Japanese Knotweed (Polygonum cuspidatum) root extract

Japanese Knotweed (Polygonum cuspidatum) root extract | Supplement DB

Across the database

Across the listed products that contain Japanese Knotweed (Polygonum cuspidatum) root extract, we counted whether the amount is disclosed, how much is used, in which dosage forms and brands, and what it is combined with. This shows how the ingredient is used in a way a single label cannot.

Is the amount disclosed?
Amount disclosed	3	The label states a quantity
Amount not disclosed	2 (40%)	Typically a component of a proprietary blend, where the manufacturer does not publish the amount

Amount per serving (unit: mg, 3 products)
Measure	Amount	Meaning
Minimum	80 mg	Lowest label value in the database
25th percentile	190 mg

Median	300 mg	The middle value

75th percentile	400 mg	A quarter of products are at or above this

Maximum	500 mg	Highest label value in the database

Dosage forms of products with Japanese Knotweed (Polygonum cuspidatum) root extract
Form	Products	Share
Capsule	4	80%
Powder	1	20%

Brands using Japanese Knotweed (Polygonum cuspidatum) root extract (by number of products, top 10)
Brand	Products	Share
Nature's Answer	2	40%
Genceutic Naturals	1	20%
Nutra BioGenesis	1	20%
Confidence USA	1	20%

Ingredients often found in the same products as Japanese Knotweed (Polygonum cuspidatum) root extract (based on 5 products)
Ingredients	Products	Share
Vitamin C	2	40%
Vitamin E	2	40%
Niacin (Nicotinic Acid)	2	40%
Vitamin B12	2	40%

Across the database

Products with this ingredient (newest first)