Non-nutrient/non-botanical · Supplement ingredient
Quercetin
Quercetin is listed on 1,416 U.S. supplement product labels in the NIH DSLD, #156 of 4,614 by label frequency.
- 1,416
- Products
- #156 of 4,614
- By frequency
How common is Quercetin?
Number of supplement labels listing Quercetin vs nearby non-nutrient/non-botanical ingredients
- Magnesium
Magnesium
27,686 products
- Citric Acid 10,081
Citric Acid
10,081 products
- Sucralose 5,697
Sucralose
5,697 products
- Alcohol 4,787
Alcohol
4,787 products
- Acesulfame potassium 3,384
Acesulfame potassium
3,384 products
- Quercetin 1,416
Quercetin
1,416 products
Products containing Quercetin
Nearby Ingredients in Non-nutrient/non-botanical
Other ingredients in the Non-nutrient/non-botanical category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.
Nationwide ingredients with similar DSLD presence
Two peer sets for Quercetin: closest on total DSLD label listings (1,416 here) and closest on distinct brands that list it (459 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.
Similar label frequency
Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.
Similar brand breadth
Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.
Frequently asked about Quercetin
How many supplement products contain Quercetin? ▼
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).
Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.
Read our methodology , how this data is sourced, computed, and verified.
Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.