Health Facts: Foods With the Highest Levels of Flavonoids

Flavonoids are a group of plant compounds with powerful antioxidant properties, and they are found in various fruits, vegetables, and other foods. Here’s a list of seven foods with the highest flavonoid content, ordered from highest to lowest:

1. Tea (especially black and green tea) – Both types are rich in flavonoids, particularly catechins and flavonols.
2. Berries (such as blueberries, blackberries, and strawberries) – Berries are loaded with anthocyanins, a type of flavonoid with potent antioxidant properties.
3. Citrus fruits (such as oranges, lemons, and grapefruits) – These are excellent sources of flavonoids like hesperidin and quercetin.
4. Apples (especially with the skin) – Apples contain flavonoids such as quercetin, primarily found in the skin.
5. Onions (especially red onions) – Red onions are rich in quercetin, a powerful flavonoid.
6. Kale and other dark leafy greens – Kale and other greens like spinach contain flavonols such as kaempferol.
7. Dark chocolate (high cocoa content) – Dark chocolate contains flavonoids, especially flavanols, which contribute to its antioxidant properties.

These foods are all excellent sources of flavonoids and provide a variety of health benefits related to heart health, brain function, and inflammation reduction.