Kalonji seeds, also known as nigella seeds or black cumin (scientifically Nigella sativa), are small, black, angular seeds that are commonly used in cooking and traditional medicine. They have a slightly bitter, peppery, and nutty flavor. Kalonji seeds are often used as a spice in Indian, Middle Eastern, and Mediterranean cuisines, where they are typically sprinkled over bread, added to curries, or used in pickles. In addition to their culinary use, kalonji seeds are highly regarded for their medicinal properties. They are believed to have numerous health benefits, including anti-inflammatory, antioxidant, and antimicrobial effects. The oil extracted from kalonji seeds is also used in skincare and haircare for its potential to promote healthy skin and hair growth. Kalonji seeds contain a variety of bioactive compounds, including thymoquinone, which is thought to contribute to their therapeutic properties.