Quercetonenone
Non-Nutrient / Non-BotanicalBrand: Thorne Research
Net Contents
60 Vegetarian Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
6 93749 33002 8
Product Version
SB330 LSB33008
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 1 Capsule(s) · 3 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Quercetin | 250 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Use: Take 1 capsule three times daily or as recommended by your health-care practitioner.
Warnings & Precautions
Precautions re: All Other
Tamper Evident: Use only if bottle is sealed.
Precautions re: Pregnant or Nursing or Prescription Medications
If pregnant consult your health-care practitioner before using this product.
Storage
Storage
Store tightly sealed in a cool, dry place.
Formulation
Formula re: Type
HYPOALLERGENIC
FDA Statements
FDA Disclaimer Statement
DIETARY SUPPLEMENT
Other Label Statements
Seals/Symbols
(pulled apart capsule)(R)
General: Product/Version Code
SB330 LSB33008
Manufacturer & Distributor
Manufacturer
Thorne Research, Inc.
P.O. Box 25, Dover, Idaho, 83825, USA
1-800-228-1966
Market Reference
Quercetin Phytosome Thorne
Thorne4.7(1900)$46.00Thorne 60 Capsules
Target4.8(536)$54.00Quercetin Phytosome
ThorneVet$46.00Thorne Quercenase Quercetin Phytosome Supplement with Bromelain
Bloom Metabolic Insights$54.00OurKidsASD.com ResveraCel 60 Capsules Thorne
Target4.7(1500)$60.00Quercetin Complex
ThorneVet$54.00Thorne Radiant Skin Complex 60 Capsules
Walmart - Pattern4.5(2)$49.00Thorne Research Stress Balance Capsules
Thorne4.7(492)$23.00Lowest
Where to Buy Locally
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Showing representative supplement & health retailers — search above for stores in your area.
PrimeBody (Arroios)
4.9 (194)Vitamin & supplements store
R. Passos Manuel 83B, 1150-258 Lisboa
NutriLx Store
4.9 (135)Vitamin & supplements store
Loja 1 dentro da Estação Metro Campo Pequeno, Av. da República 63B, 1050-189 Lisboa
nutry4ALL
4.2 (27)Vitamin & supplements store
Av. Duque de Loulé 45 A, 1050-086 Lisboa
NutriX - Supplement Store
5.0 (23)Vitamin & supplements store
R. Eng. Adelino Amaro da Costa 118, 4400-134 Vila Nova de Gaia
Bpure
4.9 (33)Vitamin & supplements store
Prct Cristóvão Falcão, 93, R/C Dt, 4465-114 São Mamede de Infesta
Enetural
4.3 (47)Vitamin & supplements store
Rua dos, R. Bem Lembrados 141, Manique, 2645-471 Alcabideche
PrimeBody Nutrishop - Roma/Areeiro
4.7 (49)Vitamin & supplements store
Av. Óscar Monteiro Torres 68A, 1000-221 Lisboa
Nutrystore - Norteshopping
4.3 (22)Sports nutrition store
R. Sara Afonso, 4460-841 Porto
Research & Studies
… ‐Driven Approach to Prioritize Compound‐Targeted Conditions in the Nutraceutical Space: Case Study of QuercefitTM (Quercetin Phytosome) Toward Unbalanced …
L Lili, S Smith, L Kunces, R Antonella… - … & Food Research, 2025 - Wiley Online Library
… Funding: This study included authors funded by Indena SpA and Thorne … of quercetin on lipid regulation, we conducted a pilot, IRB-approved study collecting data from five healthy but …
2025Nutr Res Pract: Effects of daily quercetin-rich supplementation on cardiometabolic risks in male smokers
KH Lee, E Park, HJ Lee - Alternative Medicine Review, 2011 - go.gale.com
… human studies indicates that dietary quercetin supplementation … quercetin-rich supplementation, derived from onion peel extract, improves cardiometabolic risk components in …
2011Quercetin LipoMicel—a novel delivery system to enhance bioavailability of quercetin
J Solnier, C Chang, K Roh, M Du, YC Kuo… - … Product Research, 2021 - researchgate.net
… capsules (lot no.: 404996) were manufactured and purchased from Thorne Research Inc. (… Solubility Study Individual quercetin formulations used in this study were investigated in terms …
202118 citationsSenolytics dasatinib and quercetin in idiopathic pulmonary fibrosis: results of a phase I, single-blind, single-center, randomized, placebo-controlled pilot trial on …
A Nambiar, D Kellogg, J Justice, M Goros, J Gelfond… - …, 2023 - thelancet.com
… per day (quercetin phytosome Thorne Research Sophora japonica concentrate [leaf]… study was funded by National Institutes of Health, and supporting funders were not involved in study …
2023273 citationsBest Quercetin Supplements for MCAS and Histamine Intolerance (2026 Buyer's Guide) Your complete guide to the most researched mast cell stabilizer
P Nathaniel - mynourishly.com
… For those who already tolerate supplements well and want stronger absorption, Thorne … and does not constitute medical advice. Quercetin supplements interact with several medications …
In vitro and ex vivo anti-inflammatory activity of quercetin in healthy volunteers
AW Boots, LC Wilms, ELR Swennen, JCS Kleinjans… - Nutrition, 2008 - Elsevier
… study show anti-inflammatory effects of quercetin in vitro but not ex vivo or in vivo in healthy … The fact that no indication was found for an anti-inflammatory effect in healthy volunteers …
2008330 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-11-21. DSLD Label ID: 15996. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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