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Quercetin
  • Quercetin
  • Quercetin
  • Quercetin
  • Quercetin
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Quercetin

Pure Quercetin Capsules 500mg

Pack Size
In stock
One-time purchase at full price. No subscription required.
Quercetin
120 Capsules

Free delivery on all orders over £20

90 Day Money Back Guarantee

Tracked and Insured

Slow Down Aging
Slow Down Aging
Anti-Inflammatory
Anti-Inflammatory
Capsule Size
500mg
Daily Dose
1-2 Capsules
Shelf Life
2 Years
Ingredients per capsule
Quercetin Dihydrate
NO Artificial Ingredients, Wheat, Gluten, Yeast, Soy, Corn, Dairy or Preservatives.
Third Party Test Report
  • Highest Purity
  • 3rd Party Tested
  • 90 Day Guarantee

Highest Quality Supplements

  • No Artificial Colour
  • No Artificial Flavour
  • No Artificial Sweetener
  • No Gluten
  • No Soy
  • Non-GMO
  • No Dairy

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.

  • Antioxidant Properties

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

  • 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 stabilise mast cells, reducing the release of histamine and other allergic and inflammatory substances.

  • 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.

  • Improves Gut Health

    Quercetin has neuroprotective effects, which may help protect against neurodegenerative diseases, such as Alzheimer's and Parkinson's disease.

How Quercetin Works

1

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.

2

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.

3

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.

Questions, anyone?

Need help with something? Here are our most frequently asked questions.

  • What is Quercetin and how does it work?

    Quercetin is a naturally occurring flavonoid found in many fruits, vegetables, and grains. It is widely researched for its role in supporting cellular health and healthy aging. Quercetin acts as a scavenger of free radicals, helping to combat oxidative stress. Additionally, it is studied for its potential to support the body’s natural process of clearing senescent cells, thereby promoting long-term vitality and immune function.




  • What are the benefits of taking Quercetin supplements?

    Quercetin is popularly used to:

    • Support a healthy immune system and respiratory function.
    • Protect cells from oxidative stress (especially when paired with Vitamin C).
    • Promote cardiovascular health and healthy blood circulation.
    • Support joint health and comfort.
    • Support healthy aging and cellular renewal.
    • Aid the body during seasonal challenges (e.g., high pollen counts).

  • How long does it take to see the effects of Quercetin?

    The time it takes to notice benefits varies from person to person. Some users report feeling supported during seasonal changes within a few weeks, while benefits related to long-term cellular health and healthy aging may require consistent use over several months. Consistent daily supplementation is key to maintaining these levels.

  • Are Quercetin supplements tested for purity and quality?

    Yes, at Longevity Plus, all our supplements undergo rigorous testing in certified labs to ensure they meet the highest standards of purity and quality. Our Quercetin is tested to ensure high purity, making it one of the premium options available. This ensures you receive a high-quality product without unnecessary additives.

  • Are there any side effects of taking Quercetin?

    Quercetin is generally well-tolerated when taken at recommended dosages. As with many supplements, some users may experience mild digestive comfort. It is important to follow the recommended dosage on the label. If you have any concerns, please consult your healthcare provider.

  • Can I take Quercetin with other supplements or medications?

    Quercetin is often paired with Bromelain or Vitamin C to help support absorption and enhance antioxidant potential. It also complements healthy aging supplements like NMN and Resveratrol. However, if you are taking prescription medications—particularly blood thinners or antibiotics—it is essential to consult with your doctor before use to ensure there are no potential interactions.

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