Japanese Knotweed Extract

Japanese Knotweed (Polygonum cuspidatum) is a potent botanical extract rich in anthraquinones, flavonoids, and stilbenes, including resveratrol. Supports the liver and immune function and cellular health.*

Availability: 2356 In Stock
Sku: 543

The rich collection of polyphenolic constituents in our Japanese Knotweed tincture offers a broad spectrum of benefits, including powerful immune, neurocognitive, and cardiovascular system support.* Resveratrol, a vital compound in Japanese Knotweed, supports autophagy, microbial balance, cellular health, and a normalized response to oxidative stress.* These beneficial attributes result in a potent tincture that supports overall well-being.*

  • Rich source of polyphenols, including resveratrol*
  • Supports microbial balance, optimal immune, neurological, and cardiovascular function*
  • Provides key bioactive ingredients that support autophagy, cellular health, and a normalized response to oxidative stress*


  • Japanese Knotweed (Polygonum cuspidatum) is a multi-purpose herbal tincture that supports whole-body balance and overall wellness.*

    Serving Size: 1 Dropperful (About 0.7mL)  Servings Per Container: 84
    Ingredients: Proprietary blend of Organic Japanese Knotweed (Polygonum cuspidatum) root
    Other Ingredients: Purified Water and Organic Sugarcane Ethanol (42-52%)
    Caution: Do not use when pregnant or nursing unless recommended by your Health Care Practitioner.
    Keep out of reach of children.
    Free from the Top 8 allergens
    Shake before use. Store in a cool, dry and dark place.
    Suggested Use: Take 1 full squeeze of the dropper 2 to 3 times per day or as directed by your Health Care Practitioner.

    Manufactured Date: May 2023

    Q: How is Japanese Knotweed harvested?
    A: Our Japanese Knotweed is harvested in the spring and fall from cultivated sources.

    Q: What is the strength ratio (herb: menstruum) in Japanese Knotweed?
    A: The tincture extraction ratio is 1:5, meaning that 1 g of the herb is provided in 5 mL of the tincture.

    * These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.