Swanson Premium Brand · Non-Nutrient/Non-Botanical supplement
High Potency Quercetin 650 mg
4 ingredients on file in the NIH Dietary Supplement Label Database, top 84% by ingredient count. Off-market, label data preserved for reference.
- 4
- Ingredients
- Top 84%
- By ingredient count
- 4
- Nutrient categories
High Potency Quercetin 650 mg is a non-nutrient/non-botanical supplement by Swanson Premium Brand in capsule form, listing 4 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as off-market (no longer available for purchase, but label data is preserved). Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.
Product Details
- Form
- Capsule
- Database Entry Date
- 2017-05-24
- Ingredients
- 4
Supplement Facts (4 Ingredients)
How does High Potency Quercetin 650 mg compare?
Ingredients listed on each label, against the non-nutrient/non-botanical category average of 6.9. Data from the NIH DSLD.
High Potency Quercetin 650 mg lists 5 ingredients fewer than 1 Andro Stenelone. That is 3 below the non-nutrient/non-botanical average.
What the Label Data Shows
According to NIH DSLD label rows, High Potency Quercetin 650 mg sits in the top 84% of products with a countable formula by declared ingredient count.
High Potency Quercetin 650 mg is a compact, 4-ingredient non-nutrient/non-botanical supplement from Swanson Premium Brand, sold in capsule form, cataloged in the NIH Dietary Supplement Label Database (DSLD). These ingredients span 4 nutrient categories, non-nutrient/non-botanical, protein, botanical, other, reflecting a multi-component formula rather than a single-nutrient product.
With only 4 ingredients on the label, 4 of 4 have no percentage Daily Value reported in this DSLD source record, so this page cannot determine their FDA reference status from the available data.
A product's market status is worth checking before relying on this label. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2017-05-24. An off-market listing means production and distribution under this label have stopped, but the DSLD does not delete the entry, it stays on file for historical reference and formulation-history tracking.
About the DSLD database
The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for High Potency Quercetin 650 mg: ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.
Ingredient Breakdown by Category
Daily Value Coverage
Frequently Asked Questions
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Data Sources & Methodology
Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).
Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. The DSLD contains label information from dietary supplement products marketed in the United States.
Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market" may no longer be available for purchase but their label data remains in the database for reference.
Disclaimer, Not Medical Advice
Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary 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. This page draws directly on 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.