Quercetin

by Innate Response Formulas · tablet or pill · 90 tablets

  • On the market (NIH)
  • UPC 0 51494 40110 1
  • DSLD label 24529
  • Serving 1 tablet
  • 90 servings

Quercetin by Innate Response Formulas lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 500 mg of quercetin and 150 mg of phenolics. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2013.

What is in Quercetin?

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

Quercetin: Supplement Facts rows against the market (DSLD label 24529, January 2026 release)
IngredientAmount% DVAmong products listing it
100% Whole Food Nutrientsno amount given
Quercetinas Dimorphandra mollis500 mgQuercetin in Quercetin against 1,548 products500 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.500 mg

Higher than 84% of 1,548 products listing quercetin (median 100 mg).

Phenolicsas Cranberry, Orange, Wild Blueberry150 mg

Source: NIH ODS Dietary Supplement Label Database, label 24529 (entered August 23, 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 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.

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 Use: 1 tablet daily 20-30 minutes before meals, or as directed by your healthcare practitioner.
Allergens and what it does not contain
- Nothing Artificial or Synthetic - Tested Free of Gluten, Dairy or Soy
Free of Herbicides, Pesticides & Corn

Source: label statements in DSLD label 24529.

What else is on the label?

Other ingredients: Vegetable Cellulose, Guar Gum, Vegetable Lubricant, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Broad Spectrum Multi-Component Finished Good Tested; Please Recycle.

How many labels does Quercetin have?

One label is on file, entered on August 23, 2013.

  1. Label 24529 (current) Entered August 23, 2013 · on the market · 90 tablets · UPC 0 51494 40110 1

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

Who makes it?

The label names BioSan Laboratories, Inc. (manufacturer), Derry, NH. All Innate Response Formulas products.

Where next?