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How is quercetin different from other flavonoids?

Flavonoids are a group of natural compounds found in many plants. They are known for their antioxidant properties and health benefits. Quercetin is one of the best-known flavonoids and is commonly used in dietary supplements and herbal medicines. But what makes quercetin so special compared to other flavonoids?

Quercetin is an important representative of the flavonols and has a particularly high antioxidant and anti-inflammatory effect. It is derived from various plants such as onions, apples, berries and tea. Compared to other flavonoids , quercetin has some special properties:

  1. Antioxidant effect: Quercetin has a particularly strong antioxidant effect. It protects cells from free radical damage and helps prevent inflammation. Quercetin is also known to enhance the effects of vitamin C, resulting in even more powerful antioxidant effects.
  2. Anti-Inflammatory Effects: Quercetin has powerful anti-inflammatory properties and may help reduce inflammation in the body. It can also reduce pain and swelling.
  3. Boosting the Immune System: Quercetin may boost the immune system and help fight off infection. It can also help reduce allergies and asthma by inhibiting the release of histamine in the body.
  4. Cancer Prevention: There is evidence that quercetin may help inhibit cancer cells in the body and reduce the risk of certain types of cancer. In particular, it has been shown to be effective in preventing colon, breast, lung and prostate cancer.
  5. Cardiovascular Health: Quercetin may help reduce the risk of heart disease by lowering blood pressure and cholesterol levels and improving blood vessel function.


Quercetin is a unique flavonoid with numerous health benefits. It is particularly well known for its antioxidant and anti-inflammatory effects, which can help reduce the risk of various diseases. If you're looking for a way to improve your health, taking quercetin can be a great option. However, it's important to make sure you're taking a quality quercetin supplement to get the most benefit for your health.

Official Health Claims:

  • " Quercetin helps protect cells from oxidative stress" (European Food Safety Authority, EFSA)
  • " Quercetin contributes to the normal function of the immune system" (EFSA)
  • " Quercetin contributes to the normal function of blood vessels" (EFSA)"
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