Japanese Knotweed

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Japanese Knotweed

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

Sku: 543
Availability: In Stock
Regular price $40.00
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  • Sustainably Sourced
  • Proactive Health Approach
  • Practitioner Formulated
  • Impeccable Quality Standards
Immune Support
Neurological Support
Cognitive Support
Organ Detox Support
Liver Support
Lung Support

The rich collection of polyphenolic constituents in Japanese Knotweed 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 function, 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 function, 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: Organic Japanese Knotweed (Polygonum cuspidatum) root

Other Ingredients: Organic Sugarcane Ethanol (45-55%) and Purified Water.

1:5 Herb Strength Ratio

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.

Date of Manufacture: January 1, 2024


Frequently Asked Questions

How is Japanese Knotweed harvested?

Our Japanese Knotweed is harvested in the spring and fall from cultivated sources.

What is the strength ratio (herb: menstruum) in Japanese Knotweed?

The tincture extraction ratio is 1:5, meaning that 1 g of the herb is provided in 5 mL of the tincture.