Enhanced quercetin absorption via phytosome technology
Supports immune function, respiratory health, and histamine balance
Non-drowsy seasonal allergy support with antioxidant protection
Quercetin Phytosome | Seasonal Allergy Relief | Antioxidant Protection | Non‑GMO | Made in USA | GMP Certified
Thorne Quercetin Phytosome delivers quercetin—a powerful plant flavonoid—bound to sunflower-derived phospholipids using patented phytosome technology for significantly enhanced absorption. This advanced formula supports immune balance, antioxidant defense, respiratory health, and seasonal allergy relief—ideal for those seeking natural, non-drowsy immune and allergy support.
Phytosome Technology for Superior Absorption
Quercetin is difficult to absorb on its own. Phytosome delivery enhances its bioavailability for better results.
Immune Balance & Histamine Regulation
Quercetin helps stabilize mast cells to reduce histamine release and promote a healthy inflammatory response.
Powerful Antioxidant Protection
Quercetin neutralizes free radicals and supports cellular health by reducing oxidative stress.
Respiratory Health Support
Helps maintain clear airways and supports a healthy response to allergens and environmental irritants.
Seasonal Allergy Relief
Naturally supports relief from sneezing, itchy eyes, and congestion—without drowsiness or harsh additives.
Q: How should I take Thorne Quercetin Phytosome?
A: Take 1 capsule two to three times per day with meals, or as directed by your healthcare provider.
Q: Is this product vegetarian?
A: Yes. It uses plant-based hypromellose capsules and contains no animal-derived ingredients.
Q: Are there any allergens in this product?
A: No. It’s free from gluten, soy, dairy, and artificial ingredients. Always check the label and consult your healthcare provider if you have sensitivities.
Manufactured in the USA in a GMP-certified, non-GMO facility, Thorne Quercetin Phytosome is tested at every step—raw material, in-process, finished product, and shelf stability—to ensure purity, potency, and label accuracy. Trusted by top practitioners and elite athletes worldwide, Thorne delivers science-backed wellness you can rely on.
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