ResveratrolRich Regular Strength Resveratrol Concentrate

by Natural Factors · capsule · 60 vegetarian capsules

  • On the market (NIH)
  • UPC 0 68958 04531 3
  • DSLD label 38158
  • Serving 1 capsule

ResveratrolRich Regular Strength Resveratrol Concentrate by Natural Factors lists 4 ingredients, 2 with an amount per serving of 1 capsule, such as 250 mg of ResveratrolRich proprietary blend; 2 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on October 27, 2014.

What is in ResveratrolRich Regular Strength Resveratrol Concentrate?

Each row as the label prints it, per serving of 1 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).

ResveratrolRich Regular Strength Resveratrol Concentrate: Supplement Facts rows against the market (DSLD label 38158, January 2026 release)
IngredientAmount% DVAmong products listing it
ResveratrolRich Proprietary Blend250 mgResveratrol in ResveratrolRich Regular Strength Resveratrol Concentrate against 1,123 products250 mg per serving; the middle half of products list 20 mg to 125 mg, the median 50 mg.250 mg

Higher than 85% of 1,123 products listing resveratrol (median 50 mg). Per day at the most servings: 500 mg.

Wine Grape (Vitis vinifera) concentratein the blend, no amount given
purified Resveratrolas Japanese Knotweedpurified Resveratrol (Form: from Japanese Knotweed PlantPart: root Genus: Polygonum Species: cuspidatum)in the blend, no amount given
providing natural Trans Resveratrol125 mg

Source: NIH ODS Dietary Supplement Label Database, label 38158 (entered October 27, 2014), 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; 2 ingredients sit inside a blend, so their amounts cannot be compared.

The NIH database records 1 to 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?

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
Suggested Usage: 1 capsule 1–2 times per day or as directed by a health professional.
Warnings
Keep out of reach of children.
Sealed for your protection. Do not use if seal is broken.
Allergens and what it does not contain
Contains no artificial preservatives, color or sweeteners; no corn, dairy, gluten, soy, starch, wheat or yeast.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 38158.

What else is on the label?

Other ingredients: Rice powder, Vegetarian Capsule, Magnesium Stearate, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Purity&Potency Guaranteed.

How many labels does ResveratrolRich Regular Strength Resveratrol Concentrate have?

2 labels are on file under this name since June 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 38158 (current) Entered October 27, 2014 · on the market · 60 vegetarian capsules · UPC 0 68958 04531 3
  2. Label 9502 Entered June 25, 2012 · off the market July 15, 2014 · 60 vegetarian capsules · UPC 0 68958 04531 3

DSLD also links this label to: ResveratrolRich Super Strength Resveratrol Concentrate (image difference, same product), ResveratrolRich Super Strength Resveratrol Concentrate (image difference, same product).

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

Who makes it?

The label names Natural Factors Canada (manufacturer). All Natural Factors products.

Where next?