Avena Botanicals

Japanese Knotweed Tincture

Japanese Knotweed Tincture - Main image
$15.53 $20.99 In stock

Category: Herbal Extracts

A common yet special herb that offers cardiovascular and immune support.*

Botanical Name: Polygonum cuspidatum.

Part Used: Dried root.

About Japanese Knotweed Tincture: This common herb made its way to the United States from Japan, China, and Korea, where it has established itself heartily in the landscape across the country. Japanese Knotweed is an important herb for people who live in areas of high tick concentration to familiarize themselves with. Our tincture utilizes the fresh root of the plant, but the young shoots are also a delicious and nourishing wild edible.

Japanese Knotweed root supports the immune system and the nervous system. Research shows that the root of this plant may contain properties that benefit a healthy cardiovascular system, including support to the physical tissues of this beautiful, heart-centered system.

Garden Notes: Japanese Knotweed spreads through the roots of the plant and is commonly seen growing along roadsides. Our plants are harvested from organic soils and sent out to a lab to ensure no heavy metals or other harmful bacteria are present. Once these plants are established, they are difficult to remove.

Taste / Energetics: drying, mildly aromatic, fruity, clearing, supportive.

When to reach for it: During the spring, summer, and autumn. To support a healthy heart and cardiovascular system. To support healthy immune function.


Ingredients: Dried Japanese Knotweed (Polygonum cuspidatum) root^, Spring Water, Grain Alcohol^, Vegetable glycerin^.

Servings: 30 per 1oz bottle.

Serving Size: 20 drops (1ml).

Suggested Use: Add 10-20 drops (.5-1ml) to 1 ounce of water 1-3 times/day or as directed by your healthcare provider.

Safety Considerations: Not for use in pregnancy or lactation.

Related Items: Teasel Tincture, Extra Echinacea, Hawthorn Tincture, Astragalus Tincture


^Certified Organic, ^^Sustainably Cultivated, **Consciously Wildcrafted, †Biodynamic®

*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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Customer Reviews (4.8 / 5 · 5 reviews)

Sofia ★★★★★

Two droppers in my morning tea has become a small ritual I actually look forward to. I like that it's just dried root extract, nothing else hiding in the bottle, and the dropper makes dosing easy without any mess. My joints have felt a bit easier these past few weeks, though I'll admit that could ju

Natalie ★★★★★

I've been using this tincture for a month and my seasonal allergies are noticeably milder. The dried root extract is potent—just a few drops under the tongue feels like solid immune support.

Abigail E. ★★★★★

The dropper makes it easy to get the same amount each time, and I like knowing it's just dried root and alcohol. Three weeks in, my joints feel less stiff in the mornings.