Resveratrol

by Juvenon · capsule · 60 capsules

  • On the market (NIH)
  • UPC 8 53180 00029 8
  • DSLD label 50103
  • Serving 2 capsules
  • 30 servings

Resveratrol by Juvenon lists one ingredient: 500 mg of japanese knotweed root extract per serving of 2 capsules. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2015.

What is in Resveratrol?

Each row as the label prints it, per serving of 2 capsules. 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).

Resveratrol: Supplement Facts rows against the market (DSLD label 50103, January 2026 release)
IngredientAmount% DVAmong products listing it
Japanese Knotweed root extractas ResveratrolJapanese Knotweed root extract (Form: 50% Resveratrol) PlantPart: root Genus: Polygonum Species: cuspidatum500 mgHu Zhang in Resveratrol against 269 products500 mg per serving; the middle half of products list 50 mg to 400 mg, the median 150 mg.500 mg

Higher than 80% of 269 products listing hu zhang (median 150 mg).

Source: NIH ODS Dietary Supplement Label Database, label 50103 (entered September 25, 2015), 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 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?

6 products list the very same ingredients; the nearest amounts come first.

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: Adults- Take two capsules daily in the morning with food, as a dietary supplement or as directed by your doctor.
Warnings
Keep out of reach of children.
Do not use if clear safety seal around the cap is broken or missing.
Allergens and what it does not contain
~ 100% plant-derived with no animal or wheat-derived products
Storage
Store at room temperature in a cool dry place.

Source: label statements in DSLD label 50103.

What else is on the label?

Other ingredients: Hypromellose, Microcrystalline Cellulose, Magnesium Stearate, Silica.

How many labels does Resveratrol have?

2 labels are on file under this name since December 21, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 50103 (current) Entered September 25, 2015 · on the market · 60 capsules · UPC 8 53180 00029 8
  2. Label 15242 Entered December 21, 2012 · on the market · 60 capsules · UPC 6 76257 11000 9

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Juvenon (distributor), Incline Village, NV. All Juvenon products.

Where next?