Resveratrol Japanese Knotweed, 75 mg
by Solaray · capsule · 60 vegetarian capsules
- On the market (NIH)
- UPC 0 76280 10348 9
- DSLD label 26811
- Serving 1 vegetarian capsule
Resveratrol Japanese Knotweed, 75 mg by Solaray lists 6 ingredients, 6 with an amount per serving of 1 vegetarian capsule, such as 75 mg of japanese knotweed (polygonum cuspidatum) (root/rhizome extract), 100 mg of grape, 50 mg of grape and 25 mg of red wine extract. Its current label entered the NIH Dietary Supplement Label Database on October 25, 2013.
What is in Resveratrol Japanese Knotweed, 75 mg?
Each row as the label prints it, per serving of 1 vegetarian capsule. 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 Knotweed (Polygonum cuspidatum) (root/rhizome extract)as Total Resveratrol, TransresveratrolJapanese Knotweed (Polygonum cuspidatum) (root/rhizome extract) (Form: guaranteed 30 mg 40% total Resveratrol, and 15 mg 20% Transresveratrol) PlantPart: root/rhizome Genus: Polygonum Species: cuspidatum | 75 mg | 62% of 269 products listing hu zhang give more (median 150 mg). Per day at the most servings: 150 mg. | |
| GrapeGrape PlantPart: skin Note: skin extract | 100 mg | Higher than 77% of 1,900 products listing grape (median 50 mg). Per day at the most servings: 300 mg. | |
| Guaranteed 20 mg [20%] Polyphenols | 20 mg | 54% of 249 products listing polyphenols give more (median 80 mg). Per day at the most servings: 135 mg. | |
| GrapeGrape PlantPart: seed Genus: Vitis Species: vinifera Note: seed extract | 50 mg | ||
| Guaranteed 47.5 mg [95%] Polyphenolsas Oligomeric ProanthocyanidinsGuaranteed 47.5 mg [95%] Polyphenols (Form: including Oligomeric Proanthocyanidins (Alt. Name: OPC)) | 47.5 mg | ||
| Red Wine extract | 25 mg | 50% of 115 products listing red wine give more (median 25 mg). Per day at the most servings: 50 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 26811 (entered October 25, 2013), 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 2 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?
1 product lists the very same ingredients; the nearest amounts come first.
- Resveratrol PlusVitabase same ingredients
- Resveratrol Japanese Knotweed 225 mgSolaray 4 shared, 83% alike
- ResveratrolDaily Nutrition · off the market 3 shared, 72% alike
- Resveratrol Synergistic FormulaNature's Way · off the market 3 shared, 72% alike
- ResveratrolNature's Way 3 shared, 72% alike
- ResveratrolMRM · off the market 4 shared, 66% alike
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
- Directions: Use only as directed. Take one vegetarian capsule up to two times daily with a meal or glass or water.
- Warnings
- Keep out of reach of children.
- WARNING: Do not use if safety seal is broken or missing.
- Keep your licensed health care practitioner informed when using this product.
- Do not use if you are pregnant.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 26811.
What else is on the label?
Other ingredients: Cellulose, Vegetable Cellulose Capsule, Silica, Maltodextrin, Magnesium Stearate.
How many labels does Resveratrol Japanese Knotweed, 75 mg have?
One label is on file, entered on October 25, 2013.
- Label 26811 (current) Entered October 25, 2013 · on the market · 60 vegetarian capsules · UPC 0 76280 10348 9
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Nutraceutical Corp. (manufacturer). All Solaray products.