Resveratrol Japanese Knotweed 225 mg
by Solaray · capsule · 60 vegcaps
- On the market (NIH)
- UPC 0 76280 48947 7
- DSLD label 339110
- Serving 1 vegcap
- 60 servings
Resveratrol Japanese Knotweed 225 mg by Solaray lists 7 ingredients, 7 with an amount per serving of 1 vegcap, such as 225 mg of japanese knotweed rhizome, root extract, 100 mg of grape skin extract, 200 mg of grape seed extract and 25 mg of red wine extract. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2025.
What is in Resveratrol Japanese Knotweed 225 mg?
Each row as the label prints it, per serving of 1 vegcap. 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 Rhizome, Root Extractas Japanese Knotweed Rhizome Extract, Japanese Knotweed Root Extract | 225 mg | Higher than 64% of 269 products listing hu zhang (median 150 mg). | |
| Total Resveratrolguaranteed 40% | 90 mg | Higher than 75% of 1,123 products listing resveratrol (median 50 mg). | |
| Trans-Resveratrolguaranteed 20% | 45 mg | ||
| Grape Skin Extract | 100 mg | Higher than 89% of 1,900 products listing grape (median 50 mg). | |
| Polyphenolsguaranteed 20% | 20 mg | 72% of 249 products listing polyphenols give more (median 80 mg). | |
| Grape Seed Extract | 200 mg | ||
| Polyphenolsas Oligomeric Proanthocyanidinsguaranteed 95% | 190 mg | ||
| Red Wine Extract | 25 mg | 50% of 115 products listing red wine give more (median 25 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 339110 (entered August 22, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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 one serving 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?
The products whose ingredient lists overlap most with Resveratrol Japanese Knotweed 225 mg's, rare ingredients counting for more.
- Resveratrol PlusVitabase 4 shared, 83% alike
- Resveratrol Japanese Knotweed, 75 mgSolaray 4 shared, 83% alike
- ResveratrolMRM · off the market 5 shared, 80% alike
- ResveratrolMRM Nutrition 5 shared, 80% alike
- Resveratrol ComplexSwanson 4 shared, 76% alike
- Grape Seed Extract Plus Resveratrol 325 mgResVitale 4 shared, 75% 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 1 VegCap daily with a meal or glass of water.
- Warnings
- Warning: Do not use if safety seal is broken or missing. Keep your licensed health care practitioner informed when using this product.
- Keep out of reach of children.
- Do not use if you are pregnant.
- Directions: Use only as directed.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 339110.
What else is on the label?
Other ingredients: Cellulose, Rice Extract Blend, Silica.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Lab Verified Vegan.
How many labels does Resveratrol Japanese Knotweed 225 mg have?
One label is on file, entered on August 22, 2025.
- Label 339110 (current) Entered August 22, 2025 · on the market · 60 vegcaps · UPC 0 76280 48947 7
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.