Quercetin

Looking to buy quercetin in liquid or capsule form? Quercetin is a naturally occurring flavonoid found in many plants and fruits. Thanks to its versatility, it is available in various forms, including capsules and liquid extracts. At Morgen is Nu, you can choose the best quality, without unnecessary additives.

By Stefan, last updated: 07-08-2025

What is quercetin?

Quercetin is a bioactive plant compound belonging to the flavonoid group. It is found in foods such as onions, capers, apples and green tea. In nature, it often contributes to the yellow colour of plants. Quercetin is widely available as a supplement.

What quercetin supplements contain

A good quercetin supplement contains a standardised flavonoid extract, usually derived from the Japanese pagoda tree (Sophora japonica). It is important to consider the supplement's purity and natural origin.