Zereshk, also known as barberry, is a small, tart red fruit that grows on thorny bushes. It is commonly found in regions like Iran and Afghanistan, where it thrives in dry climates. The berries are often used in cooking, particularly in Persian cuisine, where they add a unique flavor to rice dishes and stews. In addition to its culinary uses, zereshk is valued for its health benefits. It is rich in vitamins and antioxidants, which can help boost the immune system and improve overall health. The dried berries are often used in herbal remedies and traditional medicine.