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Japanese Knotweed (Polygonum cuspidatum) root extract

botanical

4
products
Updated April 2026

Dosage Range

5 mgavg 262 mg500 mg

Japanese Knotweed (Polygonum cuspidatum) root extract is found in 5 supplement products from 3 brands. Dosages range from 5 to 500 mg, with an average of 262. The most common form is Capsule.

Top 5 Highest-Dosage Japanese Knotweed (Polygonum cuspidatum) root extract Supplements

  1. Resveratrol by Nature's Answer500 mg
  2. Super Cross by Confidence USA300 mg
  3. Daily Power Packs For Men by Arbonne Essentials5 mg
  4. Daily Power Packs For Women by Arbonne Essentials5 mg

Resveratrol by Nature's Answer has the highest Japanese Knotweed (Polygonum cuspidatum) root extract dosage at 500 mg. Daily Power Packs For Women by Arbonne Essentials has the lowest at 5 mg.

All Products

showing 4 of 4
ResveratrolNature's Answer
500 mg DVCapsule
Super CrossConfidence USA
300 mg DVCapsule
Daily Power Packs For MenDiscontinuedArbonne Essentials
5 mg DVOther (e.g. tea bag)

Frequently Asked Questions

How many products contain Japanese Knotweed (Polygonum cuspidatum) root extract?

There are 5 supplement products containing Japanese Knotweed (Polygonum cuspidatum) root extract from 3 brands in the NIH DSLD database.

What is the average Japanese Knotweed (Polygonum cuspidatum) root extract dosage?

The average Japanese Knotweed (Polygonum cuspidatum) root extract dosage across supplement products is 262 mg. Dosages range from 5 to 500 mg.

What is the most common form for Japanese Knotweed (Polygonum cuspidatum) root extract supplements?

The most common product form for Japanese Knotweed (Polygonum cuspidatum) root extract supplements is Capsule.

What brands make Japanese Knotweed (Polygonum cuspidatum) root extract supplements?

There are 3 brands that make supplements containing Japanese Knotweed (Polygonum cuspidatum) root extract in the NIH DSLD database.

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Quick Facts

Products
5
Brands
3
Avg Dose
262 mg
Common Form
Capsule
Category
botanical