Thorne Quercetin Phytosome – 60 Caps


Thorne’s Quercetin Phytosome is a high-bioavailability formula designed to support immune health, offer antioxidant protection, and aid in managing inflammation. Utilizing advanced phytosome technology, it enhances quercetin absorption, making it more effective.

Only 2 left in stock

SKU: TH-QUERC-60CAPS Category: Tag:

iscover the power of Thorne’s Quercetin Phytosome, a cutting-edge supplement designed to optimize your health and well-being. This innovative formula significantly enhances the bioavailability of quercetin, a potent flavonoid known for its antioxidant properties and support for immune health. Here’s why Thorne’s Quercetin Phytosome stands out:

  • Enhanced Bioavailability: Utilizes phytosome technology to increase quercetin’s absorption up to 20 times more than standard quercetin extract​​​​.
  • Immune and Allergy Support: Acts as a natural moderator for the body’s immune response, offering relief from seasonal allergies and supporting healthy respiratory function​​.
  • Antioxidant Protection: Quercetin fights against oxidative stress by neutralizing free radicals, contributing to cellular health and aging gracefully​​.
  • Healthy Aging: Promising research suggests quercetin may slow cellular aging and support weight-related metabolic factors through the upregulation of sirtuins​​.

Ideal for individuals looking to strengthen immunity, manage allergy symptoms, optimize respiratory health, and support a healthy aging process​

Disclaimer: These statements have not been evaluated by the TGA. This product is not intended to diagnose, treat, cure, or prevent any disease.

Weight 0.092 kg
Suggested Use

Take 1 capsule, as needed, just prior to consuming high histamine foods or drinks. Or, take away from food if wanting to support healthy histamine levels in the digestive tract. Use as directed by your healthcare professional. Do not take this supplement and knowingly eat foods you are allergic to – it will not prevent allergic reactions.


Children and pregnant or lactating women should consult their healthcare practitioner prior to use. This product contains an ingredient derived from porcine (pig). Avoid if allergic to pork or any other ingredient. Histamine Block is NOT EFFECTIVE for symptoms of immune-related food allergies, such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease. DAO is not absorbed and does not have systemic activity. Histamine Block does not manage or address antibody-related or IgE-related food allergies.



For over 30 years, Thorne Research has been dedicated to enhancing the health and well-being of people worldwide by providing innovative, high-quality, research-based nutritional supplements. A truly integrated approach to health. Being able to rely on the safety and efficacy of Thorne’s nutritional supplement products is the motivating force behind their clinical trials program. Have confidence in each product they formulate, as it comes from extensive clinical research and medical literature that substantiate the presence of each ingredient in each formula. The ultimate goal of Thorne’s research partnerships is to help us fulfil their mission of solving the biggest challenges in health and wellness. Thorne Is Committed To Purity None of Thorne Research’s nutritional supplements contain potentially allergenic fillers, binders, or lubricants. The purity of products directly equates to better absorption and enhanced bioavailability. Practitioners rely on Thorne as the company they trust for their extremely allergic, chemically sensitive, and immune-compromised patients. Manufacturing The Right Way An unparalleled commitment to quality throughout the entire manufacturing process Using the best equipment available, Thorne's quality team methodically tests raw ingredients which are then meticulously crafted into supplements. Utmost consideration is given for every single detail, from mixing the raw materials to encapsulating and bottling the finished product. Sourcing Exceptional Ingredients Developing better standards for higher quality ingredients. Thorne cares deeply about where their ingredients come from, partnering only with suppliers whose practices emphasise quality, science, and responsibility. Better ingredients means better potency, absorption, and digestibility – and ultimately better health. Four Rounds Of Testing Raw materials and components Every raw material and component. is screened for contaminants.In-process testing Ensuring the correct amount of ingredients are used in formulations, and stringent checks are done on any bottle, label, or capsule defects throughout the manufacturing process.Finished product testing Finished products are tested to confirm the identity, potency, and purity of the ingredients, and to confirm that no microbiological contamination occurred during manufacturing.Stability testing Thorne's product stability to confirm each product will meet its label claims up to the product’s expiration date.
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Thorne Quercetin Phytosome – 60 Caps

Only 2 left in stock