THORNE - Quercetin Phytosome - Antioxidant Supplement for Immune Health Respiratory Support &amp Seasonal Allergy Relief* - Third-Party Certified - Gluten Dairy &amp Soy-Free - 60 Capsules

Brand : THORNE

Flavor : Unflavored

Primary Supplement Type : antioxidant supplement

Unit Count : 60 Count

Item Form : Capsule

Item Weight : 2.08 ounces

Item dimensions L x W x H : 2.09 x 2.09 x 3.72 inches

Diet Type : Gluten Free

Product Benefits : Immune Support

Age Range (Description) : Adult

About this item

? Immune Function: Provides year-round immune support by promoting various types of immune cells that are necessary for an optimized immune response*

? Respiratory Support: Supports a healthy inflammatory response in the respiratory tract*

? Healthy Aging: Mitigates oxidative stress and supports cellular health*

? Seasonal Allergies: Benefits allergy sufferers by helping to regulate histamine release*

? Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)

Product specifications

Item details

Brand Name : THORNE

Primary Supplement Type : antioxidant supplement

Item Form : Capsule

Diet Type : Gluten Free

Product Benefits : Immune Support

Age Range Description : Adult

Container Type : Bottle

Dosage Form : Capsule

Model Name : SB335

UPC : 693749004356

Manufacturer : Thorne Research

Manufacturer Part Number : SB335

Model Number : SB335

Best Sellers Rank : #7,812 in Health & Household (See Top 100 in Health & Household) #26 in Polyphenol Antioxidant Supplements

ASIN : B0797DQTVZ

? #7,812 in Health & Household (See Top 100 in Health & Household)

? #26 in Polyphenol Antioxidant Supplements

Measurements

Unit Count : 60 Count

Item Weight : 2.08 ounces

Item Dimensions : 2.09 x 2.09 x 3.72 inches

Number of Items : 1

Features & Specs

Flavor : Unflavored

User guide

Specific Uses For Product : Immune & Allergy Support

Allergen Information : Dairy Free, Egg Free, Fish Free, Peanut Free, Shellfish Free, Soy Free, Tree Nut Free

Product description

It may take up to 48 hours for our service

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What makes Thorne supplements high quality?

How does Thorne test its supplements for quality?

Are Thorne supplements clinically tested and safe?

Why are Thorne products more expensive than other supplements?

Where are Thorne supplements made and where are the ingredients sourced from?

What makes Thorne supplements high quality?

Thorne produces high-quality supplements through rigorous testing, well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption.

How does Thorne test its supplements for quality?

To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. 100+ Thorne employees are dedicated to ensuring quality.

Are Thorne supplements clinically tested and safe?

Thorne partners with researchers and conducts clinical trials to support the efficacy of our products. Our team of doctors and medical experts substantiate each ingredient in every formula based on extensive clinical research and medical literature.

Why are Thorne products more expensive than other supplements?

When it comes to the health of our customers, we never settle. Thorne products may be priced higher than some others because of our commitment to quality at every step. We don’t simply meet the standard in dietary supplements ? we set the standard.

Where are Thorne supplements made and where are the ingredients sourced from?

Located in South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness.