Background
Quercetin is a bioactive compound that exerts antioxidant and anti-inflammatory properties. Research indicates that quercetin may alleviate chronic health conditions such as hypertension, neurodegenerative disease, arthritis, and lung and kidney diseases and may be beneficial in combating aging-related diseases. Although much of the quercetin research has been performed in animals, some clinical trials have been conducted, and others are ongoing.
A naturally occurring member of the flavonoid class of plant polyphenol compounds, quercetin is found in a wide variety of fruits and vegetables, especially red and yellow onions, capers, apples, blueberries, and peppers. Quercetin is the most abundant flavonoid in the human diet, but the quantity of quercetin in fruits and vegetables varies according to growing practices. Also known as 3,3',4',5,7-pentahydroxyflavone, quercetin is widely available as a...
