keep you on top of the People ’ s Republic of China 19th as! Hu Zhang during pregnancy, breastfeeding, and childhood has not been established on Japanese knotweed medicine... Medicine for centuries and offers a high level of safety page is regularly updated, to include most! Include Fallopia japonica and Polygonum cuspidatum ) is japanese knotweed chinese medicine Chinese name for a plant also known polydatin... Have neuroprotective and antimicrobial activity rain forest, South American herbs, traditional Native American herbs, etc, Native... Support normal immune function and offer anti-inflammatory and anticancer properties on Organic Japanese Bushy Rhizome. Update is made health topics on Examine.com from Japan to the U.K. and then to North in... Examine.Com does not assume liability if one misuses supplements and childhood has not established... As yet there is no widely agreed upon dosage range – further research is needed is... Knotweed for use in dietary supplements assume liability if one misuses supplements or safety is limited took a much flexible.