Quercetin Phytosomenone

Non-Nutrient / Non-Botanical

Brand: Thorne Research

CapsuleNon-Nutrient/Non-BotanicalOff Market
Click to view full label

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 00435 6

Product Version

SB335 LSB33502

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

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) · 2–3 per day

IngredientAmount Per Serving
Quercetin Phytosome250 mg

Not Present

Other Ingredients

Hypromellose (derived from cellulose) capsuleMicrocrystalline CelluloseLeucineSilicon Dioxide

Target Groups

Adult (18 - 50 Years)

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: Take 1 capsule two to three times daily with meals 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.

FDA Statements

FDA Statement of Identity

DIETARY SUPPLEMENT

Other Label Statements

Seals/Symbols

{pulled apart capsule}(R)

General: Product/Version Code

SB335 LSB33502

Manufacturer & Distributor

Manufacturer

Thorne Research, Inc.

P.O. Box 25, Dover, Idaho, 83825, USA

1-800-228-1966

Market Reference

$13.99 – $68.00· 24 listings
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    $46.00
  • Thorne 60 Capsules

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    $54.00
  • Quercetin Phytosome

    ThorneVet
    $46.00
  • Thorne Quercenase Quercetin Phytosome Supplement with Bromelain

    Gulf Shores Family Pharmacy
    $54.00
  • Thorne Curcumin Phytosome

    Thorne4.8(2000)
    $68.00
  • Curcumin Phytosome by Thorne, 30 Capsules

    Thorne4.8(66)
    $36.00
  • OurKidsASD.com ResveraCel 60 Capsules Thorne

    Target4.7(1500)
    $60.00
  • Curcumin Phytosome by Thorne, 60 Capsules

    Thorne4.8(2100)
    $64.00

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

  • ALL4PUMP

    Sports nutrition store

    Fliederstraße 23, 92353 Postbauer-Heng

  • Natura - EM

    5.0 (2)

    Vitamin & supplements store

    Oberpfalzstraße 5, 92353 Postbauer-Heng

  • BioTechUSA Franken-Center

    4.6 (29)

    Vitamin & supplements store

    Glogauer Str. 30-38, 90473 Nürnberg

  • SD Sportnahrung

    5.0 (170)

    Vitamin & supplements store

    Elsässer Str. 24, 90461 Nürnberg

  • Body Attack Premium Store Nürnberg

    4.6 (164)

    Vitamin & supplements store

    Vordere Sterngasse 16, 90402 Nürnberg

  • Vianutri GmbH

    5.0 (20)

    Vitamin & supplements store

    Gildestraße 9, 91154 Roth

  • omega3zone GmbH

    5.0 (22)

    Vitamin & supplements store

    Josephspl. 8, 90403 Nürnberg

  • Nutri-Reichhard-Neumarkt

    Vitamin & supplements store

    Zimmererstraße 55, 92318 Neumarkt in der Oberpfalz

Research & Studies

  • … Approach to Prioritize Compound‐Targeted Conditions in the Nutraceutical Space: Case Study of QuercefitTM (Quercetin Phytosome) Toward Unbalanced Lipid …

    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 …

    2025
  • Quercetin 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 citations
  • Phytosome technology: a novel breakthrough for the health challenges

    P Kalaivani, R Kamaraj - Cureus, 2024 - cureus.com

    … herbosomes include Indena, Thorne Research, Jamieson Natural … quercetin group and 96.5% in the placebo group. The subjects who received the Quercetin Phytosome® supplement …

    202420 citations
  • US Sales of Herbal Supplements Increase by 9.7% in 2021.

    T Smith, H Resetar, C Morton - HerbalGram, 2022 - search.ebscohost.com

    … The top three health focuses of quercetin supplements (in terms of total sales) remain unchanged from 2020: allergy/respiratory, cardiovascular, and prostate - each of which …

    202248 citations
  • Two-month period of 500 mg lecithin-based delivery form of quercetin daily dietary supplementation counterbalances chronic fatigue symptoms: A double …

    M Rondanelli, A Riva, G Petrangolini, C Gasparri… - Biomedicine & …, 2023 - Elsevier

    … Given this background, the aim of this study was to evaluate if a 2-month period of daily Quercetin Phytosome™ 500 mg supplementation is of benefit for the relief of CF. …

    202312 citations
  • Improved oral absorption of quercetin from quercetin phytosome®, a new delivery system based on food grade lecithin

    A Riva, M Ronchi, G Petrangolini, S Bosisio… - European journal of …, 2019 - Springer

    … have been discovered in recent years by different groups, so interest in giving benefit to human health by administering quercetin as a food supplement or dietary component has …

    2019363 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-07-25. DSLD Label ID: 35440. 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.