Quercetin Phytosome®

Non-Nutrient / Non-Botanical

Brand: Thorne

CapsuleNon-Nutrient/Non-BotanicalOff Market

Product label for Quercetin Phytosome — Click to view full label

Net Contents

60 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 LSB33504

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

Label includes a proprietary blend, so some individual amounts are not itemized.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Free From

Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Capsule(s) · 2–3 per day

Ingredient	Amount Per Serving
Quercetin Phytosome Complex(Phospholipid, Sophora japonica extract)	250 mg	—

Not Present

Other Ingredients

LeucineMicrocrystalline CelluloseHypromellose (derived from Cellulose) CapsuleSilicon Dioxide

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

All OtherStructure/Function

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

Store tightly sealed in a cool, dry place.

Formulation

Formulation re: Other

Respiratory support Foundational

Formulation re: Does NOT Contain

Gluten free

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Other Label Statements

General Statements: All Other Content

T Exclusive

Manufacturer & Distributor

Manufacturer

Thorne Research, Inc.

1-800-228-1966

Market Reference

$13.99 – $84.31· 28 listings

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$36.00
Curcumin Phytosome by Thorne, 60 Capsules
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$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.

Health Nut East Point
5.0 (97)
Vitamin & supplements store
3865 Washington Rd, East Point, GA 30344
Directions (404) 948-2158
QRD Specialty Supplements
5.0 (2)
Vitamin & supplements store
501 GA-138 #6, Riverdale, GA 30274
Directions (855) 773-4621
GNC
4.0 (32)
Vitamin & supplements store
7022 GA-85, Riverdale, GA 30274
Directions (770) 302-2600
4Life Transfer Factor
5.0 (2)
Vitamin & supplements store
1981 Hwy 138 SW, Riverdale, GA 30296
Directions (470) 257-3000
Wolf Nutrition
4.9 (160)
Store
373 GA-138 Ste E, Riverdale, GA 30274
Directions (470) 632-8199
All in One Vitamins
4.9 (32)
Vitamin & supplements store
742 Glynn St N # D, Fayetteville, GA 30214
Directions (678) 519-0634
Quantum Natural Health & Wellness
4.9 (13)
Vitamin & supplements store
501 GA-138, Riverdale, GA 30274
Directions (855) 764-4473
The Vitamin Shoppe
4.1 (185)
Vitamin & supplements store
1951 Mt Zion Rd, Morrow, GA 30260
Directions (678) 479-6636

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… - Molecular Nutrition & …, 2025 - Wiley Online Library
… Funding: This study included authors funded by Indena SpA and Thorne HealthTech, Inc. … profiles, confirming health benefits. This study highlights quercetin's known potential in …
2025
Quercetin LipoMicel—a novel delivery system to enhance bioavailability of quercetin
J Solnier, C Chang, K Roh, M Du, YC Kuo… - … of Natural Health …, 2021 - researchgate.net
… quercetin in a novel Quercetin LipoMicel delivery system in healthy adult volunteers by comparing it with free quercetin … ) were manufactured and purchased from Thorne Research Inc. (…
202118 citations
Phytosome technology: a novel breakthrough for the health challenges
P Kalaivani, R Kamaraj - Cureus, 2024 - cureus.com
… The study found that subjects under supplementation improved … the quercetin group and 96.5% in the placebo group. The subjects who received the Quercetin Phytosome® supplement …
202420 citations
Effects of intermittent senolytic therapy on bone metabolism in postmenopausal women: a phase 2 randomized controlled trial
JN Farr, EJ Atkinson, SJ Achenbach, TL Volkman… - Nature Medicine, 2024 - nature.com
… natural flavanols (for example, quercetin (Q) and fisetin) 9 … empiric basis by otherwise healthy aging individuals and have … consecutive days; Quercetin Phytosome, Thorne Research). D …
2024114 citations
US Sales of Herbal Supplements Increase by 9.7% in 2021.
T Smith, H Resetar, C Morton - HerbalGram, 2022 - search.ebscohost.com
… health focuses of quercetin supplements (… quercetin's potential effects on COVID-19. In a pilot study, Di Pierro et al found that quercetin supplementation (Quercetin Phytosome®; Thorne…
202248 citations
Best 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
… If you want stronger absorption and already tolerate supplements well, Thorne Phytosome … only and does not constitute medical advice. Quercetin supplements interact with several …

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-12-22. DSLD Label ID: 209555. 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.