| Secondary metabolites | Common dietary sources | References |
| Polyphenols | Fruit, vegetables, coffee, tea, and cereals | [5, 6] |
| Anthocyanins | Strawberries, black rice, berries, cherry etc. | [7, 8] |
| Flavones | Blueberries, blood orange juice | [9] |
| Flavonols | Cherries, chokeberry, elderberries, Goji berry (wolfberry) | [9] |
| Resveratrol | Purple wine, peanuts | [10, 11] |
| Theaflavins | Black tea | [8, 12] |
| Carotenoids | Carrots, tomatoes, pumpkins, peppers, among others | [6, 13] |
| Lycopene | Tomatoes, watermelon, red peppers, papaya, apricot, pink grapefruit | [14, 15] |
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