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High-Dose Japanese Knotweed (Polygonum cuspidatum) root extract Supplements

2 products above 300 mg

2 supplements contain high-dose Japanese Knotweed (Polygonum cuspidatum) root extract (above 300 mg). The highest dosage product is Resveratrol at 500 mg.

Low Dose (2)High Dose (2)

High-Dose Products (sorted by dosage)

ProductBrandDosage% DV
ResveratrolNature's Answer500 mg
Super CrossConfidence USA300 mg

Frequently Asked Questions

What is considered high-dose Japanese Knotweed (Polygonum cuspidatum) root extract?

Based on 5 products in the NIH DSLD database, high-dose Japanese Knotweed (Polygonum cuspidatum) root extract supplements contain 300+ mg.

Is high-dose Japanese Knotweed (Polygonum cuspidatum) root extract safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including Japanese Knotweed (Polygonum cuspidatum) root extract.