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Pure Quercetin Capsules 500mg
thumb_Pure Quercetin Capsules 500mg
thumb_Pure Quercetin Capsules 500mg
thumb_Pure Quercetin Capsules 500mg

Pure Quercetin Capsules 500mg


Average Customer Review

120 Capsules
240 Capsules
save 13%
360 Capsules
save 17%
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Product in stock: 5-10 working days delivery
Slow Down Aging
Slow Down Aging
Capsule Size
Serving Size
1-2 Capsules Daily
Quercetin Dihydrate
Shelf Life
2 Years
Third Party Test Report

What are Quercetin Supplements?

Quercetin is a flavonoid found in fruits, vegetables, and grains, particularly in onions, apples, and berries. Known for its antioxidant properties, it offers anti-inflammatory and immune-boosting benefits. It may help reduce the risk of diseases like heart disease and cancer and is often used in supplements to alleviate allergy symptoms.

The Science Behind Quercetin Supplements

Quercetin works primarily through its potent antioxidant and anti-inflammatory mechanisms. As an antioxidant, it neutralizes damaging free radicals by donating electrons, which prevents cellular damage and reduces oxidative stress. In terms of anti-inflammatory action, quercetin supplements inhibit key enzymes involved in the inflammatory process, such as cyclooxygenase and lipoxygenase, and blocks inflammatory pathways by suppressing the activity of nuclear factor kappa B (NF-kB), a critical regulator of inflammatory responses. Additionally, quercetin modulates several cell signaling pathways, affecting processes like cell growth and apoptosis, which can contribute to its potential anticancer effects. These mechanisms collectively help in maintaining cellular health and preventing various diseases.

Quercetin Benefits

  • Anti-Inflammatory

    Quercetin reduces inflammation by inhibiting enzymes involved in inflammatory processes and suppressing inflammatory cytokines. This makes it beneficial for conditions like arthritis and other inflammatory diseases.

  • Antioxidant Properties

    As a powerful antioxidant, quercetin scavenges free radicals, protecting cells from oxidative damage that can lead to chronic diseases including cardiovascular disease and cancer.

  • Heart Health

    Quercetin can improve heart health by reducing blood pressure and arterial stiffness. It also enhances endothelial function, which is vital for maintaining vascular health.

  • Allergy Relief

    Quercetin is known to stabilize mast cells, reducing the release of histamine and other allergic and inflammatory substances. This makes it effective in alleviating symptoms of allergies, asthma, and sinusitis.

  • Cancer Prevention

    Studies suggest that quercetin may help slow cancer cell growth and induce apoptosis (cell death) in various types of cancer cells, potentially offering protective effects against different cancers.

  • Brain Health

    Quercetin has neuroprotective effects, which may help protect against neurodegenerative diseases, such as Alzheimer's and Parkinson's disease. It may also enhance cognitive functions due to its anti-inflammatory and antioxidant actions within brain tissues.

How Resveratrol Works


Antioxidant Action

Quercetin enters the body and acts as a powerful antioxidant. It interacts directly with free radicals by donating electrons, which neutralizes these reactive oxygen species (ROS). This prevents them from causing cellular damage such as DNA breaks, lipid peroxidation, and protein degradation. This reduction in oxidative stress is crucial for maintaining cellular health and longevity.


Anti-inflammatory Modulation

Once inside the body, quercetin impacts several aspects of the inflammatory pathway. It inhibits enzymes like cyclooxygenase and lipoxygenase that are responsible for producing inflammatory mediators (e.g., prostaglandins and leukotrienes). Additionally, quercetin suppresses the activation of nuclear factor kappa-light-chain-enhancer of activated B cells, a key transcription factor that regulates the expression of inflammatory cytokines and other pro-inflammatory genes. This overall reduction in inflammation is beneficial in managing chronic inflammatory diseases.


Cell Signaling and Regulation

Quercetin influences various signaling pathways that control critical cellular functions such as growth, apoptosis, and survival. By modulating these pathways, quercetin can induce protective effects, including promoting the death of unhealthy or malignant cells and supporting normal cell cycles. It also modulates receptors and enzymes involved in metabolic and hormonal pathways, further contributing to its diverse effects, ranging from anti-cancer properties to metabolic benefits.

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    I was recommended by a friend, he had very good things to say, can't wait to try it myself.


    no name

    It was hard to find some high purity Quercetin Supplements in Australia.