Chocolate contains polyphenols, especially flavan-3-ols (catechins) and flavonoids which are under study for their potential effects in the body.

Gnaphalium species are known to contain flavonoids and diterpenes.

The herbal drug should contain not less than 1.5% total flavonoids expressed as vitexin.

Citrus juices contain flavonoids (especially in the pulp), that may have health benefits.

Red wine, my personal favorite, contains reservatol and flavonoids that offer additional antioxidant benefits.

The inclusion of red wine is considered a factor contributing to health as it contains flavonoids with powerful antioxidant properties.

Just be sure to eat the skin it contains hearty-healthy flavonoids.

Chocolate contains flavonoids, antioxidants that have been associated with decreased risk of heart disease and stroke.

In the same study, it was shown that the roots contain flavonoids, anthracenic derivatives, and tannins.

Other foods in this group contain antioxidant flavonoids like quercetin and kaempferol.