Japanese Knotweed
Reynoutria japonica
A major plant source of resveratrol, used for circulation and in Lyme folk protocols.
Traditional use (tcm): A major plant source of resveratrol, used for circulation and in Lyme folk protocols.
A major plant source of resveratrol, used for circulation and in Lyme folk protocols.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- A major plant source of resveratrol, used for circulation and in Lyme folk protocols.
Evidence strength: limited human.
- See the evidence level above
- May add to blood thinners; can be laxative.
- Pregnant/breastfeeding people without medical advice
May add to blood thinners; can be laxative.
May interact with prescription medications — review with a clinician if you take any.
Use caution in pregnancy, breastfeeding, for children, and with chronic disease unless cleared by a clinician.
Choose reputable, tested suppliers; correct identification is essential for wild-harvested plants.