Extension Resveratrol 300 mg

by Vitamin Research Products · capsule · 90 capsules

  • On the market (NIH)
  • UPC 8 10832 01248 1
  • DSLD label 33997
  • Serving 1 capsule

Extension Resveratrol 300 mg by Vitamin Research Products lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 300 mg of trans-resveratrol, 50 mg of quercetin and 10 mg of red wine polyphenol complex. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2014.

What is in Extension Resveratrol 300 mg?

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).

Extension Resveratrol 300 mg: Supplement Facts rows against the market (DSLD label 33997, January 2026 release)
IngredientAmount% DVAmong products listing it
Trans-Resveratrolas Japanese Knotweed (Polygonum cuspidatum) root extractTrans-Resveratrol (Form: from Japanese Knotweed (Polygonum cuspidatum) Root Extract PlantPart: root Genus: Polygonum Species: cuspidatum)300 mgResveratrol in Extension Resveratrol 300 mg against 1,123 products300 mg per serving; the middle half of products list 20 mg to 125 mg, the median 50 mg.300 mg

Higher than 92% of 1,123 products listing resveratrol (median 50 mg). Per day at the most servings: 900 mg.

Quercetin50 mgQuercetin in Extension Resveratrol 300 mg against 1,548 products50 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.50 mg

56% of 1,548 products listing quercetin give more (median 100 mg). Per day at the most servings: 150 mg.

Red Wine Polyphenol complex10 mgRed Wine in Extension Resveratrol 300 mg against 115 products10 mg per serving; the middle half of products list 25 mg to 90 mg, the median 25 mg.10 mg

82% of 115 products listing red wine give more (median 25 mg). Per day at the most servings: 30 mg.

Source: NIH ODS Dietary Supplement Label Database, label 33997 (entered June 25, 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 300 mg of trans-resveratrol (filed by NIH under resveratrol) is higher than 92% of the 1,123 resveratrol products that print an amount; 85 list more.
  • 82% of the 115 products that print an amount of red wine list more than its 10 mg of red wine (median 25 mg).

The NIH database records 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?

1 product lists 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: Take 1 capsule up to three times per day.
Warnings
Keep out of reach of children.
Storage
Keep container tightly closed in a cool, dry and dark place.

Source: label statements in DSLD label 33997.

What else is on the label?

Other ingredients: Hydroxypropylmethylcellulose, Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): LABORATORY TESTED QUALITY & PURITY; VRP.

How many labels does Extension Resveratrol 300 mg have?

One label is on file, entered on June 25, 2014.

  1. Label 33997 (current) Entered June 25, 2014 · on the market · 90 capsules · UPC 8 10832 01248 1

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

Who makes it?

The label names VRP Brand, LLC (distributor), Carson City, NV. All Vitamin Research Products products.

Where next?