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Item #:
221768393
THORNE - Quercetin Phytosome - Antioxidant Supplement for Immune Health, Respiratory Support & Seasonal Allergy Relief* - Third-Party Certified -
Item #:
221768393
USD 62
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 5 items left in stock.
Order now and get it around Friday, August 21
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Provides year-round support for a healthy immune function and support during seasonal changes, by helping to regulate histamine release.
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What Stands Out
Antioxidant Formula
Packed with quercetin phytosome, this supplement effectively combats oxidative stress, enhancing immune health and promoting overall wellness.
Respiratory Support
Specifically designed to provide respiratory assistance, this formula helps alleviate seasonal allergy symptoms, enabling easier breathing during allergy seasons.
Allergen-Free
Thorne’s commitment to quality ensures this supplement is free from gluten, dairy, and soy, making it suitable for various dietary needs and sensitive individuals.
Product Details
- 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 Dimensions | 2.09 x 2.09 x 3.72 inches (5.3 x 5.3 x 9.4 cm); 2.08 ounces (58.97 grams) |
| Item model number | SB335 |
| Date First Available | June 5, 2014 |
| Manufacturer | Thorne Research |
| 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 |
| Model Number | SB335 |
| Manufacturer Part Number | SB335 |
| Unit Count | 60 Count |
| Item Dimensions | 2.09 x 2.09 x 3.72 inches (5.3 x 5.3 x 9.4 cm) |
| Number of Items | 1 |
| Flavor | Unflavored |
| Specific Uses For Product | Immune & Allergy Support |
| Allergen Information | Dairy Free, Egg Free, Fish Free, Peanut Free, Shellfish Free, Soy Free, Tree Nut Free |
| Package Weight | 1 Pound |
Who Should Buy?
-
Allergy Sufferers
Ideal for individuals experiencing seasonal allergies seeking natural relief and immune system support.
-
Health-Conscious Consumers
Perfect for those looking for a gluten, dairy, and soy-free supplement free from common allergens.
-
Respiratory Support
Beneficial for individuals who want additional support for their respiratory health, especially during allergy seasons.
-
Pregnant Women
Not suitable for pregnant or nursing women without consulting a healthcare provider due to potential risks.
Product Description
Dietary Supplement Disclaimer
Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this product safe for everyone?
Answer: This product is third-party certified to ensure safety and contains no unsafe levels of contaminants. -
Question:
How does this product support my immune function?
Answer: It helps regulate histamine release and maintains a normal inflammatory response, keeping your immune system healthy. -
Question:
What makes the flavonoid in this product special?
Answer: It is 20-times more bioavailable than regular quercetin, ensuring better absorption and effectiveness in your body.
Nutritionist's Take
Thorne's Quercetin Phytosome is praised among nutritionists for its high-quality ingredients and potential health benefits. Quercetin, a flavonoid with antioxidant properties, is known for its ability to support immune health, respiratory function, and alleviate seasonal allergies. The use of phytosome technology aids in enhancing the absorption of quercetin, making this supplement more effective. Additionally, the product's third-party certification ensures its quality and safety. However, while quercetin is beneficial, it's important to note that responses can vary between individuals, and it should not replace a balanced diet or medical consultation. The gluten, dairy, and soy-free formulation makes it suitable for those with certain dietary restrictions. Overall, Thorne's Quercetin Phytosome appears to be a healthy choice, particularly for individuals seeking natural support for immunity and allergies.
THORNE Polyphenol SB335 Editorial Review
In reviewing the customer experiences with this quercetin supplement licensed by Indena S.p.A, it is evident that the product has garnered a favorable reception among users, particularly for its effectiveness in addressing inflammation and allergy-related symptoms. Many customers appreciate the scientifically-backed phytosome technology that enhances the absorption of quercetin, setting it apart from other brands. Several users have reported significant relief from inflammation and pain, illustrating the supplement's efficacy in managing conditions such as prolonged coughs and musical sounds caused by eustachian tube blockage. One user noted impressive results within 48 hours, with a dramatic reduction in rib pain, while another praised the product for alleviating chronic ear noises linked to inflammation. These improvements suggest a strong anti-inflammatory effect of the supplement. Additionally, it seems to play a key role in combating seasonal allergies for individuals who prefer to limit their intake of pharmaceutical medications. Users have expressed appreciation for the effectiveness in reducing allergy symptoms, thereby enhancing their overall well-being during high pollen seasons. While the feedback is predominantly positive, one user mentioned financial Constraints hindering ongoing use, indicating that while the product is effective, it may not be accessible to everyone. Overall, this quercetin supplement stands out for its targeted health benefits, high-quality formulation, and user satisfaction, making it a recommended choice for those seeking relief from inflammation and allergy symptoms. **
Customer Reviews & Ratings
2372 customers ratings
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5 Star
86%
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4 Star
8%
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3 Star
3%
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2 Star
1%
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1 Star
2%
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Pros
- Licensed phytosome technology for improved absorption.
- Effective in reducing inflammation and pain.
- Alleviates allergy symptoms, reducing reliance on medications.
- Positive user experiences within short time frames.
- Endorsed as one of the cleanest supplements on the market.
Cons
- Cost may be a barrier for some users.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
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USD 62
Order now and get it around Friday, August 21
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 5 items left in stock.
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Features & Benefits
- Supports a healthy immune function year-round.
- Regulates histamine release for optimal respiratory health.
- Contains 20-times more bioavailable flavonoid from Sophora japonica flowers.
- Offers antioxidant support to combat oxidative stress.
- Third-party certified for quality and safety assurance.
- Recommended by over 100 professional sports teams and healthcare practitioners.
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