Barberries, known as zereshk in Persian, are tart, edible berries from the Berberis shrub, prized in Middle Eastern cuisine, especially in the dish zereshk polo (Persian barberry rice). Rich in antioxidants, vitamin C, and berberine, zereshk supports blood sugar balance and immunity, and can be prepared by soaking and lightly sautéing them with butter and saffron Health Benefits Rich in Antioxidants: Barberries are packed with antioxidants, which help protect the body's cells from damage. Berberine Content: The berries contain berberine, a compound that can help regulate blood sugar levels and may support immune function. Vitamin C: They are a good source of Vitamin C, contributing to overall wellness.