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.

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Quercetin Complex, 60 Capsules

Product ID: 86909378

Details

Age range (description)
Adult
Brand
THORNE
Diet type
Gluten Free
Flavour
Unflavoured
Item dimensions L x W x H
5.3 x 5.3 x
Item form
Capsule

🌻Phospholipid complex from sunflower

🍍Bromelain enzyme from pineapple

🧪Third-party purity tested

R2418

Duties & taxes included

In stock

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Description

🌟 Elevate your wellness game with Thorne’s premium Quercetin Complex!

TRUSTED PURITY - Every batch third-party tested for contaminants and label accuracy
MAXIMIZED ABSORPTION - Phytosome delivery boosts quercetin uptake beyond standard formulas
CLEAN ALLERGEN FREE - Gluten, soy, dairy, shellfish, and fish free for sensitive lifestyles
DUAL ACTION POWERHOUSE - Quercetin phytosome + bromelain for superior immune & allergy support
SCIENCE BACKED QUALITY - GMP-certified, evidence-based formulation crafted in the USA

Thorne Quercetin Complex combines quercetin phytosome and bromelain for enhanced absorption and immune support. This allergen-free, GMP-certified supplement undergoes rigorous third-party testing to ensure purity and potency, making it a trusted choice for adults seeking clean, science-backed nutritional support.

Specifications

ASIN	B000FGWBPQ
ASIN	B000FGWBPQ
Age Range Description	Adult
Allergen Information	Contains: Dairy Free, Egg Free, Fish Free, Gluten Free, Peanut Free, Shellfish Free, Soy Free, Tree Nut Free
Benefits	Nutritional support
Best Sellers Rank	71,143 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 57 in Quercetin Antioxidant Supplements
Brand Name	THORNE
Colour	Red
Country Of Origin	USA
Country of origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (364)
Customer reviews	4.6 4.6 out of 5 stars (364)
Diet Type	Gluten Free
Dosage Form	Capsule
Flavour	Unflavoured
Global Trade Identification Number	00693749332022
Guaranteed software updates until	unknown
Is discontinued by manufacturer	No
Item Dimensions	5.3 x 5.3 x 9.4 centimetres
Item Form	Capsule
Item Highlight	Quercetin Phytosome & Bromelain, Enhanced Absorption, Allergen-Free
Item Weight	250 Milligrams
Item model number	SB332
Manufacturer	Thorne Research
Manufacturer	Thorne Research
Manufacturer Part Number	SB332
Material Features	Gluten free
Material Type Free	en_AE
Model Name	Thorne Quercetin Complex (Formerly Quercenase) - Nutritional Support for Seasonal Allergies - 60 Capsules - 60 Servings
Model Number	SB332
Number of Items	1
Primary Supplement Type	Quercetin
Product Dimensions	5.31 x 5.31 x 9.45 cm; 0.25 g
Specific Uses For Product	sophora
UPC	693749332022
Unit Count	60.00 count

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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The delivery time was excellent, and the packaging was secure.

2 months ago

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R2418

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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