Incorporate as many of these foods as possible into your regular diet to help mitigate the pro-aging effects of steroids. Category 1: Polyphenol & Flavonoid Powerhouses (The Defenders) Berries: Blueberries, strawberries, raspberries, blackberries. (Ellagic acid is a key compound here). Stone Fruits: Peaches, plums, nectarines. Apples: Especially the peels (quercetin). Citrus Fruits: Oranges, grapefruits, lemons (Vitamin C + flavonoids like hesperidin). Cherries: Especially tart cherries,...