One of the exciting supplements showing benefits in human studies
is quercetin. Quercetin is a natural compound that is found in plants.
Quercetin is a pigment that belongs to unique plant compounds known
as flavonoids. Food examples include apples, onions, green tea, berries,
olive oil, red wine, citrus fruits, and green leafy vegetables.
As a supplement, quercetin is often recommended for allergies and
inflammatory factors. Research has demonstrated that quercetin
has antioxidant, anti-inflammatory, anti-tumor, and antiviral activity.