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Quercetin

Nuzest ingredients - Quercetin

Quercetin is a plant-derived flavonoid found in many fruits and vegetables. It is a naturally occurring flavonol, part of the broader polyphenol family of plant compounds.

Found in: Capers, red onion, green leafy vegetables

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citations / / Last updated: August 07, 2025

Can Quercetin Help with Allergies?

Quercetin functions as a natural antihistamine by stabilising mast cells, thereby inhibiting the release of histamine and other pro-inflammatory mediators. This action helps mitigate allergy symptoms such as sneezing and nasal congestion.¹

Is Quercetin an Antioxidant?

By scavenging reactive oxygen species (ROS) and free radicals, quercetin effectively reduces oxidative damage to cellular components including lipids, proteins, and DNA. This protective effect supports the maintenance of cellular integrity and contributes to overall physiological health.²

Is Quercetin Anti-Ageing?

Quercetin’s antioxidant and anti-inflammatory actions can protect skin cells from damage and support collagen synthesis, which may contribute to reducing visible signs of ageing such as wrinkles.³

Quercetin and Heart Health

Improved endothelial function, regulation of blood pressure, and modulation of lipid profiles are among the cardiovascular benefits associated with quercetin. These effects support overall heart health by enhancing vascular function and contributing to the maintenance of healthy cholesterol levels.⁴

Can Quercetin Help with Detoxification?

Quercetin contributes to detoxification by enhancing liver enzymatic activity, improving blood circulation, and exerting anti-inflammatory effects that support the body’s natural elimination processes.⁵ ⁶

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