Japanese Knotweed
by Samsara Herbs · powder · 16 ounces
- On the market (NIH)
- UPC X0017C2U7H
- DSLD label 220680
- Serving 2.5 g (1 Scoop)
- 181 servings
Japanese Knotweed by Samsara Herbs lists one ingredient: 2,500 mg of japanese knotweed per serving of 2.5 g. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2020.
What is in Japanese Knotweed?
Each row as the label prints it, per serving of 2.5 g. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Japanese Knotweedas ResveratrolJapanese Knotweed (Form: 50% Resveratrol) PlantPart: root Genus: Fallopia Species: japonica | 2,500 mg | This amount is far outside what other labels list for hu zhang, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD. |
Source: NIH ODS Dietary Supplement Label Database, label 220680 (entered June 24, 2020), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 1 to 3 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- Hu Zhang Non-AlcoholHawaii Pharm same ingredients
- Hu Zhang Alcohol FreeHawaii Pharm same ingredients
- Hu Zhang Alcohol FreeHerbal Terra same ingredients
- Resveratrol 1000 mgWe Like Vitamins · off the market same ingredients
- Resveratrol Polygonum Cuspidatum 1000 mgWe Like Vitamins same ingredients
- Resveratrol 1000 mgOomph Naturals same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Our water soluble herbal extracts are best mixed in juice or a smoothie, although mixing in water is perfectly fine if you can tolerate the taste.
- Suggested Use: Take 1 Scoop 1-3 times per day or as recommended by your health care professional.
- Warnings
- Caution: If you have a medical condition, are pregnant or taking medications, consult your hearth care professional before using this product.
- Keep out of reach of children.
- Storage
- Storage Cool dry place, out of direct sunlight.
Source: label statements in DSLD label 220680.
What else is on the label?
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Good Manufacturing Practice USA Tested 3rd party USA tested.
How many labels does Japanese Knotweed have?
4 labels are on file under this name since May 22, 2020: other sizes, label designs and reformulations. The current one leads this page.
- Label 220680 (current) Entered June 24, 2020 · on the market · 16 ounces · UPC X0017C2U7H
- Label 220679 Entered June 24, 2020 · on the market · 8 ounces · UPC X0017DIWDR
- Label 220678 Entered June 24, 2020 · on the market · 4 ounces · UPC X0017DIQC9
- Label 220675 Entered May 22, 2020 · on the market · 2 ounces · UPC X0017DDB9H
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Aspen Copacking (manufacturer), Lindon, Utah. All Samsara Herbs products.