Nigella sativa, commonly known as black seed or black cumin, is a flowering plant native to South and Southwest Asia. Its seeds have been used for centuries in traditional medicine and cooking. The seeds are small, black, and have a slightly bitter taste, often used as a spice in various cuisines. The oil extracted from Nigella sativa seeds is rich in antioxidants and has been studied for its potential health benefits, including anti-inflammatory and antimicrobial properties. It is often used in herbal remedies and dietary supplements, making it popular in holistic health practices.