All About Quercetin

Quercetin is classified as a bioflavonoid. The name is thought to be linked to the Alchemist Joseph Quercetanuis Duchesne. It was discovered in 1857 and exists as a yellow crystalline powder. Its chemical name is 3,3,4,5,7 – pentapentahydroxyflavone. Also the name may come from the tree bark glycoside Quercus Tinctoria (American oak), in which Quercetin is present.

There are natural food sources of Quercetin, these are apples, green tea, celery, red wine, blueberries, raspberries, coriander, kale and many more.

There are various health benefits of quercetin :

  • There is evidence to show Quercetin is effective for high cholesterol, immune system health, asthma, eye disorders, cognition and many more ailments.
  • There is no strict recommendation for daily intake of Quercetin, however eating a wide range of fruits, vegetables and herbs should provide you with enough to boost your health.
  • Quercetin is packed full of antioxidants. A daily dose of it can reduce oxidative stress and free radical count in the body. Keeping you free from disease and healthy.
  • Quercetin acts like an anti-histamine so is very effective against allergies.
  • Quercetin in anti-inflammatory. This links to its antioxidant properties, which can damage cell membranes and cause mutations. Seeing as inflammation is the root cause of many diseases its clear to see why we may want to fight it.

From numerous studies the daily requirement has been calculated to be 1g per day. However, our daily average intake has been calculated to be between 15.5mg and 16.2mg per day.

Reference :

4 Comments Add yours

    1. GS says:

      Thank you!!! šŸ˜€

      Liked by 1 person

  1. gpavants says:


    Another good anti-inflammatory. Distance Learning has added to the neck and shoulder stiffness so good info Thanks,


    Liked by 1 person

    1. GS says:

      Most welcome Gary. Yes the causes of musculoskeletal pain and rising.


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